Public bug reported:
Hi,
since I reinstalled my Ubuntu (previous version was 11.04) my window managers
have become very unstable. I believe it is nouveau's fault as I found these
lines in /var/log/kern.log:
Oct 28 18:00:50 jakob-Vostro-1500 kernel: [ 1454.599145] [drm] nouveau
0000:01:00.0: fail ttm_validate
Oct 28 18:00:50 jakob-Vostro-1500 kernel: [ 1454.599150] [drm] nouveau
0000:01:00.0: validate vram_list
Oct 28 18:00:50 jakob-Vostro-1500 kernel: [ 1454.599204] [drm] nouveau
0000:01:00.0: validate: -12
The crashes appear to be nondeterministic:
Most of the time, when I boot the system with external displays plugged into
the VGA port, something crashes. In the worst cases the whole system crashes
and only SysRq keys are working. At other times I'm still able to reach the
terminal via ctrl-alt-f1. Even if the system survived, the window manager often
later on hangs and displays false colors and sometimes recovers. The log files
automatically attached by apport should document the latter error symptom.
I'd be happy to supply more information if you can give me hints how to
gather them.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: xserver-xorg-video-nouveau 1:1.0.2-0ubuntu3
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic i686
.tmp.unity.support.test.0:
ApportVersion: 2.6.1-0ubuntu6
Architecture: i386
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
Date: Sun Oct 28 18:08:15 2012
DistUpgraded: Fresh install
DistroCodename: quantal
DistroVariant: ubuntu
DkmsStatus: virtualbox, 4.1.18, 3.5.0-17-generic, i686: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
NVIDIA Corporation G84 [GeForce 8600M GT] [10de:0407] (rev a1) (prog-if 00
[VGA controller])
Subsystem: Dell Device [1028:0228]
InstallationDate: Installed on 2012-10-05 (22 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Beta i386 (20120926)
MachineType: Dell Inc. Vostro 1500
MarkForUpload: True
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.5.0-17-generic
root=/dev/mapper/vgubuntu-linux1 ro noplymouth sysrq_always_enabled
SourcePackage: xserver-xorg-video-nouveau
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/02/2007
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A01
dmi.board.name: 0WY040
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA01:bd08/02/2007:svnDellInc.:pnVostro1500:pvr:rvnDellInc.:rn0WY040:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Vostro 1500
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.8.4-0ubuntu3
version.libdrm2: libdrm2 2.4.39-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.0-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.0-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati
1:6.99.99~git20120913.8637f772-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.9-0ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.2-0ubuntu3
** Affects: xserver-xorg-video-nouveau (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 quantal ubuntu
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https://bugs.launchpad.net/bugs/1072403
Title:
Unity and GnomeShell hang or crash with nouveau kernel error messages
"fail ttm_validate", "validate vram_list" and "validate: -12"
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