Public bug reported:
You can read a little bit about my quest to get my computer back to
normal on here
http://ubuntuforums.org/showthread.php?p=11920008#post11920008
After upgrade from 11.10 to 12.04 Unity 3D was unusable and slow. I
managed to get it fixed by deleting ~/.config however after a couple of
minutes my computer freezes and the only way to get it back is using the
reset button. I can SSH from another computer and see Xorg is taking
100% of the CPU.
It seems Gnome Shell is not affected. The problem only happens in Unity
3D.
$cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=12.04
DISTRIB_CODENAME=precise
DISTRIB_DESCRIPTION="Ubuntu 12.04 LTS"
$sudo lshw -c video
*-display
description: VGA compatible controller
product: G80 [GeForce 8800 GTS]
vendor: NVIDIA Corporation
physical id: 0
bus info: pci@0000:01:00.0
version: a2
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress vga_controller bus_master cap_list rom
configuration: driver=nvidia latency=0
resources: irq:16 memory:fd000000-fdffffff memory:d0000000-dfffffff
memory:fa000000-fbffffff ioport:cc00(size=128) memory:fe8e0000-fe8fffff
$dpkg -l |grep nvidia
ii nvidia-common 1:0.2.44
Find obsolete NVIDIA drivers
ii nvidia-current 295.40-0ubuntu1
NVIDIA binary Xorg driver, kernel module and VDPAU library
ii nvidia-current-updates 295.49-0ubuntu0.1
NVIDIA binary Xorg driver, kernel module and VDPAU library
ii nvidia-settings 295.33-0ubuntu1
Tool of configuring the NVIDIA graphics driver
ii nvidia-settings-updates 295.33-0ubuntu1
Tool of configuring the NVIDIA graphics driver
$ dpkg -l |grep Xorg
ii nvidia-current 295.40-0ubuntu1
NVIDIA binary Xorg driver, kernel module and VDPAU library
ii nvidia-current-updates 295.49-0ubuntu0.1
NVIDIA binary Xorg driver, kernel module and VDPAU library
ii xserver-xorg-core 2:1.11.4-0ubuntu10.2
Xorg X server - core server
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: bot-comment
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https://bugs.launchpad.net/bugs/997075
Title:
XOrg uses 100% CPU after upgrade to 12.04 and freezes computer
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