This affects me too and I have an NVidea card.
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https://bugs.launchpad.net/bugs/988290
Title:
Resolution change with KVM switch on Precise
Status in “xserver-xorg-video-intel” package in Ubuntu:
Confirmed
Bug description:
I have a machine that shares monitor, keyboard and mouse with a second
machine via a standard KVM-Switch (USB/VGA). After updating to precise
beta yesterday, I noticed that, after having worked with the other
machine for a while and switching back to the precise machine, screen
resolution has changed to 800x600. Just opening "Monitors" from gnome-
system-settings restores the original resolution of 1280x1024, you
don't need to change anything.
This is reproducible, if you switch away from the machine long enough
(I guess until the screensaver gets invoked) resolution will be
changed when you come back. This was not the case with oneiric.
Is there some way to disable this behaviour?
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 i686
.tmp.unity.support.test.0:
ApportVersion: 2.0.1-0ubuntu5
Architecture: i386
CompizPlugins:
[core,bailer,detection,composite,opengl,compiztoolbox,decor,move,grid,resize,snap,regex,gnomecompat,imgpng,vpswitch,place,text,mousepoll,session,animation,thumbnail,ezoom,workarounds,staticswitcher,switcher,fade,scale]
CompositorRunning: compiz
Date: Wed Apr 25 14:10:55 2012
DistUpgraded: Fresh install
DistroCodename: precise
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
GraphicsCard:
Intel Corporation 82945G/GZ Integrated Graphics Controller [8086:2772] (rev
02) (prog-if 00 [VGA controller])
Subsystem: ABIT Computer Corp. Device [147b:108f]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
MachineType: PhoenixAward PhoenixAward
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=de_DE.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-23-generic
root=UUID=2e69dfbb-4dfc-4d2a-98ac-698951c48197 ro
crashkernel=384M-2G:64M,2G-:128M quiet splash vt.handoff=7
SourcePackage: xorg
UdevDb: Error: [Errno 2] No such file or directory
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/01/2007
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 6.00 PG
dmi.board.name: I-45C(Intel i945GC-ICH7)
dmi.board.vendor: http://www.abit.com.tw/
dmi.board.version: 0.2
dmi.chassis.type: 3
dmi.chassis.vendor: PhoenixAward
dmi.modalias:
dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd10/01/2007:svnPhoenixAward:pnPhoenixAward:pvr6.0:rvnhttp//www.abit.com.tw/:rnI-45C(Inteli945GC-ICH7):rvr0.2:cvnPhoenixAward:ct3:cvr:
dmi.product.name: PhoenixAward
dmi.product.version: 6.0
dmi.sys.vendor: PhoenixAward
version.compiz: compiz 1:0.9.7.6-0ubuntu1
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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