Public bug reported:
When doing certain tasks, X freezes when nouveau is in use. (nvidia is
not used, I know that because switching to a tty is fast and the tty has
the right font size). This happens maybe one or two times a day when
doing certain tasks. This time I changed the display settings in
xfce4-display settings: rotation from 'normal' to 'left' (just to try
what would happen). Also starting Opera sometimes causes the system to
freeze (Opera uses hardware acceleration AFAIK). It also happens
sometimes that revealing the launcher in Unity causes the system to
freeze.
Symptoms:
* Mouse still works, but clicking has no effect
* keyboard doesn't work, not even the Caps Lock key. Switching to another TTY
thus doen't work
* I can log in via SSH, although that is very slow. This way I have collected
the bug information (via apport-cli -f)
* It happens in both Unity and XFCE with Compiz enabled.
$ dpkg --list | grep "nvidia\|nouveau\|mesa"
ii libdrm-nouveau1a 2.4.26-1ubuntu1
Userspace interface to nouveau-specific kernel DRM
services -- runtime
ii libdrm-nouveau1a:i386 2.4.26-1ubuntu1
Userspace interface to nouveau-specific kernel DRM
services -- runtime
ii libgl1-mesa-dri 7.11-0ubuntu3
free implementation of the OpenGL API -- DRI modules
ii libgl1-mesa-glx 7.11-0ubuntu3
free implementation of the OpenGL API -- GLX runtime
rc libgl1-mesa-glx:i386 7.11-0ubuntu3
free implementation of the OpenGL API -- GLX runtime
ii libglapi-mesa 7.11-0ubuntu3
free implementation of the GL API -- shared library
rc libglapi-mesa:i386 7.11-0ubuntu3
free implementation of the GL API -- shared library
ii libglu1-mesa 7.11-0ubuntu3
Mesa OpenGL utility library (GLU)
ii mesa-utils
8.0.1+git20110129+d8f7d6b-0ubuntu2 Miscellaneous Mesa GL utilities
ii nvidia-common 1:0.2.35
Find obsolete NVIDIA drivers
rc nvidia-current-updates 280.13-0ubuntu5
NVIDIA binary Xorg driver, kernel module and VDPAU
library
ii nvidia-settings-updates 280.13-0ubuntu1
Tool of configuring the NVIDIA graphics driver
ii xserver-xorg-video-nouveau
1:0.0.16+git20110411+8378443-1 X.Org X server -- Nouveau display
driver (experimental)
$lspci | grep VGA
02:00.0 VGA compatible controller: nVidia Corporation C77 [GeForce 8200] (rev
a2)
** Affects: xserver-xorg-video-nouveau (Ubuntu)
Importance: Undecided
Status: New
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which is subscribed to xserver-xorg-video-nouveau in Ubuntu.
https://bugs.launchpad.net/bugs/923285
Title:
X freeze with nouveu when doing intensive tasks
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/923285/+subscriptions
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