I believe this is the 945g swizzling bug fixed in kernel 3.4, so please
update to raring.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1001326
Title:
Screen corruption
Status in “xserver-xorg-video-intel” package in Ubuntu:
Fix Released
Bug description:
On this five years old dell workstation the screen start showing some
kind of weird corrupted patterns. This corruption gets worse as time
passes by. A reboot solves it for a while.
The corruption can be seen in the Unity tooltips and in the
wallpapers. It can also be seen in the icons shown during Alt+tab.
Description: Ubuntu 12.04 LTS
Release: 12.04
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: xorg 1:7.6+12ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.0.1-0ubuntu5
Architecture: amd64
CompizPlugins:
[core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
CompositorRunning: compiz
CurrentDmesg:
[ 105.467156] type=1400 audit(1337347785.933:27): apparmor="DENIED"
operation="open" parent=1 profile="/usr/lib/telepathy/mission-control-5"
name="/usr/share/gvfs/remote-volume-monitors/" pid=1635 comm="mission-control"
requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
[ 235.609175] tg3 0000:01:00.0: eth0: Link is up at 100 Mbps, full duplex
[ 235.609181] tg3 0000:01:00.0: eth0: Flow control is on for TX and on for
RX
[ 235.609347] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
Date: Fri May 18 18:09:27 2012
DistUpgraded: Fresh install
DistroCodename: precise
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Intel Corporation 82945G/GZ Integrated Graphics Controller [8086:2772] (rev
02) (prog-if 00 [VGA controller])
Subsystem: Dell Device [1028:01ad]
Subsystem: Dell Device [1028:01ad]
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120425)
MachineType: Dell Inc. OptiPlex GX620
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-23-generic
root=UUID=a62a6d7d-4449-401d-a607-df97947e2736 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/31/2006
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A07
dmi.board.name: 0FH884
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 3
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA07:bd03/31/2006:svnDellInc.:pnOptiPlexGX620:pvr:rvnDellInc.:rn0FH884:rvr:cvnDellInc.:ct3:cvr:
dmi.product.name: OptiPlex GX620
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.7.6-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.32-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.2-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.2-0ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati
1:6.14.99~git20111219.aacbd629-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:0.0.16+git20111201+b5534a1-1build2
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