[Bug 925098] Re: [precise] bad interplay between X driver and 3.2.0 kernel

[Joseph Salisbury]

Hi Jamie,

Thanks for the update.  Its interesting the bug exists in 3.1 as well.
Can you test the following two kernels and see if the bug exists in
either or both?

v3.0.28
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.0.28-oneiric/

v3.1.1
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.1.1-oneiric/

Thanks again for all the help testing.

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Title:
  [precise] bad interplay between X driver and 3.2.0 kernel

Status in “grub2” package in Ubuntu:
  Invalid
Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Updated 2012/04/05:

  On 11.10 and earlier, if I used a default /etc/default/grub file, the
  kernel would boot fine and X would run fine.

  After upgrading to 12.04 today, I found that while lightdm would come
  up, after I logged into the desktop X was horribly broken with
  flashing colors and the like. This was my only clue in kern.log:

  Feb  1 14:12:58 harry kernel: [   33.626782] [drm:drm_mode_getfb]
  *ERROR* invalid framebuffer id

  I verified that booting into the 11.10 kernel on precise works as
  expected: I can always login to the desktop whether I access the grub
  menu or not.

  Occasionally I am able to login to the desktop (1 out of 7 times).
  Warm vs cold reboots does not seem to matter. Waiting to login to
  lightdm seems to increase my chances of a successful login to a
  functionaly desktop.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-12-generic-pae 3.2.0-12.21
  ProcVersionSignature: Ubuntu 3.2.0-12.21-generic-pae 3.2.2
  Uname: Linux 3.2.0-12-generic-pae i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  AplayDevices: aplay: device_list:242: no soundcards found...
  ApportVersion: 1.91-0ubuntu1
  Architecture: i386
  ArecordDevices: arecord: device_list:242: no soundcards found...
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D2', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Date: Wed Feb  1 14:26:34 2012
  HibernationDevice: RESUME=UUID=cff0bc83-50c8-4d48-9481-d28efd2e9380
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
  IwConfig:
   lo        no wireless extensions.

   vboxnet0  no wireless extensions.

   eth0      no wireless extensions.
  ProcEnviron:
   LC_CTYPE=en_US.UTF-8
   LC_COLLATE=en_US.UTF-8
   LANG=en_US.UTF-8
   LC_MESSAGES=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-12-generic-pae root=UUID=c646f9ef-dc15-4a2a-9dc9-649a5a03589a ro quiet splash vt.handoff=7
  PulseSinks: Error: command ['pacmd', 'list-sinks'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  PulseSources: Error: command ['pacmd', 'list-sources'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-12-generic-pae N/A
   linux-backports-modules-3.2.0-12-generic-pae  N/A
   linux-firmware                                1.68
  RfKill:

  SourcePackage: linux
  StagingDrivers: mei
  UpgradeStatus: Upgraded to precise on 2012-02-01 (0 days ago)
  dmi.bios.date: 08/04/2006
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: CO96510J.86A.4462.2006.0804.2059
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: DQ965GF
  dmi.board.vendor: Intel Corporation
  dmi.board.version: AAD41676-400
  dmi.chassis.type: 2
  dmi.modalias: dmi:bvnIntelCorp.:bvrCO96510J.86A.4462.2006.0804.2059:bd08/04/2006:svn:pn:pvr:rvnIntelCorporation:rnDQ965GF:rvrAAD41676-400:cvn:ct2:cvr:

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