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Message #182028
[Bug 1567423] Re: [drm:intel_dp_aux_ch [i915_bpo]] *ERROR* dp aux hw did not signal timeout (has irq: 1)!
blabber, in addition to https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1567423/comments/4 , could you please execute the following command only once, as it will automatically gather debugging information, in a terminal:
apport-collect 1567423
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https://bugs.launchpad.net/bugs/1567423
Title:
[drm:intel_dp_aux_ch [i915_bpo]] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
Status in linux package in Ubuntu:
Incomplete
Bug description:
Hi,
I'm using a new Skylake Thinkpad T460s with and external monitor
connected via Displayport and Ubuntu 16.04 and the latest kernel as of
today: Linux test 4.4.0-17-generic #33-Ubuntu SMP Tue Mar 29 17:17:28
UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
X will from time to time lock up when the computer is left idle for a
long time and both displays (laptop and external) go to sleep and then
woken up.
Apr 6 16:50:29 test kernel: [33353.303816] [drm:intel_dp_aux_ch [i915_bpo]] *ERROR* dp aux hw did not signal timeout (has irq: 1)!
Apr 6 16:50:29 test kernel: [33353.319720] [drm:intel_dp_aux_ch [i915_bpo]] *ERROR* dp aux hw did not signal timeout (has irq: 1)!
Apr 6 16:50:29 test kernel: [33353.335677] [drm:intel_dp_aux_ch [i915_bpo]] *ERROR* dp aux hw did not signal timeout (has irq: 1)!
Apr 6 16:50:29 test kernel: [33353.351668] [drm:intel_dp_aux_ch [i915_bpo]] *ERROR* dp aux hw did not signal timeout (has irq: 1)!
Apr 6 16:50:29 test kernel: [33353.367677] [drm:intel_dp_aux_ch [i915_bpo]] *ERROR* dp aux hw did not signal timeout (has irq: 1)!
Apr 6 16:50:29 test kernel: [33353.367692] [drm:intel_dp_aux_ch [i915_bpo]] *ERROR* dp_aux_ch not done status 0xad40001f
Apr 6 16:50:29 test kernel: [33353.391660] ------------[ cut here ]------------
Apr 6 16:50:29 test kernel: [33353.391686] WARNING: CPU: 3 PID: 1153 at /build/linux-bi18CQ/linux-4.4.0/ubuntu/i915/intel_dp.c:833 intel_dp_aux_ch+0xff/0x6b0 [i915_bpo]()
Apr 6 16:50:29 test kernel: [33353.391687] dp_aux_ch not started status 0xad40001f
Apr 6 16:50:29 test kernel: [33353.391688] Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c msr acpi_call(OE) pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) bnep uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core v4l2_common videodev media snd_usb_audio snd_usbmidi_lib btusb btrtl btbcm btintel bluetooth binfmt_misc nls_iso8859_1 arc4 iwlmvm snd_hda_codec_hdmi mac80211 snd_hda_codec_realtek intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_generic snd_soc_skl snd_soc_skl_ipc iwlwifi snd_hda_ext_core snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine dw_dmac_core snd_hda_intel snd_hda_codec snd_hda_core joydev input_leds snd_hwdep serio_raw snd_pcm cfg80211 thinkpad_acpi snd_seq_midi snd_seq_midi_event nvram snd_rawmidi rtsx_pci_ms snd_seq memstick mei_me snd_seq_device mei shpchp snd_timer snd soundcore tpm_crb mac_hid kvm_intel kvm irqbypass parport_pc ppdev lp parport autofs4 drbg ansi_cprng algif_skcipher af_alg dm_crypt hid_microsoft hid_generic usbhid hid rtsx_pci_sdmmc crct10dif_pclmul crc32_pclmul i915_bpo aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd intel_ips i2c_algo_bit drm_kms_helper syscopyarea sysfillrect psmouse e1000e sysimgblt fb_sys_fops ptp pps_core drm nvme rtsx_pci wmi video fjes
Apr 6 16:50:29 test kernel: [33353.391745] CPU: 3 PID: 1153 Comm: Xorg Tainted: G W OE 4.4.0-16-generic #32-Ubuntu
Apr 6 16:50:29 test kernel: [33353.391746] Hardware name: LENOVO 20F9CTO1WW/20F9CTO1WW, BIOS N1CET40W (1.08 ) 03/09/2016
Apr 6 16:50:29 test kernel: [33353.391747] 0000000000000286 0000000077d2ff7a ffff8800350338d0 ffffffff813e9143
Apr 6 16:50:29 test kernel: [33353.391749] ffff880035033918 ffffffffc0376700 ffff880035033908 ffffffff8107ff22
Apr 6 16:50:29 test kernel: [33353.391751] 00000000ad40001f ffff880501d50000 00000000fffffff0 0000000000000005
Apr 6 16:50:29 test kernel: [33353.391752] Call Trace:
Apr 6 16:50:29 test kernel: [33353.391756] [<ffffffff813e9143>] dump_stack+0x63/0x90
Apr 6 16:50:29 test kernel: [33353.391759] [<ffffffff8107ff22>] warn_slowpath_common+0x82/0xc0
Apr 6 16:50:29 test kernel: [33353.391761] [<ffffffff8107ffbc>] warn_slowpath_fmt+0x5c/0x80
Apr 6 16:50:29 test kernel: [33353.391778] [<ffffffffc032890f>] intel_dp_aux_ch+0xff/0x6b0 [i915_bpo]
Apr 6 16:50:29 test kernel: [33353.391780] [<ffffffff810c2af0>] ? wake_atomic_t_function+0x60/0x60
Apr 6 16:50:29 test kernel: [33353.391795] [<ffffffffc0328fff>] intel_dp_aux_transfer+0x13f/0x220 [i915_bpo]
Apr 6 16:50:29 test kernel: [33353.391809] [<ffffffffc02e2728>] ? gen9_read32+0x128/0x390 [i915_bpo]
Apr 6 16:50:29 test kernel: [33353.391813] [<ffffffffc0171cc4>] drm_dp_dpcd_access+0x64/0x110 [drm_kms_helper]
Apr 6 16:50:29 test kernel: [33353.391817] [<ffffffffc0171e8b>] drm_dp_dpcd_write+0x1b/0x20 [drm_kms_helper]
Apr 6 16:50:29 test kernel: [33353.391831] [<ffffffffc032aedd>] intel_dp_sink_dpms+0x4d/0xe0 [i915_bpo]
Apr 6 16:50:29 test kernel: [33353.391844] [<ffffffffc0322b10>] intel_ddi_pre_enable+0x110/0x150 [i915_bpo]
Apr 6 16:50:29 test kernel: [33353.391858] [<ffffffffc03061d1>] haswell_crtc_enable+0x2b1/0x8c0 [i915_bpo]
Apr 6 16:50:29 test kernel: [33353.391869] [<ffffffffc029f6c8>] ? intel_power_well_enable+0x28/0x50 [i915_bpo]
Apr 6 16:50:29 test kernel: [33353.391883] [<ffffffffc0302f14>] intel_atomic_commit+0x714/0xab0 [i915_bpo]
Apr 6 16:50:29 test kernel: [33353.391896] [<ffffffffc007891e>] ? drm_atomic_check_only+0x18e/0x590 [drm]
Apr 6 16:50:29 test kernel: [33353.391906] [<ffffffffc0078d57>] drm_atomic_commit+0x37/0x60 [drm]
Apr 6 16:50:29 test kernel: [33353.391910] [<ffffffffc017c846>] drm_atomic_helper_set_config+0x76/0xb0 [drm_kms_helper]
Apr 6 16:50:29 test kernel: [33353.391919] [<ffffffffc0067eb2>] drm_mode_set_config_internal+0x62/0x100 [drm]
Apr 6 16:50:29 test kernel: [33353.391927] [<ffffffffc006c3d2>] drm_mode_setcrtc+0x3d2/0x4f0 [drm]
Apr 6 16:50:29 test kernel: [33353.391934] [<ffffffffc005d752>] drm_ioctl+0x152/0x540 [drm]
Apr 6 16:50:29 test kernel: [33353.391942] [<ffffffffc006c000>] ? drm_mode_setplane+0x1b0/0x1b0 [drm]
Apr 6 16:50:29 test kernel: [33353.391945] [<ffffffff8121f6fc>] do_vfs_ioctl+0x2ac/0x4a0
Apr 6 16:50:29 test kernel: [33353.391947] [<ffffffff8108d071>] ? __set_task_blocked+0x41/0xa0
Apr 6 16:50:29 test kernel: [33353.391948] [<ffffffff8108fa16>] ? __set_current_blocked+0x36/0x60
Apr 6 16:50:29 test kernel: [33353.391950] [<ffffffff8121f969>] SyS_ioctl+0x79/0x90
Apr 6 16:50:29 test kernel: [33353.391952] [<ffffffff81824ef2>] entry_SYSCALL_64_fastpath+0x16/0x71
Apr 6 16:50:29 test kernel: [33353.391954] ---[ end trace fd3ca8d6331f649f ]---
Apr 6 16:50:34 test kernel: [33357.975879] [drm:intel_dp_link_training_clock_recovery [i915_bpo]] *ERROR* failed to enable link training
Apr 6 16:50:35 test kernel: [33358.743909] [drm:intel_dp_start_link_train [i915_bpo]] *ERROR* failed to start channel equalization
Apr 6 16:50:35 test kernel: [33359.597556] ------------[ cut here ]------------
Attached is the full kernel log from boot until the issue happens, at which point, if I have a lockup of X I need to reboot to get back to normal.
I don't know if this particular bug I'm reporting is the one
responsible for the lockups, as I've isolated 4 different
warning/error messages which separately or in combination may be the
cause. I'm reporting all of them now in separate bug reports.
Please let me know if any information is missing.
# lspci
00:00.0 Host bridge: Intel Corporation Sky Lake Host Bridge/DRAM Registers (rev 08)
00:02.0 VGA compatible controller: Intel Corporation Sky Lake Integrated Graphics (rev 07)
00:08.0 System peripheral: Intel Corporation Sky Lake Gaussian Mixture Model
00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21)
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21)
00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI (rev 21)
00:1c.0 PCI bridge: Intel Corporation Device 9d10 (rev f1)
00:1c.2 PCI bridge: Intel Corporation Device 9d12 (rev f1)
00:1c.4 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port (rev f1)
00:1f.0 ISA bridge: Intel Corporation Sunrise Point-LP LPC Controller (rev 21)
00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21)
00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21)
00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)
00:1f.6 Ethernet controller: Intel Corporation Ethernet Connection I219-LM (rev 21)
02:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS522A PCI Express Card Reader (rev 01)
04:00.0 Network controller: Intel Corporation Wireless 8260 (rev 3a)
05:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller (rev 01)
# lspci -vvv
00:00.0 Host bridge: Intel Corporation Sky Lake Host Bridge/DRAM Registers (rev 08)
Subsystem: Lenovo Skylake Host Bridge/DRAM Registers
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
Capabilities: [e0] Vendor Specific Information: Len=10 <?>
00:02.0 VGA compatible controller: Intel Corporation Sky Lake Integrated Graphics (rev 07) (prog-if 00 [VGA controller])
Subsystem: Lenovo Skylake Integrated Graphics
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 133
Region 0: Memory at f0000000 (64-bit, non-prefetchable) [size=16M]
Region 2: Memory at e0000000 (64-bit, prefetchable) [size=256M]
Region 4: I/O ports at e000 [size=64]
Expansion ROM at <unassigned> [disabled]
Capabilities: [40] Vendor Specific Information: Len=0c <?>
Capabilities: [70] Express (v2) Root Complex Integrated Endpoint, MSI 00
DevCap: MaxPayload 128 bytes, PhantFunc 0
ExtTag- RBE+
DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
MaxPayload 128 bytes, MaxReadReq 128 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr- TransPend-
DevCap2: Completion Timeout: Not Supported, TimeoutDis-, LTR-, OBFF Not Supported
DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-, OBFF Disabled
Capabilities: [ac] MSI: Enable+ Count=1/1 Maskable- 64bit-
Address: fee00018 Data: 0000
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-
Capabilities: [100 v1] #1b
Capabilities: [200 v1] Address Translation Service (ATS)
ATSCap: Invalidate Queue Depth: 00
ATSCtl: Enable-, Smallest Translation Unit: 00
Capabilities: [300 v1] #13
Kernel driver in use: i915_bpo
Kernel modules: i915_bpo
# for file in /sys/module/i915_bpo/parameters/*; do echo -en $file"\t"; cat $file; done;
/sys/module/i915_bpo/parameters/disable_display N
/sys/module/i915_bpo/parameters/disable_power_well 1
/sys/module/i915_bpo/parameters/edp_vswing 0
/sys/module/i915_bpo/parameters/enable_cmd_parser 1
/sys/module/i915_bpo/parameters/enable_dc -1
/sys/module/i915_bpo/parameters/enable_execlists 1
/sys/module/i915_bpo/parameters/enable_fbc -1
/sys/module/i915_bpo/parameters/enable_guc_submission N
/sys/module/i915_bpo/parameters/enable_hangcheck Y
/sys/module/i915_bpo/parameters/enable_ips 1
/sys/module/i915_bpo/parameters/enable_ppgtt 3
/sys/module/i915_bpo/parameters/enable_psr 0
/sys/module/i915_bpo/parameters/enable_rc6 1
/sys/module/i915_bpo/parameters/fastboot N
/sys/module/i915_bpo/parameters/guc_log_level -1
/sys/module/i915_bpo/parameters/invert_brightness 0
/sys/module/i915_bpo/parameters/load_detect_test N
/sys/module/i915_bpo/parameters/lvds_channel_mode 0
/sys/module/i915_bpo/parameters/lvds_use_ssc -1
/sys/module/i915_bpo/parameters/mmio_debug 0
/sys/module/i915_bpo/parameters/modeset -1
/sys/module/i915_bpo/parameters/nuclear_pageflip N
/sys/module/i915_bpo/parameters/panel_ignore_lid 1
/sys/module/i915_bpo/parameters/prefault_disable N
/sys/module/i915_bpo/parameters/preliminary_hw_support 0
/sys/module/i915_bpo/parameters/reset Y
/sys/module/i915_bpo/parameters/semaphores -1
/sys/module/i915_bpo/parameters/use_mmio_flip 0
/sys/module/i915_bpo/parameters/vbt_sdvo_panel_type -1
/sys/module/i915_bpo/parameters/verbose_state_checks Y
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References
