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[Bug 1560524] Re: Latitude E7470 crashes in DRM driver after connecting to DELL EPORT docking station

 

I had upgraded BIOS to 1.4.2, still hangs on 15.10 (kernel release Linux
sashas-work 4.2.0-30-generic )

BIOS Information
	Vendor: Dell Inc.
	Version: 1.4.2
	Release Date: 03/04/2016
	Address: 0xF0000
	Runtime Size: 64 kB
	ROM Size: 16384 kB
	Characteristics:
		PCI is supported
		PNP is supported
		BIOS is upgradeable
		BIOS shadowing is allowed
		Boot from CD is supported
		Selectable boot is supported
		EDD is supported
		5.25"/1.2 MB floppy services are supported (int 13h)
		3.5"/720 kB floppy services are supported (int 13h)
		3.5"/2.88 MB floppy services are supported (int 13h)
		Print screen service is supported (int 5h)
		8042 keyboard services are supported (int 9h)
		Serial services are supported (int 14h)
		Printer services are supported (int 17h)
		ACPI is supported
		USB legacy is supported
		Smart battery is supported
		BIOS boot specification is supported
		Function key-initiated network boot is supported
		Targeted content distribution is supported
		UEFI is supported
	BIOS Revision: 1.4

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https://bugs.launchpad.net/bugs/1560524

Title:
  Latitude E7470 crashes in DRM driver after connecting to DELL EPORT
  docking station

Status in linux package in Ubuntu:
  Confirmed
Status in xserver-xorg-video-intel package in Ubuntu:
  Incomplete

Bug description:
  After attaching  latitude E7470 laptop running 
  Linux sashas-work 4.2.0-30-generic #36-Ubuntu SMP Fri Feb 26 00:58:07 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

  Distributor ID:	Ubuntu
  Description:	Ubuntu 15.10
  Release:	15.10
  Codename:	wily

  
  modinfo i915
  filename:       /lib/modules/4.2.0-30-generic/updates/dkms/i915.ko
  license:        GPL and additional rights
  description:    Intel Graphics
  author:         Intel Corporation
  author:         Tungsten Graphics, Inc.
  firmware:       i915/skl_dmc_ver1.bin
  srcversion:     D8F27CD62AA99DAC898A0F1
  alias:          pci:v00008086d00005A84sv*sd*bc03sc*i*
  alias:          pci:v00008086d00001A84sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000A84sv*sd*bc03sc*i*
  alias:          pci:v00008086d0000192Asv*sd*bc03sc*i*
  alias:          pci:v00008086d0000192Bsv*sd*bc03sc*i*
  alias:          pci:v00008086d00001926sv*sd*bc03sc*i*
  alias:          pci:v00008086d0000191Dsv*sd*bc03sc*i*
  alias:          pci:v00008086d0000191Asv*sd*bc03sc*i*
  alias:          pci:v00008086d0000191Bsv*sd*bc03sc*i*
  alias:          pci:v00008086d00001912sv*sd*bc03sc*i*
  alias:          pci:v00008086d0000191Esv*sd*bc03sc*i*
  alias:          pci:v00008086d00001921sv*sd*bc03sc*i*
  alias:          pci:v00008086d00001916sv*sd*bc03sc*i*
  alias:          pci:v00008086d0000190Asv*sd*bc03sc*i*
  alias:          pci:v00008086d0000190Bsv*sd*bc03sc*i*
  alias:          pci:v00008086d00001902sv*sd*bc03sc*i*
  alias:          pci:v00008086d0000190Esv*sd*bc03sc*i*
  alias:          pci:v00008086d00001906sv*sd*bc03sc*i*
  alias:          pci:v00008086d000022B3sv*sd*bc03sc*i*
  alias:          pci:v00008086d000022B2sv*sd*bc03sc*i*
  alias:          pci:v00008086d000022B1sv*sd*bc03sc*i*
  alias:          pci:v00008086d000022B0sv*sd*bc03sc*i*
  alias:          pci:v00008086d0000162Dsv*sd*bc03sc*i*
  alias:          pci:v00008086d0000162Asv*sd*bc03sc*i*
  alias:          pci:v00008086d0000162Esv*sd*bc03sc*i*
  alias:          pci:v00008086d0000162Bsv*sd*bc03sc*i*
  alias:          pci:v00008086d00001626sv*sd*bc03sc*i*
  alias:          pci:v00008086d00001622sv*sd*bc03sc*i*
  alias:          pci:v00008086d0000161Dsv*sd*bc03sc*i*
  alias:          pci:v00008086d0000161Asv*sd*bc03sc*i*
  alias:          pci:v00008086d0000160Dsv*sd*bc03sc*i*
  alias:          pci:v00008086d0000160Asv*sd*bc03sc*i*
  alias:          pci:v00008086d0000161Esv*sd*bc03sc*i*
  alias:          pci:v00008086d0000161Bsv*sd*bc03sc*i*
  alias:          pci:v00008086d00001616sv*sd*bc03sc*i*
  alias:          pci:v00008086d00001612sv*sd*bc03sc*i*
  alias:          pci:v00008086d0000160Esv*sd*bc03sc*i*
  alias:          pci:v00008086d0000160Bsv*sd*bc03sc*i*
  alias:          pci:v00008086d00001606sv*sd*bc03sc*i*
  alias:          pci:v00008086d00001602sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000155sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000157sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000F33sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000F32sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000F31sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000F30sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000D26sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000D16sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000D06sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000A2Esv*sd*bc03sc*i*
  alias:          pci:v00008086d00000A1Esv*sd*bc03sc*i*
  alias:          pci:v00008086d00000A0Esv*sd*bc03sc*i*
  alias:          pci:v00008086d00000A26sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000A16sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000A06sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000C26sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000C16sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000C06sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000426sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000416sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000406sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000D2Esv*sd*bc03sc*i*
  alias:          pci:v00008086d00000D1Esv*sd*bc03sc*i*
  alias:          pci:v00008086d00000D0Esv*sd*bc03sc*i*
  alias:          pci:v00008086d00000D2Bsv*sd*bc03sc*i*
  alias:          pci:v00008086d00000D1Bsv*sd*bc03sc*i*
  alias:          pci:v00008086d00000D0Bsv*sd*bc03sc*i*
  alias:          pci:v00008086d00000D2Asv*sd*bc03sc*i*
  alias:          pci:v00008086d00000D1Asv*sd*bc03sc*i*
  alias:          pci:v00008086d00000D0Asv*sd*bc03sc*i*
  alias:          pci:v00008086d00000D22sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000D12sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000D02sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000A2Bsv*sd*bc03sc*i*
  alias:          pci:v00008086d00000A1Bsv*sd*bc03sc*i*
  alias:          pci:v00008086d00000A0Bsv*sd*bc03sc*i*
  alias:          pci:v00008086d00000A2Asv*sd*bc03sc*i*
  alias:          pci:v00008086d00000A1Asv*sd*bc03sc*i*
  alias:          pci:v00008086d00000A0Asv*sd*bc03sc*i*
  alias:          pci:v00008086d00000A22sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000A12sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000A02sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000C2Esv*sd*bc03sc*i*
  alias:          pci:v00008086d00000C1Esv*sd*bc03sc*i*
  alias:          pci:v00008086d00000C0Esv*sd*bc03sc*i*
  alias:          pci:v00008086d00000C2Bsv*sd*bc03sc*i*
  alias:          pci:v00008086d00000C1Bsv*sd*bc03sc*i*
  alias:          pci:v00008086d00000C0Bsv*sd*bc03sc*i*
  alias:          pci:v00008086d00000C2Asv*sd*bc03sc*i*
  alias:          pci:v00008086d00000C1Asv*sd*bc03sc*i*
  alias:          pci:v00008086d00000C0Asv*sd*bc03sc*i*
  alias:          pci:v00008086d00000C22sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000C12sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000C02sv*sd*bc03sc*i*
  alias:          pci:v00008086d0000042Esv*sd*bc03sc*i*
  alias:          pci:v00008086d0000041Esv*sd*bc03sc*i*
  alias:          pci:v00008086d0000040Esv*sd*bc03sc*i*
  alias:          pci:v00008086d0000042Bsv*sd*bc03sc*i*
  alias:          pci:v00008086d0000041Bsv*sd*bc03sc*i*
  alias:          pci:v00008086d0000040Bsv*sd*bc03sc*i*
  alias:          pci:v00008086d0000042Asv*sd*bc03sc*i*
  alias:          pci:v00008086d0000041Asv*sd*bc03sc*i*
  alias:          pci:v00008086d0000040Asv*sd*bc03sc*i*
  alias:          pci:v00008086d00000422sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000412sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000402sv*sd*bc03sc*i*
  alias:          pci:v00008086d0000016Asv*sd*bc03sc*i*
  alias:          pci:v00008086d0000015Asv*sd*bc03sc*i*
  alias:          pci:v00008086d00000162sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000152sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000166sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000156sv*sd*bc03sc*i*
  alias:          pci:v00008086d0000016Asv0000152Dsd00008990bc03sc*i*
  alias:          pci:v00008086d00000126sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000116sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000106sv*sd*bc03sc*i*
  alias:          pci:v00008086d0000010Asv*sd*bc03sc*i*
  alias:          pci:v00008086d00000122sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000112sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000102sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000046sv*sd*bc03sc*i*
  alias:          pci:v00008086d00000042sv*sd*bc03sc*i*
  alias:          pci:v00008086d0000A011sv*sd*bc03sc*i*
  alias:          pci:v00008086d0000A001sv*sd*bc03sc*i*
  alias:          pci:v00008086d00002E92sv*sd*bc03sc*i*
  alias:          pci:v00008086d00002E42sv*sd*bc03sc*i*
  alias:          pci:v00008086d00002E32sv*sd*bc03sc*i*
  alias:          pci:v00008086d00002E22sv*sd*bc03sc*i*
  alias:          pci:v00008086d00002E12sv*sd*bc03sc*i*
  alias:          pci:v00008086d00002E02sv*sd*bc03sc*i*
  alias:          pci:v00008086d00002A42sv*sd*bc03sc*i*
  alias:          pci:v00008086d00002A12sv*sd*bc03sc*i*
  alias:          pci:v00008086d00002A02sv*sd*bc03sc*i*
  alias:          pci:v00008086d000029D2sv*sd*bc03sc*i*
  alias:          pci:v00008086d000029C2sv*sd*bc03sc*i*
  alias:          pci:v00008086d000029B2sv*sd*bc03sc*i*
  alias:          pci:v00008086d000029A2sv*sd*bc03sc*i*
  alias:          pci:v00008086d00002992sv*sd*bc03sc*i*
  alias:          pci:v00008086d00002982sv*sd*bc03sc*i*
  alias:          pci:v00008086d00002972sv*sd*bc03sc*i*
  alias:          pci:v00008086d000027AEsv*sd*bc03sc*i*
  alias:          pci:v00008086d000027A2sv*sd*bc03sc*i*
  alias:          pci:v00008086d00002772sv*sd*bc03sc*i*
  alias:          pci:v00008086d00002592sv*sd*bc03sc*i*
  alias:          pci:v00008086d0000258Asv*sd*bc03sc*i*
  alias:          pci:v00008086d00002582sv*sd*bc03sc*i*
  alias:          pci:v00008086d00002572sv*sd*bc03sc*i*
  alias:          pci:v00008086d0000358Esv*sd*bc03sc*i*
  alias:          pci:v00008086d00003582sv*sd*bc03sc*i*
  alias:          pci:v00008086d00002562sv*sd*bc03sc*i*
  alias:          pci:v00008086d00003577sv*sd*bc03sc*i*
  depends:        drm_kms_helper,drm,video,i2c-algo-bit
  vermagic:       4.2.0-30-generic SMP mod_unload modversions 
  parm:           modeset:Use kernel modesetting [KMS] (0=disable, 1=on, -1=force vga console preference [default]) (int)
  parm:           panel_ignore_lid:Override lid status (0=autodetect, 1=autodetect disabled [default], -1=force lid closed, -2=force lid open) (int)
  parm:           semaphores:Use semaphores for inter-ring sync (default: -1 (use per-chip defaults)) (int)
  parm:           enable_rc6:Enable power-saving render C-state 6. Different stages can be selected via bitmask values (0 = disable; 1 = enable rc6; 2 = enable deep rc6; 4 = enable deepest rc6). For example, 3 would enable rc6 and deep rc6, and 7 would enable everything. default: -1 (use per-chip default) (int)
  parm:           enable_dc:Enable power-saving display C-states. (-1=auto [default]; 0=disable; 1=up to DC5; 2=up to DC6) (int)
  parm:           enable_fbc:Enable frame buffer compression for power savings (default: -1 (use per-chip default)) (int)
  parm:           lvds_channel_mode:Specify LVDS channel mode (0=probe BIOS [default], 1=single-channel, 2=dual-channel) (int)
  parm:           lvds_use_ssc:Use Spread Spectrum Clock with panels [LVDS/eDP] (default: auto from VBT) (int)
  parm:           vbt_sdvo_panel_type:Override/Ignore selection of SDVO panel mode in the VBT (-2=ignore, -1=auto [default], index in VBT BIOS table) (int)
  parm:           reset:Attempt GPU resets (default: true) (bool)
  parm:           enable_hangcheck:Periodically check GPU activity for detecting hangs. WARNING: Disabling this can cause system wide hangs. (default: true) (bool)
  parm:           enable_ppgtt:Override PPGTT usage. (-1=auto [default], 0=disabled, 1=aliasing, 2=full) (int)
  parm:           enable_execlists:Override execlists usage. (-1=auto [default], 0=disabled, 1=enabled) (int)
  parm:           enable_psr:Enable PSR (default: false) (int)
  parm:           preliminary_hw_support:Enable preliminary hardware support. (int)
  parm:           disable_power_well:Disable the power well when possible (default: true) (int)
  parm:           enable_ips:Enable IPS (default: true) (int)
  parm:           fastboot:Try to skip unnecessary mode sets at boot time (default: false) (bool)
  parm:           prefault_disable:Disable page prefaulting for pread/pwrite/reloc (default:false). For developers only. (bool)
  parm:           load_detect_test:Force-enable the VGA load detect code for testing (default:false). For developers only. (bool)
  parm:           invert_brightness:Invert backlight brightness (-1 force normal, 0 machine defaults, 1 force inversion), please report PCI device ID, subsystem vendor and subsystem device ID to dri-devel@xxxxxxxxxxxxxxxxxxxxx, if your machine needs it. It will then be included in an upcoming module version. (int)
  parm:           disable_display:Disable display (default: false) (bool)
  parm:           disable_vtd_wa:Disable all VT-d workarounds (default: false) (bool)
  parm:           enable_cmd_parser:Enable command parsing (1=enabled [default], 0=disabled) (int)
  parm:           use_mmio_flip:use MMIO flips (-1=never, 0=driver discretion [default], 1=always) (int)
  parm:           mmio_debug:Enable the MMIO debug code for the first N failures (default: off). This may negatively affect performance. (int)
  parm:           verbose_state_checks:Enable verbose logs (ie. WARN_ON()) in case of unexpected hw state conditions. (bool)
  parm:           edp_vswing:Ignore/Override vswing pre-emph table selection from VBT (0=use value from vbt [default], 1=low power swing(200mV),2=default swing(400mV)) (int)
  parm:           enable_guc_submission:Enable GuC submission (default:false) (bool)
  parm:           guc_log_level:GuC firmware logging level (-1:disabled (default), 0-3:enabled) (int)


  sashas@sashas-work:~$ modinfo drm
  filename:       /lib/modules/4.2.0-30-generic/updates/dkms/drm.ko
  license:        GPL and additional rights
  description:    DRM shared core routines
  author:         Gareth Hughes, Leif Delgass, José Fonseca, Jon Smirl
  license:        GPL and additional rights
  description:    DRM bridge infrastructure
  author:         Ajay Kumar <ajaykumar.rs@xxxxxxxxxxx>
  license:        GPL and additional rights
  description:    DRM panel infrastructure
  author:         Thierry Reding <treding@xxxxxxxxxx>
  srcversion:     813F2797A8E0182EAA7D2D5
  depends:        
  vermagic:       4.2.0-30-generic SMP mod_unload modversions 
  parm:           edid_fixup:Minimum number of valid EDID header bytes (0-8, default 6) (int)
  parm:           debug:Enable debug output (int)
  parm:           vblankoffdelay:Delay until vblank irq auto-disable [msecs] (0: never disable, <0: disable immediately) (int)
  parm:           timestamp_precision_usec:Max. error on timestamps [usecs] (int)
  parm:           timestamp_monotonic:Use monotonic timestamps (int)

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: gnome-terminal 3.16.2-1ubuntu4
  ProcVersionSignature: Ubuntu 4.2.0-30.36-generic 4.2.8-ckt3
  Uname: Linux 4.2.0-30-generic x86_64
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Tue Mar 22 16:50:40 2016
  ExecutablePath: /usr/lib/gnome-terminal/gnome-terminal-server
  InstallationDate: Installed on 2016-03-01 (21 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  SourcePackage: gnome-terminal
  UpgradeStatus: No upgrade log present (probably fresh install)

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