kernel-packages team mailing list archive

[Po-Hsu Lin <po-hsu.lin@xxxxxxxxxxxxx>]

Hello,
I found this issue has something to do with the "Enable Switchable Graphics" option in the BIOS
If Enabled, it will make another graphical controller (Intel) available.
And this issue would happen.

If disabled, there will be only one nVidia video there, and this won't
happen.

Verified on 201305-13527, 14.04.1 (3.13.0-44)

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https://bugs.launchpad.net/bugs/1378744

Title:
  nVidia GK106GLM [Quadro K2100M] [10de:11fc] Connect to HDMI / DP port
  with open-source driver will cause Xorg crash

Status in Accelerated Xorg driver for nVidia cards:
  Confirmed
Status in linux package in Ubuntu:
  Incomplete
Status in xserver-xorg-video-nouveau package in Ubuntu:
  New

Bug description:
  CID: 201305-13527 Dell Precision M4800

  Xorg would crash and restart (you will see the login screen again and
  again) when the HDMI / DP cable is connected to the system.

  Steps:
  1. Install 14.04 + update (3.13.0-36), boot to desktop
  2. Connect a HDMI / DP cable

  Expected result:
  * The external monitor should work

  Actual result:
  * The external monitor screen is black, and the Xorg crashed -> black screen on this laptop -> login screen shows up -> black screen... repeat.

  WORKAROUND:
  * Install the proprietary nvidia driver

  I'm not sure if this should be consider as a blocker.
  But hey, we need to certified this I+N system with the proprietary driver, I think it's OK to not to call this a blocker.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-36-generic 3.13.0-36.63
  ProcVersionSignature: Ubuntu 3.13.0-36.63-generic 3.13.11.6
  Uname: Linux 3.13.0-36-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     7071 F.... pulseaudio
                        ubuntu     7529 F.... pulseaudio
   /dev/snd/controlC1:  ubuntu     7071 F.... pulseaudio
                        ubuntu     7529 F.... pulseaudio
  CRDA:
   country TW:
   	(2402 - 2472 @ 40), (3, 27)
   	(5270 - 5330 @ 40), (3, 17), DFS
   	(5735 - 5815 @ 40), (3, 30)
  CurrentDesktop: Unity
  Date: Wed Oct  8 06:20:44 2014
  HibernationDevice: RESUME=UUID=46ed949d-eff8-48e9-b337-6425f480cf12
  InstallationDate: Installed on 2014-10-08 (0 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  MachineType: Dell Inc. Precision M4800
  ProcFB:
   0 inteldrmfb
   1 nouveaufb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-36-generic.efi.signed root=UUID=e7f55d08-44a4-447e-8fc6-563864d60df4 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-36-generic N/A
   linux-backports-modules-3.13.0-36-generic  N/A
   linux-firmware                             1.127.7
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/02/2014
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A06
  dmi.board.name: 0FVDR2
  dmi.board.vendor: Dell Inc.
  dmi.board.version: X02
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA06:bd01/02/2014:svnDellInc.:pnPrecisionM4800:pvr01:rvnDellInc.:rn0FVDR2:rvrX02:cvnDellInc.:ct9:cvr:
  dmi.product.name: Precision M4800
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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