[Bug 925098] Re: [precise] bad interplay between grub detected GFXMODE and 3.2.0 kernel

Fri Feb 3 12:31:21 UTC 2012

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** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

** Tags added: kernel-request-3.2.0-13.22

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https://bugs.launchpad.net/bugs/925098

Title:
  [precise] bad interplay between grub detected GFXMODE and 3.2.0 kernel

Status in “grub2” package in Ubuntu:
  New
Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  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

  So I rebooted to try the 11.10 kernel and I could login to the desktop fine with no problems. I noticed that I could not get the grub menu to show up however (I used GRUB_DEFAULT=2 in /etc/default/grub in order to boot into the 3.0.0 11.10 kernel), so I started playing with GRUB_GFXMODE. 'vbeinfo' told me the recommended setting should be "1024x768", so I tried that with no change (ie, I couldn't see the grub menu). I then used:
  GRUB_GFXMODE=640x480

  and rebooted. This time I was able to see the grub menu. So I changed
  back to GRUB_DEFAULT=0, ran update-grub and rebooted into the 12.04
  3.2.0 kernel. At this point I was able to login to the 12.04 desktop
  with the 3.2.0 kernel with no errors in kern.log.

  It appears that my hardware is reporting that 1024x768 is what should
  be used, presumably defaulting to it and then not  being initialized
  correctly/working right with the new kernel and X stack.

  At this point my system is in good order, but this was a very bad
  upgrade experience in general.

  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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