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[Bug 1396961] [NEW] WARNING: wrong connector dpms state (Intel 82946GZ/GL, 8086:2972)

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Sergio Gelato <Sergio.Gelato@xxxxxxxxxxx>
Date: Thu, 27 Nov 2014 11:11:01 -0000
Reply-to: Bug 1396961 <1396961@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

First seen after upgrading from precise to trusty, reproducible with
both trusty (3.13.0-40) and backported utopic (3.16.0-25) kernels on the
following hardware/BIOS: LENOVO 963673G/LENOVO, BIOS 2QKT29AUS
07/29/2008 . The information that follows is mostly from booting 3.13.0
with drm.debug=4. (The apport attachment is from 3.16.0-25.33, however.)

Symptom: at variable intervals (minutes to hours), starting immediately after boot, the kernel logs a pair of WARNING messages from drivers/gpu/drm/i915/intel_display.c:4197 and drivers/gpu/drm/i915/intel_display.c:4199:
  wrong connector dpms state
  active connector not linked to encoder

The computer uses Intel integrated graphics:
00:02.0 VGA compatible controller [0300]: Intel Corporation 82946GZ/GL Integrated Graphics Controller [8086:2972] (rev 02) (prog-if 00 [VGA controller])
	Subsystem: Lenovo Device [17aa:300b]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 44
	Region 0: Memory at d0000000 (32-bit, non-prefetchable) [size=1M]
	Region 2: Memory at c0000000 (64-bit, prefetchable) [size=256M]
	Region 4: I/O ports at 18c0 [size=8]
	Expansion ROM at <unassigned> [disabled]
	Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
		Address: fee0300c  Data: 4122
	Capabilities: [d0] Power Management version 2
		Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
	Kernel driver in use: i915

The only attached display, via a DVI cable, is an Acer:
[    51.628] (II) intel(0): EDID vendor "ACR", prod id 2032

It looks to me like the kernel is of two minds as to whether connector
10 (VGA-2) is connected or not. Eventually it concludes, correctly, that
it is disconnected, but intel_sdvo_detect() thinks that it is connected
and ->get_hw_state() is fooled by this. The warnings reflect this
confusion. There is no obvious loss of function but the warnings are
noisy and I'd like to get rid of them.

Here is a subset of kernel messages that seem relevant:
[...]
Nov 19 15:27:09 s1mt02 kernel: [    0.584452] vesafb: mode is 1600x1200x32, line
length=6400, pages=0
Nov 19 15:27:09 s1mt02 kernel: [    0.584454] vesafb: scrolling: redraw
Nov 19 15:27:09 s1mt02 kernel: [    0.584456] vesafb: Truecolor: size=8:8:8:8, s
hift=24:16:8:0
Nov 19 15:27:09 s1mt02 kernel: [    0.585182] vesafb: framebuffer at 0xc0000000,
 mapped to 0xffffc90001180000, using 7552k, total 7552k
Nov 19 15:27:09 s1mt02 kernel: [    0.662752] Console: switching to colour frame buffer device 200x75
[...]
Nov 19 15:27:10 s1mt02 kernel: [   10.529074] [drm] Initialized drm 1.1.0 20060810
Nov 19 15:27:10 s1mt02 kernel: [   11.342875] [drm:intel_detect_pch], No PCH found.
Nov 19 15:27:10 s1mt02 kernel: [   11.342882] [drm] Memory usable by graphics device = 512M
Nov 19 15:27:10 s1mt02 kernel: [   11.342885] checking generic (c0000000 760000) vs hw (c0000000 10000000)
Nov 19 15:27:10 s1mt02 kernel: [   11.342887] fb: conflicting fb hw usage inteldrmfb vs VESA VGA - removing generic driver
Nov 19 15:27:10 s1mt02 kernel: [   11.342919] Console: switching to colour dummy device 80x25
Nov 19 15:27:10 s1mt02 kernel: [   11.392088] i915 0000:00:02.0: irq 43 for MSI/MSI-X
Nov 19 15:27:10 s1mt02 kernel: [   11.392106] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
Nov 19 15:27:10 s1mt02 kernel: [   11.392109] [drm] Driver supports precise vblank timestamp query.
Nov 19 15:27:10 s1mt02 kernel: [   11.392113] [drm:init_vbt_defaults], Set default to SSC at 100MHz
Nov 19 15:27:10 s1mt02 kernel: [   11.392119] [drm:intel_parse_bios], Using VBT from OpRegion: $VBT BROADWATER-G   d
Nov 19 15:27:10 s1mt02 kernel: [   11.392123] [drm:parse_general_features], BDB_GENERAL_FEATURES int_tv_support 1 int_crt_support 1 lvds_use_ssc 0 lvds_ssc_freq 96 display_clock_mode 0 fdi_rx_polarity_inverted 0
Nov 19 15:27:10 s1mt02 kernel: [   11.392129] [drm:parse_general_definitions], crt_ddc_bus_pin: 2
Nov 19 15:27:10 s1mt02 kernel: [   11.392135] [drm:parse_sdvo_panel_data], Found SDVO panel mode in BIOS VBT tables:
Nov 19 15:27:10 s1mt02 kernel: [   11.392139] [drm:drm_mode_debug_printmodeline], Modeline 0:"1600x1200" 0 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x8 0xa
Nov 19 15:27:10 s1mt02 kernel: [   11.392146] [drm:parse_sdvo_device_mapping], the SDVO device with slave addr 70 is found on SDVOB port
Nov 19 15:27:10 s1mt02 kernel: [   11.392150] [drm:parse_sdvo_device_mapping], SDVO device: dvo=1, addr=70, wiring=1, ddc_pin=29, i2c_pin=5
Nov 19 15:27:10 s1mt02 kernel: [   11.392154] [drm:parse_sdvo_device_mapping], the SDVO device with slave addr 70 is found on SDVOB port
Nov 19 15:27:10 s1mt02 kernel: [   11.392158] [drm:parse_sdvo_device_mapping], Maybe one SDVO port is shared by two SDVO device.
Nov 19 15:27:10 s1mt02 kernel: [   11.392162] [drm:parse_mipi], No MIPI BDB found
Nov 19 15:27:10 s1mt02 kernel: [   11.392177] [drm:intel_dsm_pci_probe], no _DSM method for intel device
Nov 19 15:27:10 s1mt02 kernel: [   11.392186] [drm:i915_stolen_to_physical], GTT within stolen memory at 0xbff80000-0xbfffffff
Nov 19 15:27:10 s1mt02 kernel: [   11.392189] [drm:i915_stolen_to_physical], Stolen memory adjusted to 0xbf800000-0xbff7ffff
Nov 19 15:27:10 s1mt02 kernel: [   11.392192] [drm:i915_gem_init_stolen], found 7864320 bytes of stolen memory at bf800000
Nov 19 15:27:10 s1mt02 kernel: [   11.392227] [drm:intel_modeset_init], 2 display pipes available.
Nov 19 15:27:10 s1mt02 kernel: [   11.392231] [drm:intel_modeset_init], pipe A sprite A init failed: -19
Nov 19 15:27:10 s1mt02 kernel: [   11.392236] [drm:intel_modeset_init], pipe B sprite B init failed: -19
Nov 19 15:27:10 s1mt02 kernel: [   11.392238] [drm:intel_shared_dpll_init], 0 shared PLLs initialized
Nov 19 15:27:10 s1mt02 kernel: [   11.392243] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
Nov 19 15:27:10 s1mt02 kernel: [   11.392593] [drm:intel_setup_outputs], probing SDVOB
Nov 19 15:27:10 s1mt02 kernel: [   11.392596] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus dpb. force bit now 1
Nov 19 15:27:11 s1mt02 kernel: [   11.451691] [drm:intel_sdvo_debug_write], SDVOB: W: 02                         (SDVO_CMD_GET_DEVICE_CAPS)
Nov 19 15:27:11 s1mt02 kernel: [   11.453280] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 03 94 02 01 01 02 03 01
Nov 19 15:27:11 s1mt02 kernel: [   11.461540] [drm:intel_sdvo_get_capabilities], SDVO capabilities:
Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   vendor_id: 3
Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   device_id: 148
Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   device_rev_id: 2
Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   sdvo_version_major: 1
Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   sdvo_version_minor: 1
Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   sdvo_inputs_mask: 2
Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   smooth_scaling: 0
Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   sharp_scaling: 0
Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   up_scaling: 0
Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   down_scaling: 0
Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   stall_support: 0
Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   output_flags: 259
Nov 19 15:27:11 s1mt02 kernel: [   11.461544] [drm:intel_sdvo_dvi_init], initialising DVI device 0
Nov 19 15:27:11 s1mt02 kernel: [   11.461547] [drm:intel_sdvo_debug_write], SDVOB: W: 0C                         (SDVO_CMD_GET_HOT_PLUG_SUPPORT)
Nov 19 15:27:11 s1mt02 kernel: [   11.463122] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
Nov 19 15:27:11 s1mt02 kernel: [   11.465877] [drm:intel_sdvo_debug_write], SDVOB: W: 0D 01 00                   (SDVO_CMD_SET_ACTIVE_HOT_PLUG)
Nov 19 15:27:11 s1mt02 kernel: [   11.468757] [drm:intel_sdvo_debug_write], SDVOB: W: 9D                         (SDVO_CMD_GET_SUPP_ENCODE)
Nov 19 15:27:11 s1mt02 kernel: [   11.470333] [drm:intel_sdvo_read_response], SDVOB: R: (Not supported)... failed
Nov 19 15:27:11 s1mt02 kernel: [   11.471316] [drm:intel_sdvo_dvi_init], initialising DVI device 1
Nov 19 15:27:11 s1mt02 kernel: [   11.471320] [drm:intel_sdvo_debug_write], SDVOB: W: 0C                         (SDVO_CMD_GET_HOT_PLUG_SUPPORT)
Nov 19 15:27:11 s1mt02 kernel: [   11.472905] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
Nov 19 15:27:11 s1mt02 kernel: [   11.475658] [drm:intel_sdvo_debug_write], SDVOB: W: 9D                         (SDVO_CMD_GET_SUPP_ENCODE)
Nov 19 15:27:11 s1mt02 kernel: [   11.477233] [drm:intel_sdvo_read_response], SDVOB: R: (Not supported)... failed
Nov 19 15:27:11 s1mt02 kernel: [   11.478183] [drm:intel_sdvo_analog_init], initialising analog device 0
Nov 19 15:27:11 s1mt02 kernel: [   11.478222] [drm:intel_sdvo_debug_write], SDVOB: W: 10 00                      (SDVO_CMD_SET_TARGET_INPUT)
Nov 19 15:27:11 s1mt02 kernel: [   11.480457] [drm:intel_sdvo_read_response], SDVOB: R: (Success)
Nov 19 15:27:11 s1mt02 kernel: [   11.481443] [drm:intel_sdvo_debug_write], SDVOB: W: 1D                         (SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE)
Nov 19 15:27:11 s1mt02 kernel: [   11.483019] [drm:intel_sdvo_read_response], SDVOB: R: (Success) C4 09 74 40
Nov 19 15:27:11 s1mt02 kernel: [   11.487607] [drm:intel_sdvo_init], SDVOB device VID/DID: 03:94.02, clock range 25MHz - 165MHz, input 1: N, input 2: Y, output 1: Y, output 2: Y
Nov 19 15:27:11 s1mt02 kernel: [   11.487611] [drm:intel_setup_outputs], probing SDVOC
Nov 19 15:27:11 s1mt02 kernel: [   11.487614] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus dpb. force bit now 2
Nov 19 15:27:11 s1mt02 kernel: [   11.487932] [drm:intel_sdvo_read_byte], i2c transfer returned -6
Nov 19 15:27:11 s1mt02 kernel: [   11.487935] [drm:intel_sdvo_init], No SDVO device found on SDVOC
Nov 19 15:27:11 s1mt02 kernel: [   11.487965] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus dpb. force bit now 1
Nov 19 15:27:11 s1mt02 kernel: [   11.487972] [drm:i915_gem_setup_global_gtt], clearing unused GTT space: [0, 1ffff000]
Nov 19 15:27:11 s1mt02 kernel: [   11.488557] [drm:i915_gem_object_create_stolen], creating stolen object: size=20000
Nov 19 15:27:11 s1mt02 kernel: [   11.488603] [drm:i915_gem_object_create_stolen], creating stolen object: size=1000
Nov 19 15:27:11 s1mt02 kernel: [   11.488609] [drm] initialized overlay support
Nov 19 15:27:11 s1mt02 kernel: [   11.488617] [drm:intel_modeset_readout_hw_state], [CRTC:3] hw state readout: enabled
Nov 19 15:27:11 s1mt02 kernel: [   11.488623] [drm:intel_modeset_readout_hw_state], [CRTC:4] hw state readout: enabled
Nov 19 15:27:11 s1mt02 kernel: [   11.488627] [drm:intel_modeset_readout_hw_state], [ENCODER:6:DAC-6] hw state readout: disabled, pipe A
Nov 19 15:27:11 s1mt02 kernel: [   11.488630] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
Nov 19 15:27:11 s1mt02 kernel: [   11.490207] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
Nov 19 15:27:11 s1mt02 kernel: [   11.492962] [drm:intel_sdvo_debug_write], SDVOB: W: 12                         (SDVO_CMD_GET_INPUT_TIMINGS_PART1)
Nov 19 15:27:11 s1mt02 kernel: [   11.494537] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 48 3F 40 30 62 B0 32 40
Nov 19 15:27:11 s1mt02 kernel: [   11.502792] [drm:intel_sdvo_debug_write], SDVOB: W: 13                         (SDVO_CMD_GET_INPUT_TIMINGS_PART2)
Nov 19 15:27:11 s1mt02 kernel: [   11.504367] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 40 C0 13 00 1E 00 00 00
Nov 19 15:27:11 s1mt02 kernel: [   11.512624] [drm:intel_sdvo_debug_write], SDVOB: W: 20                         (SDVO_CMD_GET_CLOCK_RATE_MULT)
Nov 19 15:27:11 s1mt02 kernel: [   11.514361] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01
Nov 19 15:27:11 s1mt02 kernel: [   11.516274] [drm:intel_modeset_readout_hw_state], [ENCODER:7:DAC-7] hw state readout: enabled, pipe A
Nov 19 15:27:11 s1mt02 kernel: [   11.516279] [drm:intel_modeset_readout_hw_state], [CONNECTOR:5:VGA-1] hw state readout: disabled
Nov 19 15:27:11 s1mt02 kernel: [   11.516286] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
Nov 19 15:27:11 s1mt02 kernel: [   11.517901] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
Nov 19 15:27:11 s1mt02 kernel: [   11.520843] [drm:intel_modeset_readout_hw_state], [CONNECTOR:8:DVI-D-1] hw state readout: enabled
Nov 19 15:27:11 s1mt02 kernel: [   11.520854] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
Nov 19 15:27:11 s1mt02 kernel: [   11.522473] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
Nov 19 15:27:11 s1mt02 kernel: [   11.525303] [drm:intel_modeset_readout_hw_state], [CONNECTOR:9:DVI-D-2] hw state readout: disabled
Nov 19 15:27:11 s1mt02 kernel: [   11.525306] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
Nov 19 15:27:11 s1mt02 kernel: [   11.526907] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
Nov 19 15:27:11 s1mt02 kernel: [   11.529844] [drm:intel_modeset_readout_hw_state], [CONNECTOR:10:VGA-2] hw state readout: disabled
Nov 19 15:27:11 s1mt02 kernel: [   11.529851] [drm:intel_dump_pipe_config], [CRTC:3][setup_hw_state] config for pipe A
Nov 19 15:27:11 s1mt02 kernel: [   11.529853] [drm:intel_dump_pipe_config], cpu_transcoder: A
Nov 19 15:27:11 s1mt02 kernel: [   11.529855] [drm:intel_dump_pipe_config], pipe bpp: 0, dithering: 0
Nov 19 15:27:11 s1mt02 kernel: [   11.529857] [drm:intel_dump_pipe_config], fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
Nov 19 15:27:11 s1mt02 kernel: [   11.529860] [drm:intel_dump_pipe_config], dp: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
Nov 19 15:27:11 s1mt02 kernel: [   11.529862] [drm:intel_dump_pipe_config], requested mode:
Nov 19 15:27:11 s1mt02 kernel: [   11.529864] [drm:drm_mode_debug_printmodeline], Modeline 0:"" 0 0 1600 0 0 0 1200 0 0 0 0x0 0x0
Nov 19 15:27:11 s1mt02 kernel: [   11.529868] [drm:intel_dump_pipe_config], adjusted mode:
Nov 19 15:27:11 s1mt02 kernel: [   11.529870] [drm:drm_mode_debug_printmodeline], Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x5
Nov 19 15:27:11 s1mt02 kernel: [   11.529873] [drm:intel_dump_crtc_timings], crtc timings: 161600 1600 1664 1856 2160 1200 1201 1204 1250, type: 0x0 flags: 0x5
Nov 19 15:27:11 s1mt02 kernel: [   11.529876] [drm:intel_dump_pipe_config], port clock: 161600
Nov 19 15:27:11 s1mt02 kernel: [   11.529878] [drm:intel_dump_pipe_config], pipe src size: 1600x1200
Nov 19 15:27:11 s1mt02 kernel: [   11.529880] [drm:intel_dump_pipe_config], gmch pfit: control: 0x80000000, ratios: 0x10001000, lvds border: 0x00000000
Nov 19 15:27:11 s1mt02 kernel: [   11.529883] [drm:intel_dump_pipe_config], pch pfit: pos: 0x00000000, size: 0x00000000, disabled
Nov 19 15:27:11 s1mt02 kernel: [   11.529885] [drm:intel_dump_pipe_config], ips: 0
Nov 19 15:27:11 s1mt02 kernel: [   11.529887] [drm:intel_dump_pipe_config], double wide: 0
Nov 19 15:27:11 s1mt02 kernel: [   11.536038] [drm:i965_update_wm], Setting FIFO watermarks - A: 8, B: 8, C: 8, SR 1
Nov 19 15:27:11 s1mt02 kernel: [   11.536046] [drm:intel_sanitize_crtc], [CRTC:4] hw state adjusted, was enabled, now disabled
Nov 19 15:27:11 s1mt02 kernel: [   11.536049] [drm:intel_dump_pipe_config], [CRTC:4][setup_hw_state] config for pipe B
Nov 19 15:27:11 s1mt02 kernel: [   11.536052] [drm:intel_dump_pipe_config], cpu_transcoder: B
Nov 19 15:27:11 s1mt02 kernel: [   11.536054] [drm:intel_dump_pipe_config], pipe bpp: 0, dithering: 0
Nov 19 15:27:11 s1mt02 kernel: [   11.536056] [drm:intel_dump_pipe_config], fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
Nov 19 15:27:11 s1mt02 kernel: [   11.536059] [drm:intel_dump_pipe_config], dp: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
Nov 19 15:27:11 s1mt02 kernel: [   11.536061] [drm:intel_dump_pipe_config], requested mode:
Nov 19 15:27:11 s1mt02 kernel: [   11.536064] [drm:drm_mode_debug_printmodeline], Modeline 0:"" 0 0 640 0 0 0 480 0 0 0 0x0 0x0
Nov 19 15:27:11 s1mt02 kernel: [   11.536067] [drm:intel_dump_pipe_config], adjusted mode:
Nov 19 15:27:11 s1mt02 kernel: [   11.536069] [drm:drm_mode_debug_printmodeline], Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
Nov 19 15:27:11 s1mt02 kernel: [   11.536074] [drm:intel_dump_crtc_timings], crtc timings: 0 640 656 752 800 480 490 492 525, type: 0x0 flags: 0x0
Nov 19 15:27:11 s1mt02 kernel: [   11.536078] [drm:intel_dump_pipe_config], port clock: 25200
Nov 19 15:27:11 s1mt02 kernel: [   11.536080] [drm:intel_dump_pipe_config], pipe src size: 640x480
Nov 19 15:27:11 s1mt02 kernel: [   11.536082] [drm:intel_dump_pipe_config], gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
Nov 19 15:27:11 s1mt02 kernel: [   11.536084] [drm:intel_dump_pipe_config], pch pfit: pos: 0x00000000, size: 0x00000000, disabled
Nov 19 15:27:11 s1mt02 kernel: [   11.536086] [drm:intel_dump_pipe_config], ips: 0
Nov 19 15:27:11 s1mt02 kernel: [   11.536088] [drm:intel_dump_pipe_config], double wide: 0
Nov 19 15:27:11 s1mt02 kernel: [   11.536130] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
Nov 19 15:27:11 s1mt02 kernel: [   11.537784] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
Nov 19 15:27:11 s1mt02 kernel: [   11.540774] [drm:intel_connector_check_state], [CONNECTOR:8:DVI-D-1]
Nov 19 15:27:11 s1mt02 kernel: [   11.541027] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
Nov 19 15:27:11 s1mt02 kernel: [   11.542660] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
Nov 19 15:27:11 s1mt02 kernel: [   11.545869] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
Nov 19 15:27:11 s1mt02 kernel: [   11.547478] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
Nov 19 15:27:11 s1mt02 kernel: [   11.550679] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
Nov 19 15:27:11 s1mt02 kernel: [   11.552316] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
Nov 19 15:27:11 s1mt02 kernel: [   11.555447] [drm:check_encoder_state], [ENCODER:6:DAC-6]
Nov 19 15:27:11 s1mt02 kernel: [   11.555451] [drm:check_encoder_state], [ENCODER:7:DAC-7]
Nov 19 15:27:11 s1mt02 kernel: [   11.555460] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
Nov 19 15:27:11 s1mt02 kernel: [   11.557106] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
Nov 19 15:27:11 s1mt02 kernel: [   11.560457] [drm:check_crtc_state], [CRTC:3]
Nov 19 15:27:11 s1mt02 kernel: [   11.560673] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
Nov 19 15:27:11 s1mt02 kernel: [   11.562295] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
Nov 19 15:27:11 s1mt02 kernel: [   11.565394] [drm:intel_sdvo_debug_write], SDVOB: W: 12                         (SDVO_CMD_GET_INPUT_TIMINGS_PART1)
Nov 19 15:27:11 s1mt02 kernel: [   11.567007] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 48 3F 40 30 62 B0 32 40
Nov 19 15:27:11 s1mt02 kernel: [   11.575805] [drm:intel_sdvo_debug_write], SDVOB: W: 13                         (SDVO_CMD_GET_INPUT_TIMINGS_PART2)
Nov 19 15:27:11 s1mt02 kernel: [   11.577405] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 40 C0 13 00 1E 00 00 00
Nov 19 15:27:11 s1mt02 kernel: [   11.585669] [drm:intel_sdvo_debug_write], SDVOB: W: 20                         (SDVO_CMD_GET_CLOCK_RATE_MULT)
Nov 19 15:27:11 s1mt02 kernel: [   11.587244] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01
Nov 19 15:27:11 s1mt02 kernel: [   11.589088] [drm:check_crtc_state], [CRTC:4]
Nov 19 15:27:11 s1mt02 kernel: [   11.589102] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:VGA-1]
Nov 19 15:27:11 s1mt02 kernel: [   11.589105] [drm:intel_crt_detect], [CONNECTOR:5:VGA-1] force=1
Nov 19 15:27:11 s1mt02 kernel: [   11.596024] [drm:intel_crt_detect], CRT not detected via hotplug
Nov 19 15:27:11 s1mt02 kernel: [   11.600058] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
Nov 19 15:27:11 s1mt02 kernel: [   11.600067] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
Nov 19 15:27:11 s1mt02 kernel: [   11.600071] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
Nov 19 15:27:11 s1mt02 kernel: [   11.600074] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
Nov 19 15:27:11 s1mt02 kernel: [   11.600349] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
Nov 19 15:27:11 s1mt02 kernel: [   11.600351] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
Nov 19 15:27:11 s1mt02 kernel: [   11.600353] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
Nov 19 15:27:11 s1mt02 kernel: [   11.600356] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:VGA-1] disconnected
Nov 19 15:27:11 s1mt02 kernel: [   11.600359] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:8:DVI-D-1]
Nov 19 15:27:11 s1mt02 kernel: [   11.600362] [drm:intel_sdvo_detect], [CONNECTOR:8:DVI-D-1]
Nov 19 15:27:11 s1mt02 kernel: [   11.600365] [drm:intel_sdvo_debug_write], SDVOB: W: 0B                         (SDVO_CMD_GET_ATTACHED_DISPLAYS)
Nov 19 15:27:11 s1mt02 kernel: [   11.601941] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 03 00
Nov 19 15:27:11 s1mt02 kernel: [   11.604700] [drm:intel_sdvo_detect], SDVO response 3 0 [1]
Nov 19 15:27:11 s1mt02 kernel: [   11.604707] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02                      (SDVO_CMD_SET_CONTROL_BUS_SWITCH)
Nov 19 15:27:11 s1mt02 kernel: [   11.607854] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02                      (SDVO_CMD_SET_CONTROL_BUS_SWITCH)
Nov 19 15:27:11 s1mt02 kernel: [   11.637623] [drm:intel_sdvo_get_ddc_modes], [CONNECTOR:8:DVI-D-1]
Nov 19 15:27:11 s1mt02 kernel: [   11.637638] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02                      (SDVO_CMD_SET_CONTROL_BUS_SWITCH)
Nov 19 15:27:11 s1mt02 kernel: [   11.640793] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02                      (SDVO_CMD_SET_CONTROL_BUS_SWITCH)
Nov 19 15:27:11 s1mt02 kernel: [   11.670282] [drm:intel_sdvo_connector_matches_edid], connector_is_digital? 1, monitor_is_digital? 1
Nov 19 15:27:11 s1mt02 kernel: [   11.670318] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:8:DVI-D-1] probed modes :
Nov 19 15:27:11 s1mt02 kernel: [   11.670322] [drm:drm_mode_debug_printmodeline], Modeline 12:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x48 0x5
Nov 19 15:27:11 s1mt02 kernel: [   11.670325] [drm:drm_mode_debug_printmodeline], Modeline 15:"1400x1050" 60 101000 1400 1448 1480 1560 1050 1053 1057 1080 0x40 0x9
Nov 19 15:27:11 s1mt02 kernel: [   11.670329] [drm:drm_mode_debug_printmodeline], Modeline 24:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
Nov 19 15:27:11 s1mt02 kernel: [   11.670332] [drm:drm_mode_debug_printmodeline], Modeline 14:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
Nov 19 15:27:11 s1mt02 kernel: [   11.670335] [drm:drm_mode_debug_printmodeline], Modeline 13:"1280x960" 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
Nov 19 15:27:11 s1mt02 kernel: [   11.670339] [drm:drm_mode_debug_printmodeline], Modeline 16:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
Nov 19 15:27:11 s1mt02 kernel: [   11.670342] [drm:drm_mode_debug_printmodeline], Modeline 25:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
Nov 19 15:27:11 s1mt02 kernel: [   11.670345] [drm:drm_mode_debug_printmodeline], Modeline 26:"1024x768" 70 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
Nov 19 15:27:11 s1mt02 kernel: [   11.670349] [drm:drm_mode_debug_printmodeline], Modeline 27:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
Nov 19 15:27:11 s1mt02 kernel: [   11.670352] [drm:drm_mode_debug_printmodeline], Modeline 28:"832x624" 75 57284 832 864 928 1152 624 625 628 667 0x40 0xa
Nov 19 15:27:11 s1mt02 kernel: [   11.670355] [drm:drm_mode_debug_printmodeline], Modeline 29:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
Nov 19 15:27:11 s1mt02 kernel: [   11.670358] [drm:drm_mode_debug_printmodeline], Modeline 30:"800x600" 72 50000 800 856 976 1040 600 637 643 666 0x40 0x5
Nov 19 15:27:11 s1mt02 kernel: [   11.670361] [drm:drm_mode_debug_printmodeline], Modeline 17:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
Nov 19 15:27:11 s1mt02 kernel: [   11.670364] [drm:drm_mode_debug_printmodeline], Modeline 18:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
Nov 19 15:27:11 s1mt02 kernel: [   11.670368] [drm:drm_mode_debug_printmodeline], Modeline 19:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
Nov 19 15:27:11 s1mt02 kernel: [   11.670371] [drm:drm_mode_debug_printmodeline], Modeline 20:"640x480" 73 31500 640 664 704 832 480 489 491 520 0x40 0xa
Nov 19 15:27:11 s1mt02 kernel: [   11.670374] [drm:drm_mode_debug_printmodeline], Modeline 21:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
Nov 19 15:27:11 s1mt02 kernel: [   11.670377] [drm:drm_mode_debug_printmodeline], Modeline 22:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
Nov 19 15:27:11 s1mt02 kernel: [   11.670381] [drm:drm_mode_debug_printmodeline], Modeline 23:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
Nov 19 15:27:11 s1mt02 kernel: [   11.670385] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:9:DVI-D-2]
Nov 19 15:27:11 s1mt02 kernel: [   11.670388] [drm:intel_sdvo_detect], [CONNECTOR:9:DVI-D-2]
Nov 19 15:27:11 s1mt02 kernel: [   11.670390] [drm:intel_sdvo_debug_write], SDVOB: W: 0B                         (SDVO_CMD_GET_ATTACHED_DISPLAYS)
Nov 19 15:27:11 s1mt02 kernel: [   11.671966] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 03 00
Nov 19 15:27:11 s1mt02 kernel: [   11.674743] [drm:intel_sdvo_detect], SDVO response 3 0 [100]
Nov 19 15:27:11 s1mt02 kernel: [   11.674746] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:9:DVI-D-2] disconnected
Nov 19 15:27:11 s1mt02 kernel: [   11.674748] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:10:VGA-2]
Nov 19 15:27:11 s1mt02 kernel: [   11.674751] [drm:intel_sdvo_detect], [CONNECTOR:10:VGA-2]
Nov 19 15:27:11 s1mt02 kernel: [   11.674753] [drm:intel_sdvo_debug_write], SDVOB: W: 0B                         (SDVO_CMD_GET_ATTACHED_DISPLAYS)
Nov 19 15:27:11 s1mt02 kernel: [   11.676343] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 03 00
Nov 19 15:27:11 s1mt02 kernel: [   11.679096] [drm:intel_sdvo_detect], SDVO response 3 0 [2]
Nov 19 15:27:11 s1mt02 kernel: [   11.679098] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02                      (SDVO_CMD_SET_CONTROL_BUS_SWITCH)
Nov 19 15:27:11 s1mt02 kernel: [   11.682243] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02                      (SDVO_CMD_SET_CONTROL_BUS_SWITCH)
Nov 19 15:27:11 s1mt02 kernel: [   11.711761] [drm:intel_sdvo_connector_matches_edid], connector_is_digital? 0, monitor_is_digital? 1
Nov 19 15:27:11 s1mt02 kernel: [   11.711766] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:10:VGA-2] disconnected
Nov 19 15:27:11 s1mt02 kernel: [   11.711769] [drm:drm_setup_crtcs],
Nov 19 15:27:11 s1mt02 kernel: [   11.711771] [drm:drm_enable_connectors], connector 5 enabled? no
Nov 19 15:27:11 s1mt02 kernel: [   11.711773] [drm:drm_enable_connectors], connector 8 enabled? yes
Nov 19 15:27:11 s1mt02 kernel: [   11.711775] [drm:drm_enable_connectors], connector 9 enabled? no
Nov 19 15:27:11 s1mt02 kernel: [   11.711777] [drm:drm_enable_connectors], connector 10 enabled? no
Nov 19 15:27:11 s1mt02 kernel: [   11.711780] [drm:drm_target_preferred], looking for cmdline mode on connector 8
Nov 19 15:27:11 s1mt02 kernel: [   11.711782] [drm:drm_target_preferred], looking for preferred mode on connector 8
Nov 19 15:27:11 s1mt02 kernel: [   11.711784] [drm:drm_target_preferred], found mode 1600x1200
Nov 19 15:27:11 s1mt02 kernel: [   11.711786] [drm:drm_setup_crtcs], picking CRTCs for 8192x8192 config
Nov 19 15:27:11 s1mt02 kernel: [   11.711789] [drm:drm_setup_crtcs], desired mode 1600x1200 set on crtc 3
Nov 19 15:27:11 s1mt02 kernel: [   11.711794] [drm:i915_gem_object_create_stolen], creating stolen object: size=753000
Nov 19 15:27:11 s1mt02 kernel: [   11.714873] [drm:intelfb_create], allocated 1600x1200 fb: 0x00040000, bo ffff8800361f0300
Nov 19 15:27:11 s1mt02 kernel: [   11.714968] fbcon: inteldrmfb (fb0) is primary device
Nov 19 15:27:11 s1mt02 kernel: [   11.715030] [drm:intel_crtc_set_config], [CRTC:3] [FB:32] #connectors=1 (x y) (0 0)
Nov 19 15:27:11 s1mt02 kernel: [   11.715032] [drm:intel_set_config_compute_mode_changes], inactive crtc, full mode set
Nov 19 15:27:11 s1mt02 kernel: [   11.715034] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
Nov 19 15:27:11 s1mt02 kernel: [   11.715037] [drm:drm_mode_debug_printmodeline], Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
Nov 19 15:27:11 s1mt02 kernel: [   11.715039] [drm:drm_mode_debug_printmodeline], Modeline 31:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x48 0x5
Nov 19 15:27:11 s1mt02 kernel: [   11.715041] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=1, fb_changed=0
Nov 19 15:27:11 s1mt02 kernel: [   11.715043] [drm:intel_modeset_stage_output_state], [CONNECTOR:8:DVI-D-1] to [CRTC:3]
Nov 19 15:27:11 s1mt02 kernel: [   11.715046] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
Nov 19 15:27:11 s1mt02 kernel: [   11.715050] [drm:connected_sink_compute_bpp], [CONNECTOR:8:DVI-D-1] checking for sink bpp constrains
Nov 19 15:27:11 s1mt02 kernel: [   11.715052] [drm:intel_sdvo_compute_config], forcing bpc to 8 for SDVO
Nov 19 15:27:11 s1mt02 kernel: [   11.715054] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
Nov 19 15:27:11 s1mt02 kernel: [   11.715056] [drm:intel_dump_pipe_config], [CRTC:3][modeset] config for pipe A
Nov 19 15:27:11 s1mt02 kernel: [   11.715057] [drm:intel_dump_pipe_config], cpu_transcoder: A
Nov 19 15:27:11 s1mt02 kernel: [   11.715059] [drm:intel_dump_pipe_config], pipe bpp: 24, dithering: 0
Nov 19 15:27:11 s1mt02 kernel: [   11.715061] [drm:intel_dump_pipe_config], fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
Nov 19 15:27:11 s1mt02 kernel: [   11.715062] [drm:intel_dump_pipe_config], dp: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
Nov 19 15:27:11 s1mt02 kernel: [   11.715064] [drm:intel_dump_pipe_config], requested mode:
Nov 19 15:27:11 s1mt02 kernel: [   11.715066] [drm:drm_mode_debug_printmodeline], Modeline 0:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x48 0x5
Nov 19 15:27:11 s1mt02 kernel: [   11.715067] [drm:intel_dump_pipe_config], adjusted mode:
Nov 19 15:27:11 s1mt02 kernel: [   11.715070] [drm:drm_mode_debug_printmodeline], Modeline 0:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x48 0x5
Nov 19 15:27:11 s1mt02 kernel: [   11.715072] [drm:intel_dump_crtc_timings], crtc timings: 162000 1600 1664 1856 2160 1200 1201 1204 1250, type: 0x48 flags: 0x5
Nov 19 15:27:11 s1mt02 kernel: [   11.715073] [drm:intel_dump_pipe_config], port clock: 162000
Nov 19 15:27:11 s1mt02 kernel: [   11.715075] [drm:intel_dump_pipe_config], pipe src size: 1600x1200
Nov 19 15:27:11 s1mt02 kernel: [   11.715076] [drm:intel_dump_pipe_config], gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
Nov 19 15:27:11 s1mt02 kernel: [   11.715078] [drm:intel_dump_pipe_config], pch pfit: pos: 0x00000000, size: 0x00000000, disabled
Nov 19 15:27:11 s1mt02 kernel: [   11.715079] [drm:intel_dump_pipe_config], ips: 0
Nov 19 15:27:11 s1mt02 kernel: [   11.715080] [drm:intel_dump_pipe_config], double wide: 0
Nov 19 15:27:11 s1mt02 kernel: [   11.715086] [drm:intel_sdvo_debug_write], SDVOB: W: 05 00 00                   (SDVO_CMD_SET_ACTIVE_OUTPUTS)
Nov 19 15:27:11 s1mt02 kernel: [   11.718904] [drm:intel_sdvo_read_response], SDVOB: R: (Success)
Nov 19 15:27:11 s1mt02 kernel: [   11.748034] [drm:i965_update_wm], Setting FIFO watermarks - A: 8, B: 8, C: 8, SR 1
Nov 19 15:27:11 s1mt02 kernel: [   11.748226] [drm:i9xx_update_plane], Writing base 00040000 00000000 0 0 6400
Nov 19 15:27:11 s1mt02 kernel: [   11.748231] [drm:intel_crtc_mode_set], [ENCODER:7:DAC-7] set [MODE:0:1600x1200]
Nov 19 15:27:11 s1mt02 kernel: [   11.748236] [drm:intel_sdvo_debug_write], SDVOB: W: 07 03 00 00 00             (SDVO_CMD_SET_IN_OUT_MAP)
Nov 19 15:27:11 s1mt02 kernel: [   11.753345] [drm:intel_sdvo_read_response], SDVOB: R: (Success)
Nov 19 15:27:11 s1mt02 kernel: [   11.753349] [drm:intel_sdvo_debug_write], SDVOB: W: 11 03 00                   (SDVO_CMD_SET_TARGET_OUTPUT)
Nov 19 15:27:11 s1mt02 kernel: [   11.757151] [drm:intel_sdvo_read_response], SDVOB: R: (Success)
Nov 19 15:27:11 s1mt02 kernel: [   11.757156] [drm:intel_sdvo_debug_write], SDVOB: W: 16 48 3F 40 30 62 B0 32 40 (SDVO_CMD_SET_OUTPUT_TIMINGS_PART1)
Nov 19 15:27:11 s1mt02 kernel: [   11.764889] [drm:intel_sdvo_read_response], SDVOB: R: (Invalid arg)... failed
Nov 19 15:27:11 s1mt02 kernel: [   11.764889] [drm] Setting output timings on SDVOB failed
Nov 19 15:27:11 s1mt02 kernel: [   11.764894] [drm:intel_sdvo_debug_write], SDVOB: W: 10 00                      (SDVO_CMD_SET_TARGET_INPUT)
Nov 19 15:27:11 s1mt02 kernel: [   11.768040] [drm:intel_sdvo_read_response], SDVOB: R: (Success)
Nov 19 15:27:11 s1mt02 kernel: [   11.768044] [drm:intel_sdvo_debug_write], SDVOB: W: 9F 00                      (SDVO_CMD_SET_ENCODE)
Nov 19 15:27:11 s1mt02 kernel: [   11.771183] [drm:intel_sdvo_read_response], SDVOB: R: (Not supported)... failed
Nov 19 15:27:11 s1mt02 kernel: [   11.771187] [drm:intel_sdvo_debug_write], SDVOB: W: 14 48 3F 40 30 62 B0 32 40 (SDVO_CMD_SET_INPUT_TIMINGS_PART1)
Nov 19 15:27:11 s1mt02 kernel: [   11.778895] [drm:intel_sdvo_read_response], SDVOB: R: (Success)
Nov 19 15:27:11 s1mt02 kernel: [   11.778899] [drm:intel_sdvo_debug_write], SDVOB: W: 15 40 C0 13 00 1E 00 00 00 (SDVO_CMD_SET_INPUT_TIMINGS_PART2)
Nov 19 15:27:11 s1mt02 kernel: [   11.786611] [drm:intel_sdvo_read_response], SDVOB: R: (Success)
Nov 19 15:27:11 s1mt02 kernel: [   11.786615] [drm:intel_sdvo_debug_write], SDVOB: W: 21 01                      (SDVO_CMD_SET_CLOCK_RATE_MULT)
Nov 19 15:27:11 s1mt02 kernel: [   11.789756] [drm:intel_sdvo_read_response], SDVOB: R: (Success)
Nov 19 15:27:11 s1mt02 kernel: [   11.790425] [drm:i965_update_wm], self-refresh entries: 100, wm: 412
Nov 19 15:27:11 s1mt02 kernel: [   11.790426] [drm:i965_update_wm], self-refresh watermark: display plane 412 cursor 32
Nov 19 15:27:11 s1mt02 kernel: [   11.790427] [drm:i965_update_wm], Setting FIFO watermarks - A: 8, B: 8, C: 8, SR 412
Nov 19 15:27:11 s1mt02 kernel: [   11.854283] [drm:intel_sdvo_debug_write], SDVOB: W: 03                         (SDVO_CMD_GET_TRAINED_INPUTS)
Nov 19 15:27:11 s1mt02 kernel: [   11.872065] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01
Nov 19 15:27:11 s1mt02 kernel: [   11.872775] [drm:intel_sdvo_debug_write], SDVOB: W: 05 03 00                   (SDVO_CMD_SET_ACTIVE_OUTPUTS)
Nov 19 15:27:11 s1mt02 kernel: [   11.879385] [drm:intel_sdvo_read_response], SDVOB: R: (Success)
Nov 19 15:27:11 s1mt02 kernel: [   11.880382] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
Nov 19 15:27:11 s1mt02 kernel: [   11.886257] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 03 00
Nov 19 15:27:11 s1mt02 kernel: [   11.886262] [drm:intel_connector_check_state], [CONNECTOR:8:DVI-D-1]
Nov 19 15:27:11 s1mt02 kernel: [   11.886672] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
Nov 19 15:27:11 s1mt02 kernel: [   11.892978] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 03 00
Nov 19 15:27:11 s1mt02 kernel: [   11.892986] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
Nov 19 15:27:11 s1mt02 kernel: [   11.897581] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 03 00
Nov 19 15:27:11 s1mt02 kernel: [   11.897586] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
Nov 19 15:27:11 s1mt02 kernel: [   11.902056] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 03 00
Nov 19 15:27:11 s1mt02 kernel: [   11.902060] [drm:intel_connector_check_state], [CONNECTOR:10:VGA-2]
Nov 19 15:27:11 s1mt02 kernel: [   11.902061] ------------[ cut here ]------------
Nov 19 15:27:11 s1mt02 kernel: [   11.902108] WARNING: CPU: 0 PID: 553 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:4197 intel_modeset_check_state+0x76c/0x780 [i915]()
Nov 19 15:27:11 s1mt02 kernel: [   11.902108] wrong connector dpms state
Nov 19 15:27:11 s1mt02 kernel: [   11.902139] Modules linked in: snd_hda_intel(+) i915(+) snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event video snd_rawmidi drm_kms_helper snd_seq drm snd_seq_device snd_timer i2c_algo_bit snd soundcore lpc_ich coretemp serio_raw mac_hid rpcsec_gss_krb5 nfsd auth_rpcgss nfs_acl nfs lockd sunrpc binfmt_misc fscache parport_pc ppdev lp parport hid_generic usbhid hid raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid1 tg3 raid0 e1000 multipath linear floppy ptp pps_core
Nov 19 15:27:11 s1mt02 kernel: [   11.902142] CPU: 0 PID: 553 Comm: systemd-udevd Not tainted 3.13.0-39-generic #66-Ubuntu
Nov 19 15:27:11 s1mt02 kernel: [   11.902143] Hardware name: LENOVO 963673G/LENOVO, BIOS 2QKT29AUS 07/29/2008
Nov 19 15:27:11 s1mt02 kernel: [   11.902146]  0000000000000009 ffff8800b7757440 ffffffff8171ece7 ffff8800b7757488
Nov 19 15:27:11 s1mt02 kernel: [   11.902148]  ffff8800b7757478 ffffffff8106773d ffff8800361c6000 ffff8800361c6800
Nov 19 15:27:11 s1mt02 kernel: [   11.902150]  ffff8800361c1800 ffff8800361c1af8 ffff8800b9665ca0 ffff8800b77574d8
Nov 19 15:27:11 s1mt02 kernel: [   11.902150] Call Trace:
Nov 19 15:27:11 s1mt02 kernel: [   11.902156]  [<ffffffff8171ece7>] dump_stack+0x45/0x56
Nov 19 15:27:11 s1mt02 kernel: [   11.902160]  [<ffffffff8106773d>] warn_slowpath_common+0x7d/0xa0
Nov 19 15:27:11 s1mt02 kernel: [   11.902161]  [<ffffffff810677ac>] warn_slowpath_fmt+0x4c/0x50
Nov 19 15:27:11 s1mt02 kernel: [   11.902184]  [<ffffffffa03e960c>] intel_modeset_check_state+0x76c/0x780 [i915]
Nov 19 15:27:11 s1mt02 kernel: [   11.902206]  [<ffffffffa03e96b5>] intel_set_mode+0x25/0x30 [i915]
Nov 19 15:27:11 s1mt02 kernel: [   11.902227]  [<ffffffffa03e9f5b>] intel_crtc_set_config+0x7ab/0x9a0 [i915]
Nov 19 15:27:11 s1mt02 kernel: [   11.902248]  [<ffffffffa02e4eed>] drm_mode_set_config_internal+0x5d/0xe0 [drm]
Nov 19 15:27:11 s1mt02 kernel: [   11.902254]  [<ffffffffa026a561>] drm_fb_helper_set_par+0x71/0xf0 [drm_kms_helper]
Nov 19 15:27:11 s1mt02 kernel: [   11.902257]  [<ffffffff813d91b4>] fbcon_init+0x4f4/0x570
Nov 19 15:27:11 s1mt02 kernel: [   11.902260]  [<ffffffff8145e088>] visual_init+0xb8/0x120
Nov 19 15:27:11 s1mt02 kernel: [   11.902263]  [<ffffffff814609c3>] do_bind_con_driver+0x163/0x330
Nov 19 15:27:11 s1mt02 kernel: [   11.902265]  [<ffffffff81461174>] do_take_over_console+0x114/0x1c0
Nov 19 15:27:11 s1mt02 kernel: [   11.902266]  [<ffffffff813d4a73>] do_fbcon_takeover+0x63/0xd0
Nov 19 15:27:11 s1mt02 kernel: [   11.902268]  [<ffffffff813d9d1d>] fbcon_event_notify+0x60d/0x720
Nov 19 15:27:11 s1mt02 kernel: [   11.902271]  [<ffffffff8172b2fc>] notifier_call_chain+0x4c/0x70
Nov 19 15:27:11 s1mt02 kernel: [   11.902274]  [<ffffffff8108fe5d>] __blocking_notifier_call_chain+0x4d/0x70
Nov 19 15:27:11 s1mt02 kernel: [   11.902276]  [<ffffffff8108fe96>] blocking_notifier_call_chain+0x16/0x20
Nov 19 15:27:11 s1mt02 kernel: [   11.902279]  [<ffffffff813c9f6b>] fb_notifier_call_chain+0x1b/0x20
Nov 19 15:27:11 s1mt02 kernel: [   11.902281]  [<ffffffff813cbf5b>] register_framebuffer+0x1db/0x320
Nov 19 15:27:11 s1mt02 kernel: [   11.902285]  [<ffffffffa026a1ff>] drm_fb_helper_initial_config+0x32f/0x510 [drm_kms_helper]
Nov 19 15:27:11 s1mt02 kernel: [   11.902289]  [<ffffffff811a1f29>] ? __kmalloc+0x1e9/0x230
Nov 19 15:27:11 s1mt02 kernel: [   11.902293]  [<ffffffffa02696be>] ? drm_fb_helper_init+0xfe/0x200 [drm_kms_helper]
Nov 19 15:27:11 s1mt02 kernel: [   11.902319]  [<ffffffffa0423971>] intel_fbdev_initial_config+0x21/0x30 [i915]
Nov 19 15:27:11 s1mt02 kernel: [   11.902337]  [<ffffffffa03ad38c>] i915_driver_load+0xe3c/0xe70 [i915]
Nov 19 15:27:11 s1mt02 kernel: [   11.902348]  [<ffffffffa02ded12>] drm_dev_register+0xa2/0x1e0 [drm]
Nov 19 15:27:11 s1mt02 kernel: [   11.902358]  [<ffffffffa02e0c12>] drm_get_pci_dev+0x92/0x140 [drm]
Nov 19 15:27:11 s1mt02 kernel: [   11.902376]  [<ffffffffa03a95fc>] i915_pci_probe+0x3c/0x90 [i915]
Nov 19 15:27:11 s1mt02 kernel: [   11.902379]  [<ffffffff813a8a65>] local_pci_probe+0x45/0xa0
Nov 19 15:27:11 s1mt02 kernel: [   11.902381]  [<ffffffff813a9d05>] ? pci_match_device+0xc5/0xd0
Nov 19 15:27:11 s1mt02 kernel: [   11.902383]  [<ffffffff813a9e29>] pci_device_probe+0xd9/0x130
Nov 19 15:27:11 s1mt02 kernel: [   11.902386]  [<ffffffff81495fad>] driver_probe_device+0x12d/0x3e0
Nov 19 15:27:11 s1mt02 kernel: [   11.902388]  [<ffffffff81496333>] __driver_attach+0x93/0xa0
Nov 19 15:27:11 s1mt02 kernel: [   11.902389]  [<ffffffff814962a0>] ? __device_attach+0x40/0x40
Nov 19 15:27:11 s1mt02 kernel: [   11.902391]  [<ffffffff81493f13>] bus_for_each_dev+0x63/0xa0
Nov 19 15:27:11 s1mt02 kernel: [   11.902393]  [<ffffffff8149595e>] driver_attach+0x1e/0x20
Nov 19 15:27:11 s1mt02 kernel: [   11.902395]  [<ffffffff81495540>] bus_add_driver+0x180/0x250
Nov 19 15:27:11 s1mt02 kernel: [   11.902397]  [<ffffffffa046a000>] ? 0xffffffffa0469fff
Nov 19 15:27:11 s1mt02 kernel: [   11.902399]  [<ffffffff814969b4>] driver_register+0x64/0xf0
Nov 19 15:27:11 s1mt02 kernel: [   11.902401]  [<ffffffffa046a000>] ? 0xffffffffa0469fff
Nov 19 15:27:11 s1mt02 kernel: [   11.902403]  [<ffffffff813a83fc>] __pci_register_driver+0x4c/0x50
Nov 19 15:27:11 s1mt02 kernel: [   11.902413]  [<ffffffffa02e0dda>] drm_pci_init+0x11a/0x130 [drm]
Nov 19 15:27:11 s1mt02 kernel: [   11.902415]  [<ffffffffa046a000>] ? 0xffffffffa0469fff
Nov 19 15:27:11 s1mt02 kernel: [   11.902430]  [<ffffffffa046a06a>] i915_init+0x6a/0x6c [i915]
Nov 19 15:27:11 s1mt02 kernel: [   11.902433]  [<ffffffff8100214a>] do_one_initcall+0xfa/0x1b0
Nov 19 15:27:11 s1mt02 kernel: [   11.902436]  [<ffffffff810598b3>] ? set_memory_nx+0x43/0x50
Nov 19 15:27:11 s1mt02 kernel: [   11.902439]  [<ffffffff810e21dd>] load_module+0x12dd/0x1b40
Nov 19 15:27:11 s1mt02 kernel: [   11.902442]  [<ffffffff810ddc70>] ? store_uevent+0x40/0x40
Nov 19 15:27:11 s1mt02 kernel: [   11.902444]  [<ffffffff810e2bb6>] SyS_finit_module+0x86/0xb0
Nov 19 15:27:11 s1mt02 kernel: [   11.902447]  [<ffffffff8172f7ed>] system_call_fastpath+0x1a/0x1f
Nov 19 15:27:11 s1mt02 kernel: [   11.902448] ---[ end trace f45ec971ff663fee ]---
Nov 19 15:27:11 s1mt02 kernel: [   11.902449] ------------[ cut here ]------------
Nov 19 15:27:11 s1mt02 kernel: [   11.902471] WARNING: CPU: 0 PID: 553 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:4199 intel_modeset_check_state+0x74d/0x780 [i915]()
Nov 19 15:27:11 s1mt02 kernel: [   11.902471] active connector not linked to encoder
[...]
Nov 19 15:27:11 s1mt02 kernel: [   11.902757] ---[ end trace f45ec971ff663fef ]---
Nov 19 15:27:11 s1mt02 kernel: [   11.902763] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
Nov 19 15:27:11 s1mt02 kernel: [   11.907098] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 03 00
Nov 19 15:27:11 s1mt02 kernel: [   11.907101] [drm:check_encoder_state], [ENCODER:6:DAC-6]
Nov 19 15:27:11 s1mt02 kernel: [   11.907103] [drm:check_encoder_state], [ENCODER:7:DAC-7]
Nov 19 15:27:11 s1mt02 kernel: [   11.907107] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
Nov 19 15:27:11 s1mt02 kernel: [   11.911508] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 03 00
Nov 19 15:27:11 s1mt02 kernel: [   11.911510] [drm:check_crtc_state], [CRTC:3]
Nov 19 15:27:11 s1mt02 kernel: [   11.911518] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
Nov 19 15:27:11 s1mt02 kernel: [   11.915848] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 03 00
Nov 19 15:27:11 s1mt02 kernel: [   11.915853] [drm:intel_sdvo_debug_write], SDVOB: W: 12                         (SDVO_CMD_GET_INPUT_TIMINGS_PART1)
Nov 19 15:27:11 s1mt02 kernel: [   11.925779] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 48 3F 40 30 62 B0 32 40
Nov 19 15:27:11 s1mt02 kernel: [   11.925783] [drm:intel_sdvo_debug_write], SDVOB: W: 13                         (SDVO_CMD_GET_INPUT_TIMINGS_PART2)
Nov 19 15:27:11 s1mt02 kernel: [   11.935960] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 40 C0 13 00 1E 00 00 00
Nov 19 15:27:11 s1mt02 kernel: [   11.935966] [drm:intel_sdvo_debug_write], SDVOB: W: 20                         (SDVO_CMD_GET_CLOCK_RATE_MULT)
Nov 19 15:27:11 s1mt02 kernel: [   11.939383] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01
Nov 19 15:27:11 s1mt02 kernel: [   11.939387] [drm:check_crtc_state], [CRTC:4]
Nov 19 15:27:11 s1mt02 kernel: [   11.939393] [drm:intel_crtc_set_config], [CRTC:4] [NOFB]
Nov 19 15:27:11 s1mt02 kernel: [   11.939395] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:4], mode_changed=0, fb_changed=0
Nov 19 15:27:11 s1mt02 kernel: [   11.939398] [drm:intel_modeset_stage_output_state], [CONNECTOR:8:DVI-D-1] to [CRTC:3]
Nov 19 15:27:11 s1mt02 kernel: [   11.939428] Console: switching to colour frame buffer device 200x75
Nov 19 15:27:11 s1mt02 kernel: [   11.939439] [drm:intel_crtc_set_config], [CRTC:3] [FB:32] #connectors=1 (x y) (0 0)
Nov 19 15:27:11 s1mt02 kernel: [   11.939442] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=0, fb_changed=0
Nov 19 15:27:11 s1mt02 kernel: [   11.939443] [drm:intel_modeset_stage_output_state], [CONNECTOR:8:DVI-D-1] to [CRTC:3]
Nov 19 15:27:11 s1mt02 kernel: [   11.945092] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
Nov 19 15:27:11 s1mt02 kernel: [   11.945094] i915 0000:00:02.0: registered panic notifier
Nov 19 15:27:11 s1mt02 kernel: [   11.945167] [drm:intel_crtc_set_config], [CRTC:3] [FB:32] #connectors=1 (x y) (0 0)
Nov 19 15:27:11 s1mt02 kernel: [   11.945176] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
Nov 19 15:27:11 s1mt02 kernel: [   11.946094] snd_hda_intel 0000:00:1b.0: irq 44 for MSI/MSI-X
Nov 19 15:27:11 s1mt02 kernel: [   11.946152] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=0, fb_changed=0
Nov 19 15:27:11 s1mt02 kernel: [   11.946156] [drm:intel_modeset_stage_output_state], [CONNECTOR:8:DVI-D-1] to [CRTC:3]
Nov 19 15:27:11 s1mt02 kernel: [   11.958010] [drm:intel_crtc_set_config], [CRTC:3] [FB:32] #connectors=1 (x y) (0 0)
Nov 19 15:27:11 s1mt02 kernel: [   11.958014] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=0, fb_changed=0
Nov 19 15:27:11 s1mt02 kernel: [   11.958017] [drm:intel_modeset_stage_output_state], [CONNECTOR:8:DVI-D-1] to [CRTC:3]
Nov 19 15:27:11 s1mt02 kernel: [   12.026671] [drm:intel_crtc_set_config], [CRTC:3] [FB:32] #connectors=1 (x y) (0 0)
Nov 19 15:27:11 s1mt02 kernel: [   12.026676] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=0, fb_changed=0
Nov 19 15:27:11 s1mt02 kernel: [   12.026679] [drm:intel_modeset_stage_output_state], [CONNECTOR:8:DVI-D-1] to [CRTC:3]

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "apport.linux-image-3.16.0-25-generic.1_lek0w5.apport"
   https://bugs.launchpad.net/bugs/1396961/+attachment/4269611/+files/apport.linux-image-3.16.0-25-generic.1_lek0w5.apport

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https://bugs.launchpad.net/bugs/1396961

Title:
  WARNING: wrong connector dpms state (Intel 82946GZ/GL, 8086:2972)

Status in “linux” package in Ubuntu:
  New

Bug description:
  First seen after upgrading from precise to trusty, reproducible with
  both trusty (3.13.0-40) and backported utopic (3.16.0-25) kernels on
  the following hardware/BIOS: LENOVO 963673G/LENOVO, BIOS 2QKT29AUS
  07/29/2008 . The information that follows is mostly from booting
  3.13.0 with drm.debug=4. (The apport attachment is from 3.16.0-25.33,
  however.)

  Symptom: at variable intervals (minutes to hours), starting immediately after boot, the kernel logs a pair of WARNING messages from drivers/gpu/drm/i915/intel_display.c:4197 and drivers/gpu/drm/i915/intel_display.c:4199:
    wrong connector dpms state
    active connector not linked to encoder

  The computer uses Intel integrated graphics:
  00:02.0 VGA compatible controller [0300]: Intel Corporation 82946GZ/GL Integrated Graphics Controller [8086:2972] (rev 02) (prog-if 00 [VGA controller])
  	Subsystem: Lenovo Device [17aa:300b]
  	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
  	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
  	Latency: 0
  	Interrupt: pin A routed to IRQ 44
  	Region 0: Memory at d0000000 (32-bit, non-prefetchable) [size=1M]
  	Region 2: Memory at c0000000 (64-bit, prefetchable) [size=256M]
  	Region 4: I/O ports at 18c0 [size=8]
  	Expansion ROM at <unassigned> [disabled]
  	Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
  		Address: fee0300c  Data: 4122
  	Capabilities: [d0] Power Management version 2
  		Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
  		Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
  	Kernel driver in use: i915

  The only attached display, via a DVI cable, is an Acer:
  [    51.628] (II) intel(0): EDID vendor "ACR", prod id 2032

  It looks to me like the kernel is of two minds as to whether connector
  10 (VGA-2) is connected or not. Eventually it concludes, correctly,
  that it is disconnected, but intel_sdvo_detect() thinks that it is
  connected and ->get_hw_state() is fooled by this. The warnings reflect
  this confusion. There is no obvious loss of function but the warnings
  are noisy and I'd like to get rid of them.

  Here is a subset of kernel messages that seem relevant:
  [...]
  Nov 19 15:27:09 s1mt02 kernel: [    0.584452] vesafb: mode is 1600x1200x32, line
  length=6400, pages=0
  Nov 19 15:27:09 s1mt02 kernel: [    0.584454] vesafb: scrolling: redraw
  Nov 19 15:27:09 s1mt02 kernel: [    0.584456] vesafb: Truecolor: size=8:8:8:8, s
  hift=24:16:8:0
  Nov 19 15:27:09 s1mt02 kernel: [    0.585182] vesafb: framebuffer at 0xc0000000,
   mapped to 0xffffc90001180000, using 7552k, total 7552k
  Nov 19 15:27:09 s1mt02 kernel: [    0.662752] Console: switching to colour frame buffer device 200x75
  [...]
  Nov 19 15:27:10 s1mt02 kernel: [   10.529074] [drm] Initialized drm 1.1.0 20060810
  Nov 19 15:27:10 s1mt02 kernel: [   11.342875] [drm:intel_detect_pch], No PCH found.
  Nov 19 15:27:10 s1mt02 kernel: [   11.342882] [drm] Memory usable by graphics device = 512M
  Nov 19 15:27:10 s1mt02 kernel: [   11.342885] checking generic (c0000000 760000) vs hw (c0000000 10000000)
  Nov 19 15:27:10 s1mt02 kernel: [   11.342887] fb: conflicting fb hw usage inteldrmfb vs VESA VGA - removing generic driver
  Nov 19 15:27:10 s1mt02 kernel: [   11.342919] Console: switching to colour dummy device 80x25
  Nov 19 15:27:10 s1mt02 kernel: [   11.392088] i915 0000:00:02.0: irq 43 for MSI/MSI-X
  Nov 19 15:27:10 s1mt02 kernel: [   11.392106] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
  Nov 19 15:27:10 s1mt02 kernel: [   11.392109] [drm] Driver supports precise vblank timestamp query.
  Nov 19 15:27:10 s1mt02 kernel: [   11.392113] [drm:init_vbt_defaults], Set default to SSC at 100MHz
  Nov 19 15:27:10 s1mt02 kernel: [   11.392119] [drm:intel_parse_bios], Using VBT from OpRegion: $VBT BROADWATER-G   d
  Nov 19 15:27:10 s1mt02 kernel: [   11.392123] [drm:parse_general_features], BDB_GENERAL_FEATURES int_tv_support 1 int_crt_support 1 lvds_use_ssc 0 lvds_ssc_freq 96 display_clock_mode 0 fdi_rx_polarity_inverted 0
  Nov 19 15:27:10 s1mt02 kernel: [   11.392129] [drm:parse_general_definitions], crt_ddc_bus_pin: 2
  Nov 19 15:27:10 s1mt02 kernel: [   11.392135] [drm:parse_sdvo_panel_data], Found SDVO panel mode in BIOS VBT tables:
  Nov 19 15:27:10 s1mt02 kernel: [   11.392139] [drm:drm_mode_debug_printmodeline], Modeline 0:"1600x1200" 0 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x8 0xa
  Nov 19 15:27:10 s1mt02 kernel: [   11.392146] [drm:parse_sdvo_device_mapping], the SDVO device with slave addr 70 is found on SDVOB port
  Nov 19 15:27:10 s1mt02 kernel: [   11.392150] [drm:parse_sdvo_device_mapping], SDVO device: dvo=1, addr=70, wiring=1, ddc_pin=29, i2c_pin=5
  Nov 19 15:27:10 s1mt02 kernel: [   11.392154] [drm:parse_sdvo_device_mapping], the SDVO device with slave addr 70 is found on SDVOB port
  Nov 19 15:27:10 s1mt02 kernel: [   11.392158] [drm:parse_sdvo_device_mapping], Maybe one SDVO port is shared by two SDVO device.
  Nov 19 15:27:10 s1mt02 kernel: [   11.392162] [drm:parse_mipi], No MIPI BDB found
  Nov 19 15:27:10 s1mt02 kernel: [   11.392177] [drm:intel_dsm_pci_probe], no _DSM method for intel device
  Nov 19 15:27:10 s1mt02 kernel: [   11.392186] [drm:i915_stolen_to_physical], GTT within stolen memory at 0xbff80000-0xbfffffff
  Nov 19 15:27:10 s1mt02 kernel: [   11.392189] [drm:i915_stolen_to_physical], Stolen memory adjusted to 0xbf800000-0xbff7ffff
  Nov 19 15:27:10 s1mt02 kernel: [   11.392192] [drm:i915_gem_init_stolen], found 7864320 bytes of stolen memory at bf800000
  Nov 19 15:27:10 s1mt02 kernel: [   11.392227] [drm:intel_modeset_init], 2 display pipes available.
  Nov 19 15:27:10 s1mt02 kernel: [   11.392231] [drm:intel_modeset_init], pipe A sprite A init failed: -19
  Nov 19 15:27:10 s1mt02 kernel: [   11.392236] [drm:intel_modeset_init], pipe B sprite B init failed: -19
  Nov 19 15:27:10 s1mt02 kernel: [   11.392238] [drm:intel_shared_dpll_init], 0 shared PLLs initialized
  Nov 19 15:27:10 s1mt02 kernel: [   11.392243] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
  Nov 19 15:27:10 s1mt02 kernel: [   11.392593] [drm:intel_setup_outputs], probing SDVOB
  Nov 19 15:27:10 s1mt02 kernel: [   11.392596] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus dpb. force bit now 1
  Nov 19 15:27:11 s1mt02 kernel: [   11.451691] [drm:intel_sdvo_debug_write], SDVOB: W: 02                         (SDVO_CMD_GET_DEVICE_CAPS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.453280] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 03 94 02 01 01 02 03 01
  Nov 19 15:27:11 s1mt02 kernel: [   11.461540] [drm:intel_sdvo_get_capabilities], SDVO capabilities:
  Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   vendor_id: 3
  Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   device_id: 148
  Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   device_rev_id: 2
  Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   sdvo_version_major: 1
  Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   sdvo_version_minor: 1
  Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   sdvo_inputs_mask: 2
  Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   smooth_scaling: 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   sharp_scaling: 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   up_scaling: 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   down_scaling: 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   stall_support: 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.461540]   output_flags: 259
  Nov 19 15:27:11 s1mt02 kernel: [   11.461544] [drm:intel_sdvo_dvi_init], initialising DVI device 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.461547] [drm:intel_sdvo_debug_write], SDVOB: W: 0C                         (SDVO_CMD_GET_HOT_PLUG_SUPPORT)
  Nov 19 15:27:11 s1mt02 kernel: [   11.463122] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.465877] [drm:intel_sdvo_debug_write], SDVOB: W: 0D 01 00                   (SDVO_CMD_SET_ACTIVE_HOT_PLUG)
  Nov 19 15:27:11 s1mt02 kernel: [   11.468757] [drm:intel_sdvo_debug_write], SDVOB: W: 9D                         (SDVO_CMD_GET_SUPP_ENCODE)
  Nov 19 15:27:11 s1mt02 kernel: [   11.470333] [drm:intel_sdvo_read_response], SDVOB: R: (Not supported)... failed
  Nov 19 15:27:11 s1mt02 kernel: [   11.471316] [drm:intel_sdvo_dvi_init], initialising DVI device 1
  Nov 19 15:27:11 s1mt02 kernel: [   11.471320] [drm:intel_sdvo_debug_write], SDVOB: W: 0C                         (SDVO_CMD_GET_HOT_PLUG_SUPPORT)
  Nov 19 15:27:11 s1mt02 kernel: [   11.472905] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.475658] [drm:intel_sdvo_debug_write], SDVOB: W: 9D                         (SDVO_CMD_GET_SUPP_ENCODE)
  Nov 19 15:27:11 s1mt02 kernel: [   11.477233] [drm:intel_sdvo_read_response], SDVOB: R: (Not supported)... failed
  Nov 19 15:27:11 s1mt02 kernel: [   11.478183] [drm:intel_sdvo_analog_init], initialising analog device 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.478222] [drm:intel_sdvo_debug_write], SDVOB: W: 10 00                      (SDVO_CMD_SET_TARGET_INPUT)
  Nov 19 15:27:11 s1mt02 kernel: [   11.480457] [drm:intel_sdvo_read_response], SDVOB: R: (Success)
  Nov 19 15:27:11 s1mt02 kernel: [   11.481443] [drm:intel_sdvo_debug_write], SDVOB: W: 1D                         (SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE)
  Nov 19 15:27:11 s1mt02 kernel: [   11.483019] [drm:intel_sdvo_read_response], SDVOB: R: (Success) C4 09 74 40
  Nov 19 15:27:11 s1mt02 kernel: [   11.487607] [drm:intel_sdvo_init], SDVOB device VID/DID: 03:94.02, clock range 25MHz - 165MHz, input 1: N, input 2: Y, output 1: Y, output 2: Y
  Nov 19 15:27:11 s1mt02 kernel: [   11.487611] [drm:intel_setup_outputs], probing SDVOC
  Nov 19 15:27:11 s1mt02 kernel: [   11.487614] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus dpb. force bit now 2
  Nov 19 15:27:11 s1mt02 kernel: [   11.487932] [drm:intel_sdvo_read_byte], i2c transfer returned -6
  Nov 19 15:27:11 s1mt02 kernel: [   11.487935] [drm:intel_sdvo_init], No SDVO device found on SDVOC
  Nov 19 15:27:11 s1mt02 kernel: [   11.487965] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus dpb. force bit now 1
  Nov 19 15:27:11 s1mt02 kernel: [   11.487972] [drm:i915_gem_setup_global_gtt], clearing unused GTT space: [0, 1ffff000]
  Nov 19 15:27:11 s1mt02 kernel: [   11.488557] [drm:i915_gem_object_create_stolen], creating stolen object: size=20000
  Nov 19 15:27:11 s1mt02 kernel: [   11.488603] [drm:i915_gem_object_create_stolen], creating stolen object: size=1000
  Nov 19 15:27:11 s1mt02 kernel: [   11.488609] [drm] initialized overlay support
  Nov 19 15:27:11 s1mt02 kernel: [   11.488617] [drm:intel_modeset_readout_hw_state], [CRTC:3] hw state readout: enabled
  Nov 19 15:27:11 s1mt02 kernel: [   11.488623] [drm:intel_modeset_readout_hw_state], [CRTC:4] hw state readout: enabled
  Nov 19 15:27:11 s1mt02 kernel: [   11.488627] [drm:intel_modeset_readout_hw_state], [ENCODER:6:DAC-6] hw state readout: disabled, pipe A
  Nov 19 15:27:11 s1mt02 kernel: [   11.488630] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.490207] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.492962] [drm:intel_sdvo_debug_write], SDVOB: W: 12                         (SDVO_CMD_GET_INPUT_TIMINGS_PART1)
  Nov 19 15:27:11 s1mt02 kernel: [   11.494537] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 48 3F 40 30 62 B0 32 40
  Nov 19 15:27:11 s1mt02 kernel: [   11.502792] [drm:intel_sdvo_debug_write], SDVOB: W: 13                         (SDVO_CMD_GET_INPUT_TIMINGS_PART2)
  Nov 19 15:27:11 s1mt02 kernel: [   11.504367] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 40 C0 13 00 1E 00 00 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.512624] [drm:intel_sdvo_debug_write], SDVOB: W: 20                         (SDVO_CMD_GET_CLOCK_RATE_MULT)
  Nov 19 15:27:11 s1mt02 kernel: [   11.514361] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01
  Nov 19 15:27:11 s1mt02 kernel: [   11.516274] [drm:intel_modeset_readout_hw_state], [ENCODER:7:DAC-7] hw state readout: enabled, pipe A
  Nov 19 15:27:11 s1mt02 kernel: [   11.516279] [drm:intel_modeset_readout_hw_state], [CONNECTOR:5:VGA-1] hw state readout: disabled
  Nov 19 15:27:11 s1mt02 kernel: [   11.516286] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.517901] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.520843] [drm:intel_modeset_readout_hw_state], [CONNECTOR:8:DVI-D-1] hw state readout: enabled
  Nov 19 15:27:11 s1mt02 kernel: [   11.520854] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.522473] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.525303] [drm:intel_modeset_readout_hw_state], [CONNECTOR:9:DVI-D-2] hw state readout: disabled
  Nov 19 15:27:11 s1mt02 kernel: [   11.525306] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.526907] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.529844] [drm:intel_modeset_readout_hw_state], [CONNECTOR:10:VGA-2] hw state readout: disabled
  Nov 19 15:27:11 s1mt02 kernel: [   11.529851] [drm:intel_dump_pipe_config], [CRTC:3][setup_hw_state] config for pipe A
  Nov 19 15:27:11 s1mt02 kernel: [   11.529853] [drm:intel_dump_pipe_config], cpu_transcoder: A
  Nov 19 15:27:11 s1mt02 kernel: [   11.529855] [drm:intel_dump_pipe_config], pipe bpp: 0, dithering: 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.529857] [drm:intel_dump_pipe_config], fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.529860] [drm:intel_dump_pipe_config], dp: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.529862] [drm:intel_dump_pipe_config], requested mode:
  Nov 19 15:27:11 s1mt02 kernel: [   11.529864] [drm:drm_mode_debug_printmodeline], Modeline 0:"" 0 0 1600 0 0 0 1200 0 0 0 0x0 0x0
  Nov 19 15:27:11 s1mt02 kernel: [   11.529868] [drm:intel_dump_pipe_config], adjusted mode:
  Nov 19 15:27:11 s1mt02 kernel: [   11.529870] [drm:drm_mode_debug_printmodeline], Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x5
  Nov 19 15:27:11 s1mt02 kernel: [   11.529873] [drm:intel_dump_crtc_timings], crtc timings: 161600 1600 1664 1856 2160 1200 1201 1204 1250, type: 0x0 flags: 0x5
  Nov 19 15:27:11 s1mt02 kernel: [   11.529876] [drm:intel_dump_pipe_config], port clock: 161600
  Nov 19 15:27:11 s1mt02 kernel: [   11.529878] [drm:intel_dump_pipe_config], pipe src size: 1600x1200
  Nov 19 15:27:11 s1mt02 kernel: [   11.529880] [drm:intel_dump_pipe_config], gmch pfit: control: 0x80000000, ratios: 0x10001000, lvds border: 0x00000000
  Nov 19 15:27:11 s1mt02 kernel: [   11.529883] [drm:intel_dump_pipe_config], pch pfit: pos: 0x00000000, size: 0x00000000, disabled
  Nov 19 15:27:11 s1mt02 kernel: [   11.529885] [drm:intel_dump_pipe_config], ips: 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.529887] [drm:intel_dump_pipe_config], double wide: 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.536038] [drm:i965_update_wm], Setting FIFO watermarks - A: 8, B: 8, C: 8, SR 1
  Nov 19 15:27:11 s1mt02 kernel: [   11.536046] [drm:intel_sanitize_crtc], [CRTC:4] hw state adjusted, was enabled, now disabled
  Nov 19 15:27:11 s1mt02 kernel: [   11.536049] [drm:intel_dump_pipe_config], [CRTC:4][setup_hw_state] config for pipe B
  Nov 19 15:27:11 s1mt02 kernel: [   11.536052] [drm:intel_dump_pipe_config], cpu_transcoder: B
  Nov 19 15:27:11 s1mt02 kernel: [   11.536054] [drm:intel_dump_pipe_config], pipe bpp: 0, dithering: 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.536056] [drm:intel_dump_pipe_config], fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.536059] [drm:intel_dump_pipe_config], dp: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.536061] [drm:intel_dump_pipe_config], requested mode:
  Nov 19 15:27:11 s1mt02 kernel: [   11.536064] [drm:drm_mode_debug_printmodeline], Modeline 0:"" 0 0 640 0 0 0 480 0 0 0 0x0 0x0
  Nov 19 15:27:11 s1mt02 kernel: [   11.536067] [drm:intel_dump_pipe_config], adjusted mode:
  Nov 19 15:27:11 s1mt02 kernel: [   11.536069] [drm:drm_mode_debug_printmodeline], Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
  Nov 19 15:27:11 s1mt02 kernel: [   11.536074] [drm:intel_dump_crtc_timings], crtc timings: 0 640 656 752 800 480 490 492 525, type: 0x0 flags: 0x0
  Nov 19 15:27:11 s1mt02 kernel: [   11.536078] [drm:intel_dump_pipe_config], port clock: 25200
  Nov 19 15:27:11 s1mt02 kernel: [   11.536080] [drm:intel_dump_pipe_config], pipe src size: 640x480
  Nov 19 15:27:11 s1mt02 kernel: [   11.536082] [drm:intel_dump_pipe_config], gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
  Nov 19 15:27:11 s1mt02 kernel: [   11.536084] [drm:intel_dump_pipe_config], pch pfit: pos: 0x00000000, size: 0x00000000, disabled
  Nov 19 15:27:11 s1mt02 kernel: [   11.536086] [drm:intel_dump_pipe_config], ips: 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.536088] [drm:intel_dump_pipe_config], double wide: 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.536130] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.537784] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.540774] [drm:intel_connector_check_state], [CONNECTOR:8:DVI-D-1]
  Nov 19 15:27:11 s1mt02 kernel: [   11.541027] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.542660] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.545869] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.547478] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.550679] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.552316] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.555447] [drm:check_encoder_state], [ENCODER:6:DAC-6]
  Nov 19 15:27:11 s1mt02 kernel: [   11.555451] [drm:check_encoder_state], [ENCODER:7:DAC-7]
  Nov 19 15:27:11 s1mt02 kernel: [   11.555460] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.557106] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.560457] [drm:check_crtc_state], [CRTC:3]
  Nov 19 15:27:11 s1mt02 kernel: [   11.560673] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.562295] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.565394] [drm:intel_sdvo_debug_write], SDVOB: W: 12                         (SDVO_CMD_GET_INPUT_TIMINGS_PART1)
  Nov 19 15:27:11 s1mt02 kernel: [   11.567007] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 48 3F 40 30 62 B0 32 40
  Nov 19 15:27:11 s1mt02 kernel: [   11.575805] [drm:intel_sdvo_debug_write], SDVOB: W: 13                         (SDVO_CMD_GET_INPUT_TIMINGS_PART2)
  Nov 19 15:27:11 s1mt02 kernel: [   11.577405] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 40 C0 13 00 1E 00 00 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.585669] [drm:intel_sdvo_debug_write], SDVOB: W: 20                         (SDVO_CMD_GET_CLOCK_RATE_MULT)
  Nov 19 15:27:11 s1mt02 kernel: [   11.587244] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01
  Nov 19 15:27:11 s1mt02 kernel: [   11.589088] [drm:check_crtc_state], [CRTC:4]
  Nov 19 15:27:11 s1mt02 kernel: [   11.589102] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:VGA-1]
  Nov 19 15:27:11 s1mt02 kernel: [   11.589105] [drm:intel_crt_detect], [CONNECTOR:5:VGA-1] force=1
  Nov 19 15:27:11 s1mt02 kernel: [   11.596024] [drm:intel_crt_detect], CRT not detected via hotplug
  Nov 19 15:27:11 s1mt02 kernel: [   11.600058] [drm:gmbus_xfer], GMBUS [i915 gmbus vga] NAK for addr: 0050 r(1)
  Nov 19 15:27:11 s1mt02 kernel: [   11.600067] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
  Nov 19 15:27:11 s1mt02 kernel: [   11.600071] [drm:intel_crt_get_edid], CRT GMBUS EDID read failed, retry using GPIO bit-banging
  Nov 19 15:27:11 s1mt02 kernel: [   11.600074] [drm:intel_gmbus_force_bit], enabling bit-banging on i915 gmbus vga. force bit now 1
  Nov 19 15:27:11 s1mt02 kernel: [   11.600349] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter i915 gmbus vga
  Nov 19 15:27:11 s1mt02 kernel: [   11.600351] [drm:intel_gmbus_force_bit], disabling bit-banging on i915 gmbus vga. force bit now 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.600353] [drm:intel_crt_detect_ddc], CRT not detected via DDC:0x50 [no valid EDID found]
  Nov 19 15:27:11 s1mt02 kernel: [   11.600356] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:5:VGA-1] disconnected
  Nov 19 15:27:11 s1mt02 kernel: [   11.600359] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:8:DVI-D-1]
  Nov 19 15:27:11 s1mt02 kernel: [   11.600362] [drm:intel_sdvo_detect], [CONNECTOR:8:DVI-D-1]
  Nov 19 15:27:11 s1mt02 kernel: [   11.600365] [drm:intel_sdvo_debug_write], SDVOB: W: 0B                         (SDVO_CMD_GET_ATTACHED_DISPLAYS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.601941] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 03 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.604700] [drm:intel_sdvo_detect], SDVO response 3 0 [1]
  Nov 19 15:27:11 s1mt02 kernel: [   11.604707] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02                      (SDVO_CMD_SET_CONTROL_BUS_SWITCH)
  Nov 19 15:27:11 s1mt02 kernel: [   11.607854] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02                      (SDVO_CMD_SET_CONTROL_BUS_SWITCH)
  Nov 19 15:27:11 s1mt02 kernel: [   11.637623] [drm:intel_sdvo_get_ddc_modes], [CONNECTOR:8:DVI-D-1]
  Nov 19 15:27:11 s1mt02 kernel: [   11.637638] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02                      (SDVO_CMD_SET_CONTROL_BUS_SWITCH)
  Nov 19 15:27:11 s1mt02 kernel: [   11.640793] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02                      (SDVO_CMD_SET_CONTROL_BUS_SWITCH)
  Nov 19 15:27:11 s1mt02 kernel: [   11.670282] [drm:intel_sdvo_connector_matches_edid], connector_is_digital? 1, monitor_is_digital? 1
  Nov 19 15:27:11 s1mt02 kernel: [   11.670318] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:8:DVI-D-1] probed modes :
  Nov 19 15:27:11 s1mt02 kernel: [   11.670322] [drm:drm_mode_debug_printmodeline], Modeline 12:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x48 0x5
  Nov 19 15:27:11 s1mt02 kernel: [   11.670325] [drm:drm_mode_debug_printmodeline], Modeline 15:"1400x1050" 60 101000 1400 1448 1480 1560 1050 1053 1057 1080 0x40 0x9
  Nov 19 15:27:11 s1mt02 kernel: [   11.670329] [drm:drm_mode_debug_printmodeline], Modeline 24:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
  Nov 19 15:27:11 s1mt02 kernel: [   11.670332] [drm:drm_mode_debug_printmodeline], Modeline 14:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x40 0x5
  Nov 19 15:27:11 s1mt02 kernel: [   11.670335] [drm:drm_mode_debug_printmodeline], Modeline 13:"1280x960" 60 108000 1280 1376 1488 1800 960 961 964 1000 0x40 0x5
  Nov 19 15:27:11 s1mt02 kernel: [   11.670339] [drm:drm_mode_debug_printmodeline], Modeline 16:"1152x864" 75 108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
  Nov 19 15:27:11 s1mt02 kernel: [   11.670342] [drm:drm_mode_debug_printmodeline], Modeline 25:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
  Nov 19 15:27:11 s1mt02 kernel: [   11.670345] [drm:drm_mode_debug_printmodeline], Modeline 26:"1024x768" 70 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
  Nov 19 15:27:11 s1mt02 kernel: [   11.670349] [drm:drm_mode_debug_printmodeline], Modeline 27:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
  Nov 19 15:27:11 s1mt02 kernel: [   11.670352] [drm:drm_mode_debug_printmodeline], Modeline 28:"832x624" 75 57284 832 864 928 1152 624 625 628 667 0x40 0xa
  Nov 19 15:27:11 s1mt02 kernel: [   11.670355] [drm:drm_mode_debug_printmodeline], Modeline 29:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
  Nov 19 15:27:11 s1mt02 kernel: [   11.670358] [drm:drm_mode_debug_printmodeline], Modeline 30:"800x600" 72 50000 800 856 976 1040 600 637 643 666 0x40 0x5
  Nov 19 15:27:11 s1mt02 kernel: [   11.670361] [drm:drm_mode_debug_printmodeline], Modeline 17:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
  Nov 19 15:27:11 s1mt02 kernel: [   11.670364] [drm:drm_mode_debug_printmodeline], Modeline 18:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
  Nov 19 15:27:11 s1mt02 kernel: [   11.670368] [drm:drm_mode_debug_printmodeline], Modeline 19:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
  Nov 19 15:27:11 s1mt02 kernel: [   11.670371] [drm:drm_mode_debug_printmodeline], Modeline 20:"640x480" 73 31500 640 664 704 832 480 489 491 520 0x40 0xa
  Nov 19 15:27:11 s1mt02 kernel: [   11.670374] [drm:drm_mode_debug_printmodeline], Modeline 21:"640x480" 67 30240 640 704 768 864 480 483 486 525 0x40 0xa
  Nov 19 15:27:11 s1mt02 kernel: [   11.670377] [drm:drm_mode_debug_printmodeline], Modeline 22:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
  Nov 19 15:27:11 s1mt02 kernel: [   11.670381] [drm:drm_mode_debug_printmodeline], Modeline 23:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
  Nov 19 15:27:11 s1mt02 kernel: [   11.670385] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:9:DVI-D-2]
  Nov 19 15:27:11 s1mt02 kernel: [   11.670388] [drm:intel_sdvo_detect], [CONNECTOR:9:DVI-D-2]
  Nov 19 15:27:11 s1mt02 kernel: [   11.670390] [drm:intel_sdvo_debug_write], SDVOB: W: 0B                         (SDVO_CMD_GET_ATTACHED_DISPLAYS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.671966] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 03 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.674743] [drm:intel_sdvo_detect], SDVO response 3 0 [100]
  Nov 19 15:27:11 s1mt02 kernel: [   11.674746] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:9:DVI-D-2] disconnected
  Nov 19 15:27:11 s1mt02 kernel: [   11.674748] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:10:VGA-2]
  Nov 19 15:27:11 s1mt02 kernel: [   11.674751] [drm:intel_sdvo_detect], [CONNECTOR:10:VGA-2]
  Nov 19 15:27:11 s1mt02 kernel: [   11.674753] [drm:intel_sdvo_debug_write], SDVOB: W: 0B                         (SDVO_CMD_GET_ATTACHED_DISPLAYS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.676343] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 03 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.679096] [drm:intel_sdvo_detect], SDVO response 3 0 [2]
  Nov 19 15:27:11 s1mt02 kernel: [   11.679098] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02                      (SDVO_CMD_SET_CONTROL_BUS_SWITCH)
  Nov 19 15:27:11 s1mt02 kernel: [   11.682243] [drm:intel_sdvo_debug_write], SDVOB: W: 7A 02                      (SDVO_CMD_SET_CONTROL_BUS_SWITCH)
  Nov 19 15:27:11 s1mt02 kernel: [   11.711761] [drm:intel_sdvo_connector_matches_edid], connector_is_digital? 0, monitor_is_digital? 1
  Nov 19 15:27:11 s1mt02 kernel: [   11.711766] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:10:VGA-2] disconnected
  Nov 19 15:27:11 s1mt02 kernel: [   11.711769] [drm:drm_setup_crtcs],
  Nov 19 15:27:11 s1mt02 kernel: [   11.711771] [drm:drm_enable_connectors], connector 5 enabled? no
  Nov 19 15:27:11 s1mt02 kernel: [   11.711773] [drm:drm_enable_connectors], connector 8 enabled? yes
  Nov 19 15:27:11 s1mt02 kernel: [   11.711775] [drm:drm_enable_connectors], connector 9 enabled? no
  Nov 19 15:27:11 s1mt02 kernel: [   11.711777] [drm:drm_enable_connectors], connector 10 enabled? no
  Nov 19 15:27:11 s1mt02 kernel: [   11.711780] [drm:drm_target_preferred], looking for cmdline mode on connector 8
  Nov 19 15:27:11 s1mt02 kernel: [   11.711782] [drm:drm_target_preferred], looking for preferred mode on connector 8
  Nov 19 15:27:11 s1mt02 kernel: [   11.711784] [drm:drm_target_preferred], found mode 1600x1200
  Nov 19 15:27:11 s1mt02 kernel: [   11.711786] [drm:drm_setup_crtcs], picking CRTCs for 8192x8192 config
  Nov 19 15:27:11 s1mt02 kernel: [   11.711789] [drm:drm_setup_crtcs], desired mode 1600x1200 set on crtc 3
  Nov 19 15:27:11 s1mt02 kernel: [   11.711794] [drm:i915_gem_object_create_stolen], creating stolen object: size=753000
  Nov 19 15:27:11 s1mt02 kernel: [   11.714873] [drm:intelfb_create], allocated 1600x1200 fb: 0x00040000, bo ffff8800361f0300
  Nov 19 15:27:11 s1mt02 kernel: [   11.714968] fbcon: inteldrmfb (fb0) is primary device
  Nov 19 15:27:11 s1mt02 kernel: [   11.715030] [drm:intel_crtc_set_config], [CRTC:3] [FB:32] #connectors=1 (x y) (0 0)
  Nov 19 15:27:11 s1mt02 kernel: [   11.715032] [drm:intel_set_config_compute_mode_changes], inactive crtc, full mode set
  Nov 19 15:27:11 s1mt02 kernel: [   11.715034] [drm:intel_set_config_compute_mode_changes], modes are different, full mode set
  Nov 19 15:27:11 s1mt02 kernel: [   11.715037] [drm:drm_mode_debug_printmodeline], Modeline 0:"" 0 0 0 0 0 0 0 0 0 0 0x0 0x0
  Nov 19 15:27:11 s1mt02 kernel: [   11.715039] [drm:drm_mode_debug_printmodeline], Modeline 31:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x48 0x5
  Nov 19 15:27:11 s1mt02 kernel: [   11.715041] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=1, fb_changed=0
  Nov 19 15:27:11 s1mt02 kernel: [   11.715043] [drm:intel_modeset_stage_output_state], [CONNECTOR:8:DVI-D-1] to [CRTC:3]
  Nov 19 15:27:11 s1mt02 kernel: [   11.715046] [drm:intel_modeset_affected_pipes], set mode pipe masks: modeset: 1, prepare: 1, disable: 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.715050] [drm:connected_sink_compute_bpp], [CONNECTOR:8:DVI-D-1] checking for sink bpp constrains
  Nov 19 15:27:11 s1mt02 kernel: [   11.715052] [drm:intel_sdvo_compute_config], forcing bpc to 8 for SDVO
  Nov 19 15:27:11 s1mt02 kernel: [   11.715054] [drm:intel_modeset_pipe_config], plane bpp: 24, pipe bpp: 24, dithering: 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.715056] [drm:intel_dump_pipe_config], [CRTC:3][modeset] config for pipe A
  Nov 19 15:27:11 s1mt02 kernel: [   11.715057] [drm:intel_dump_pipe_config], cpu_transcoder: A
  Nov 19 15:27:11 s1mt02 kernel: [   11.715059] [drm:intel_dump_pipe_config], pipe bpp: 24, dithering: 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.715061] [drm:intel_dump_pipe_config], fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.715062] [drm:intel_dump_pipe_config], dp: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.715064] [drm:intel_dump_pipe_config], requested mode:
  Nov 19 15:27:11 s1mt02 kernel: [   11.715066] [drm:drm_mode_debug_printmodeline], Modeline 0:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x48 0x5
  Nov 19 15:27:11 s1mt02 kernel: [   11.715067] [drm:intel_dump_pipe_config], adjusted mode:
  Nov 19 15:27:11 s1mt02 kernel: [   11.715070] [drm:drm_mode_debug_printmodeline], Modeline 0:"1600x1200" 60 162000 1600 1664 1856 2160 1200 1201 1204 1250 0x48 0x5
  Nov 19 15:27:11 s1mt02 kernel: [   11.715072] [drm:intel_dump_crtc_timings], crtc timings: 162000 1600 1664 1856 2160 1200 1201 1204 1250, type: 0x48 flags: 0x5
  Nov 19 15:27:11 s1mt02 kernel: [   11.715073] [drm:intel_dump_pipe_config], port clock: 162000
  Nov 19 15:27:11 s1mt02 kernel: [   11.715075] [drm:intel_dump_pipe_config], pipe src size: 1600x1200
  Nov 19 15:27:11 s1mt02 kernel: [   11.715076] [drm:intel_dump_pipe_config], gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000
  Nov 19 15:27:11 s1mt02 kernel: [   11.715078] [drm:intel_dump_pipe_config], pch pfit: pos: 0x00000000, size: 0x00000000, disabled
  Nov 19 15:27:11 s1mt02 kernel: [   11.715079] [drm:intel_dump_pipe_config], ips: 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.715080] [drm:intel_dump_pipe_config], double wide: 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.715086] [drm:intel_sdvo_debug_write], SDVOB: W: 05 00 00                   (SDVO_CMD_SET_ACTIVE_OUTPUTS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.718904] [drm:intel_sdvo_read_response], SDVOB: R: (Success)
  Nov 19 15:27:11 s1mt02 kernel: [   11.748034] [drm:i965_update_wm], Setting FIFO watermarks - A: 8, B: 8, C: 8, SR 1
  Nov 19 15:27:11 s1mt02 kernel: [   11.748226] [drm:i9xx_update_plane], Writing base 00040000 00000000 0 0 6400
  Nov 19 15:27:11 s1mt02 kernel: [   11.748231] [drm:intel_crtc_mode_set], [ENCODER:7:DAC-7] set [MODE:0:1600x1200]
  Nov 19 15:27:11 s1mt02 kernel: [   11.748236] [drm:intel_sdvo_debug_write], SDVOB: W: 07 03 00 00 00             (SDVO_CMD_SET_IN_OUT_MAP)
  Nov 19 15:27:11 s1mt02 kernel: [   11.753345] [drm:intel_sdvo_read_response], SDVOB: R: (Success)
  Nov 19 15:27:11 s1mt02 kernel: [   11.753349] [drm:intel_sdvo_debug_write], SDVOB: W: 11 03 00                   (SDVO_CMD_SET_TARGET_OUTPUT)
  Nov 19 15:27:11 s1mt02 kernel: [   11.757151] [drm:intel_sdvo_read_response], SDVOB: R: (Success)
  Nov 19 15:27:11 s1mt02 kernel: [   11.757156] [drm:intel_sdvo_debug_write], SDVOB: W: 16 48 3F 40 30 62 B0 32 40 (SDVO_CMD_SET_OUTPUT_TIMINGS_PART1)
  Nov 19 15:27:11 s1mt02 kernel: [   11.764889] [drm:intel_sdvo_read_response], SDVOB: R: (Invalid arg)... failed
  Nov 19 15:27:11 s1mt02 kernel: [   11.764889] [drm] Setting output timings on SDVOB failed
  Nov 19 15:27:11 s1mt02 kernel: [   11.764894] [drm:intel_sdvo_debug_write], SDVOB: W: 10 00                      (SDVO_CMD_SET_TARGET_INPUT)
  Nov 19 15:27:11 s1mt02 kernel: [   11.768040] [drm:intel_sdvo_read_response], SDVOB: R: (Success)
  Nov 19 15:27:11 s1mt02 kernel: [   11.768044] [drm:intel_sdvo_debug_write], SDVOB: W: 9F 00                      (SDVO_CMD_SET_ENCODE)
  Nov 19 15:27:11 s1mt02 kernel: [   11.771183] [drm:intel_sdvo_read_response], SDVOB: R: (Not supported)... failed
  Nov 19 15:27:11 s1mt02 kernel: [   11.771187] [drm:intel_sdvo_debug_write], SDVOB: W: 14 48 3F 40 30 62 B0 32 40 (SDVO_CMD_SET_INPUT_TIMINGS_PART1)
  Nov 19 15:27:11 s1mt02 kernel: [   11.778895] [drm:intel_sdvo_read_response], SDVOB: R: (Success)
  Nov 19 15:27:11 s1mt02 kernel: [   11.778899] [drm:intel_sdvo_debug_write], SDVOB: W: 15 40 C0 13 00 1E 00 00 00 (SDVO_CMD_SET_INPUT_TIMINGS_PART2)
  Nov 19 15:27:11 s1mt02 kernel: [   11.786611] [drm:intel_sdvo_read_response], SDVOB: R: (Success)
  Nov 19 15:27:11 s1mt02 kernel: [   11.786615] [drm:intel_sdvo_debug_write], SDVOB: W: 21 01                      (SDVO_CMD_SET_CLOCK_RATE_MULT)
  Nov 19 15:27:11 s1mt02 kernel: [   11.789756] [drm:intel_sdvo_read_response], SDVOB: R: (Success)
  Nov 19 15:27:11 s1mt02 kernel: [   11.790425] [drm:i965_update_wm], self-refresh entries: 100, wm: 412
  Nov 19 15:27:11 s1mt02 kernel: [   11.790426] [drm:i965_update_wm], self-refresh watermark: display plane 412 cursor 32
  Nov 19 15:27:11 s1mt02 kernel: [   11.790427] [drm:i965_update_wm], Setting FIFO watermarks - A: 8, B: 8, C: 8, SR 412
  Nov 19 15:27:11 s1mt02 kernel: [   11.854283] [drm:intel_sdvo_debug_write], SDVOB: W: 03                         (SDVO_CMD_GET_TRAINED_INPUTS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.872065] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01
  Nov 19 15:27:11 s1mt02 kernel: [   11.872775] [drm:intel_sdvo_debug_write], SDVOB: W: 05 03 00                   (SDVO_CMD_SET_ACTIVE_OUTPUTS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.879385] [drm:intel_sdvo_read_response], SDVOB: R: (Success)
  Nov 19 15:27:11 s1mt02 kernel: [   11.880382] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.886257] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 03 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.886262] [drm:intel_connector_check_state], [CONNECTOR:8:DVI-D-1]
  Nov 19 15:27:11 s1mt02 kernel: [   11.886672] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.892978] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 03 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.892986] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.897581] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 03 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.897586] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.902056] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 03 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.902060] [drm:intel_connector_check_state], [CONNECTOR:10:VGA-2]
  Nov 19 15:27:11 s1mt02 kernel: [   11.902061] ------------[ cut here ]------------
  Nov 19 15:27:11 s1mt02 kernel: [   11.902108] WARNING: CPU: 0 PID: 553 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:4197 intel_modeset_check_state+0x76c/0x780 [i915]()
  Nov 19 15:27:11 s1mt02 kernel: [   11.902108] wrong connector dpms state
  Nov 19 15:27:11 s1mt02 kernel: [   11.902139] Modules linked in: snd_hda_intel(+) i915(+) snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event video snd_rawmidi drm_kms_helper snd_seq drm snd_seq_device snd_timer i2c_algo_bit snd soundcore lpc_ich coretemp serio_raw mac_hid rpcsec_gss_krb5 nfsd auth_rpcgss nfs_acl nfs lockd sunrpc binfmt_misc fscache parport_pc ppdev lp parport hid_generic usbhid hid raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid1 tg3 raid0 e1000 multipath linear floppy ptp pps_core
  Nov 19 15:27:11 s1mt02 kernel: [   11.902142] CPU: 0 PID: 553 Comm: systemd-udevd Not tainted 3.13.0-39-generic #66-Ubuntu
  Nov 19 15:27:11 s1mt02 kernel: [   11.902143] Hardware name: LENOVO 963673G/LENOVO, BIOS 2QKT29AUS 07/29/2008
  Nov 19 15:27:11 s1mt02 kernel: [   11.902146]  0000000000000009 ffff8800b7757440 ffffffff8171ece7 ffff8800b7757488
  Nov 19 15:27:11 s1mt02 kernel: [   11.902148]  ffff8800b7757478 ffffffff8106773d ffff8800361c6000 ffff8800361c6800
  Nov 19 15:27:11 s1mt02 kernel: [   11.902150]  ffff8800361c1800 ffff8800361c1af8 ffff8800b9665ca0 ffff8800b77574d8
  Nov 19 15:27:11 s1mt02 kernel: [   11.902150] Call Trace:
  Nov 19 15:27:11 s1mt02 kernel: [   11.902156]  [<ffffffff8171ece7>] dump_stack+0x45/0x56
  Nov 19 15:27:11 s1mt02 kernel: [   11.902160]  [<ffffffff8106773d>] warn_slowpath_common+0x7d/0xa0
  Nov 19 15:27:11 s1mt02 kernel: [   11.902161]  [<ffffffff810677ac>] warn_slowpath_fmt+0x4c/0x50
  Nov 19 15:27:11 s1mt02 kernel: [   11.902184]  [<ffffffffa03e960c>] intel_modeset_check_state+0x76c/0x780 [i915]
  Nov 19 15:27:11 s1mt02 kernel: [   11.902206]  [<ffffffffa03e96b5>] intel_set_mode+0x25/0x30 [i915]
  Nov 19 15:27:11 s1mt02 kernel: [   11.902227]  [<ffffffffa03e9f5b>] intel_crtc_set_config+0x7ab/0x9a0 [i915]
  Nov 19 15:27:11 s1mt02 kernel: [   11.902248]  [<ffffffffa02e4eed>] drm_mode_set_config_internal+0x5d/0xe0 [drm]
  Nov 19 15:27:11 s1mt02 kernel: [   11.902254]  [<ffffffffa026a561>] drm_fb_helper_set_par+0x71/0xf0 [drm_kms_helper]
  Nov 19 15:27:11 s1mt02 kernel: [   11.902257]  [<ffffffff813d91b4>] fbcon_init+0x4f4/0x570
  Nov 19 15:27:11 s1mt02 kernel: [   11.902260]  [<ffffffff8145e088>] visual_init+0xb8/0x120
  Nov 19 15:27:11 s1mt02 kernel: [   11.902263]  [<ffffffff814609c3>] do_bind_con_driver+0x163/0x330
  Nov 19 15:27:11 s1mt02 kernel: [   11.902265]  [<ffffffff81461174>] do_take_over_console+0x114/0x1c0
  Nov 19 15:27:11 s1mt02 kernel: [   11.902266]  [<ffffffff813d4a73>] do_fbcon_takeover+0x63/0xd0
  Nov 19 15:27:11 s1mt02 kernel: [   11.902268]  [<ffffffff813d9d1d>] fbcon_event_notify+0x60d/0x720
  Nov 19 15:27:11 s1mt02 kernel: [   11.902271]  [<ffffffff8172b2fc>] notifier_call_chain+0x4c/0x70
  Nov 19 15:27:11 s1mt02 kernel: [   11.902274]  [<ffffffff8108fe5d>] __blocking_notifier_call_chain+0x4d/0x70
  Nov 19 15:27:11 s1mt02 kernel: [   11.902276]  [<ffffffff8108fe96>] blocking_notifier_call_chain+0x16/0x20
  Nov 19 15:27:11 s1mt02 kernel: [   11.902279]  [<ffffffff813c9f6b>] fb_notifier_call_chain+0x1b/0x20
  Nov 19 15:27:11 s1mt02 kernel: [   11.902281]  [<ffffffff813cbf5b>] register_framebuffer+0x1db/0x320
  Nov 19 15:27:11 s1mt02 kernel: [   11.902285]  [<ffffffffa026a1ff>] drm_fb_helper_initial_config+0x32f/0x510 [drm_kms_helper]
  Nov 19 15:27:11 s1mt02 kernel: [   11.902289]  [<ffffffff811a1f29>] ? __kmalloc+0x1e9/0x230
  Nov 19 15:27:11 s1mt02 kernel: [   11.902293]  [<ffffffffa02696be>] ? drm_fb_helper_init+0xfe/0x200 [drm_kms_helper]
  Nov 19 15:27:11 s1mt02 kernel: [   11.902319]  [<ffffffffa0423971>] intel_fbdev_initial_config+0x21/0x30 [i915]
  Nov 19 15:27:11 s1mt02 kernel: [   11.902337]  [<ffffffffa03ad38c>] i915_driver_load+0xe3c/0xe70 [i915]
  Nov 19 15:27:11 s1mt02 kernel: [   11.902348]  [<ffffffffa02ded12>] drm_dev_register+0xa2/0x1e0 [drm]
  Nov 19 15:27:11 s1mt02 kernel: [   11.902358]  [<ffffffffa02e0c12>] drm_get_pci_dev+0x92/0x140 [drm]
  Nov 19 15:27:11 s1mt02 kernel: [   11.902376]  [<ffffffffa03a95fc>] i915_pci_probe+0x3c/0x90 [i915]
  Nov 19 15:27:11 s1mt02 kernel: [   11.902379]  [<ffffffff813a8a65>] local_pci_probe+0x45/0xa0
  Nov 19 15:27:11 s1mt02 kernel: [   11.902381]  [<ffffffff813a9d05>] ? pci_match_device+0xc5/0xd0
  Nov 19 15:27:11 s1mt02 kernel: [   11.902383]  [<ffffffff813a9e29>] pci_device_probe+0xd9/0x130
  Nov 19 15:27:11 s1mt02 kernel: [   11.902386]  [<ffffffff81495fad>] driver_probe_device+0x12d/0x3e0
  Nov 19 15:27:11 s1mt02 kernel: [   11.902388]  [<ffffffff81496333>] __driver_attach+0x93/0xa0
  Nov 19 15:27:11 s1mt02 kernel: [   11.902389]  [<ffffffff814962a0>] ? __device_attach+0x40/0x40
  Nov 19 15:27:11 s1mt02 kernel: [   11.902391]  [<ffffffff81493f13>] bus_for_each_dev+0x63/0xa0
  Nov 19 15:27:11 s1mt02 kernel: [   11.902393]  [<ffffffff8149595e>] driver_attach+0x1e/0x20
  Nov 19 15:27:11 s1mt02 kernel: [   11.902395]  [<ffffffff81495540>] bus_add_driver+0x180/0x250
  Nov 19 15:27:11 s1mt02 kernel: [   11.902397]  [<ffffffffa046a000>] ? 0xffffffffa0469fff
  Nov 19 15:27:11 s1mt02 kernel: [   11.902399]  [<ffffffff814969b4>] driver_register+0x64/0xf0
  Nov 19 15:27:11 s1mt02 kernel: [   11.902401]  [<ffffffffa046a000>] ? 0xffffffffa0469fff
  Nov 19 15:27:11 s1mt02 kernel: [   11.902403]  [<ffffffff813a83fc>] __pci_register_driver+0x4c/0x50
  Nov 19 15:27:11 s1mt02 kernel: [   11.902413]  [<ffffffffa02e0dda>] drm_pci_init+0x11a/0x130 [drm]
  Nov 19 15:27:11 s1mt02 kernel: [   11.902415]  [<ffffffffa046a000>] ? 0xffffffffa0469fff
  Nov 19 15:27:11 s1mt02 kernel: [   11.902430]  [<ffffffffa046a06a>] i915_init+0x6a/0x6c [i915]
  Nov 19 15:27:11 s1mt02 kernel: [   11.902433]  [<ffffffff8100214a>] do_one_initcall+0xfa/0x1b0
  Nov 19 15:27:11 s1mt02 kernel: [   11.902436]  [<ffffffff810598b3>] ? set_memory_nx+0x43/0x50
  Nov 19 15:27:11 s1mt02 kernel: [   11.902439]  [<ffffffff810e21dd>] load_module+0x12dd/0x1b40
  Nov 19 15:27:11 s1mt02 kernel: [   11.902442]  [<ffffffff810ddc70>] ? store_uevent+0x40/0x40
  Nov 19 15:27:11 s1mt02 kernel: [   11.902444]  [<ffffffff810e2bb6>] SyS_finit_module+0x86/0xb0
  Nov 19 15:27:11 s1mt02 kernel: [   11.902447]  [<ffffffff8172f7ed>] system_call_fastpath+0x1a/0x1f
  Nov 19 15:27:11 s1mt02 kernel: [   11.902448] ---[ end trace f45ec971ff663fee ]---
  Nov 19 15:27:11 s1mt02 kernel: [   11.902449] ------------[ cut here ]------------
  Nov 19 15:27:11 s1mt02 kernel: [   11.902471] WARNING: CPU: 0 PID: 553 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:4199 intel_modeset_check_state+0x74d/0x780 [i915]()
  Nov 19 15:27:11 s1mt02 kernel: [   11.902471] active connector not linked to encoder
  [...]
  Nov 19 15:27:11 s1mt02 kernel: [   11.902757] ---[ end trace f45ec971ff663fef ]---
  Nov 19 15:27:11 s1mt02 kernel: [   11.902763] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.907098] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 03 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.907101] [drm:check_encoder_state], [ENCODER:6:DAC-6]
  Nov 19 15:27:11 s1mt02 kernel: [   11.907103] [drm:check_encoder_state], [ENCODER:7:DAC-7]
  Nov 19 15:27:11 s1mt02 kernel: [   11.907107] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.911508] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 03 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.911510] [drm:check_crtc_state], [CRTC:3]
  Nov 19 15:27:11 s1mt02 kernel: [   11.911518] [drm:intel_sdvo_debug_write], SDVOB: W: 04                         (SDVO_CMD_GET_ACTIVE_OUTPUTS)
  Nov 19 15:27:11 s1mt02 kernel: [   11.915848] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 03 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.915853] [drm:intel_sdvo_debug_write], SDVOB: W: 12                         (SDVO_CMD_GET_INPUT_TIMINGS_PART1)
  Nov 19 15:27:11 s1mt02 kernel: [   11.925779] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 48 3F 40 30 62 B0 32 40
  Nov 19 15:27:11 s1mt02 kernel: [   11.925783] [drm:intel_sdvo_debug_write], SDVOB: W: 13                         (SDVO_CMD_GET_INPUT_TIMINGS_PART2)
  Nov 19 15:27:11 s1mt02 kernel: [   11.935960] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 40 C0 13 00 1E 00 00 00
  Nov 19 15:27:11 s1mt02 kernel: [   11.935966] [drm:intel_sdvo_debug_write], SDVOB: W: 20                         (SDVO_CMD_GET_CLOCK_RATE_MULT)
  Nov 19 15:27:11 s1mt02 kernel: [   11.939383] [drm:intel_sdvo_read_response], SDVOB: R: (Success) 01
  Nov 19 15:27:11 s1mt02 kernel: [   11.939387] [drm:check_crtc_state], [CRTC:4]
  Nov 19 15:27:11 s1mt02 kernel: [   11.939393] [drm:intel_crtc_set_config], [CRTC:4] [NOFB]
  Nov 19 15:27:11 s1mt02 kernel: [   11.939395] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:4], mode_changed=0, fb_changed=0
  Nov 19 15:27:11 s1mt02 kernel: [   11.939398] [drm:intel_modeset_stage_output_state], [CONNECTOR:8:DVI-D-1] to [CRTC:3]
  Nov 19 15:27:11 s1mt02 kernel: [   11.939428] Console: switching to colour frame buffer device 200x75
  Nov 19 15:27:11 s1mt02 kernel: [   11.939439] [drm:intel_crtc_set_config], [CRTC:3] [FB:32] #connectors=1 (x y) (0 0)
  Nov 19 15:27:11 s1mt02 kernel: [   11.939442] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=0, fb_changed=0
  Nov 19 15:27:11 s1mt02 kernel: [   11.939443] [drm:intel_modeset_stage_output_state], [CONNECTOR:8:DVI-D-1] to [CRTC:3]
  Nov 19 15:27:11 s1mt02 kernel: [   11.945092] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
  Nov 19 15:27:11 s1mt02 kernel: [   11.945094] i915 0000:00:02.0: registered panic notifier
  Nov 19 15:27:11 s1mt02 kernel: [   11.945167] [drm:intel_crtc_set_config], [CRTC:3] [FB:32] #connectors=1 (x y) (0 0)
  Nov 19 15:27:11 s1mt02 kernel: [   11.945176] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
  Nov 19 15:27:11 s1mt02 kernel: [   11.946094] snd_hda_intel 0000:00:1b.0: irq 44 for MSI/MSI-X
  Nov 19 15:27:11 s1mt02 kernel: [   11.946152] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=0, fb_changed=0
  Nov 19 15:27:11 s1mt02 kernel: [   11.946156] [drm:intel_modeset_stage_output_state], [CONNECTOR:8:DVI-D-1] to [CRTC:3]
  Nov 19 15:27:11 s1mt02 kernel: [   11.958010] [drm:intel_crtc_set_config], [CRTC:3] [FB:32] #connectors=1 (x y) (0 0)
  Nov 19 15:27:11 s1mt02 kernel: [   11.958014] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=0, fb_changed=0
  Nov 19 15:27:11 s1mt02 kernel: [   11.958017] [drm:intel_modeset_stage_output_state], [CONNECTOR:8:DVI-D-1] to [CRTC:3]
  Nov 19 15:27:11 s1mt02 kernel: [   12.026671] [drm:intel_crtc_set_config], [CRTC:3] [FB:32] #connectors=1 (x y) (0 0)
  Nov 19 15:27:11 s1mt02 kernel: [   12.026676] [drm:intel_set_config_compute_mode_changes], computed changes for [CRTC:3], mode_changed=0, fb_changed=0
  Nov 19 15:27:11 s1mt02 kernel: [   12.026679] [drm:intel_modeset_stage_output_state], [CONNECTOR:8:DVI-D-1] to [CRTC:3]

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Follow ups

[Bug 1396961] Re: WARNING: wrong connector dpms state (Intel 82946GZ/GL, 8086:2972)
From: Launchpad Bug Tracker, 2015-01-27
[Bug 1396961] Re: WARNING: wrong connector dpms state (Intel 82946GZ/GL, 8086:2972)
From: Christopher M. Penalver, 2014-11-27
[Bug 1396961] Re: WARNING: wrong connector dpms state (Intel 82946GZ/GL, 8086:2972)
From: Christopher M. Penalver, 2014-11-27
[Bug 1396961] Re: WARNING: wrong connector dpms state (Intel 82946GZ/GL, 8086:2972)
From: Sergio Gelato, 2014-11-27
[Bug 1396961] Missing required logs.
From: Brad Figg, 2014-11-27
[Bug 1396961] [NEW] WARNING: wrong connector dpms state (Intel 82946GZ/GL, 8086:2972)
From: Sergio Gelato, 2014-11-27
References

[Bug 1396961] [NEW] WARNING: wrong connector dpms state (Intel 82946GZ/GL, 8086:2972)
From: Sergio Gelato, 2014-11-27