Public bug reported:
If I unplug my laptop from the external display at my desk, when I
return and plug back in, the screen often goes mental. There are
flashing black bands with sharp diagonals appearing at the refresh rate
on the screen. The only way I've found to resolve this is to restart
the computer.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: xserver-xorg-video-intel 2:2.15.901-1ubuntu2.1
ProcVersionSignature: Ubuntu 3.0.0-14.23-generic 3.0.9
Uname: Linux 3.0.0-14-generic x86_64
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
CompizPlugins:
[core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,resize,fade,unitymtgrabhandles,scale,session,unityshell]
Date: Tue Jan 17 15:51:49 2012
DistUpgraded: Log time: 2011-10-14 10:58:34.793617
DistroCodename: oneiric
DistroVariant: ubuntu
DpkgLog:
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller
[8086:2a42] (rev 09) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device [1043:1862]
Subsystem: ASUSTeK Computer Inc. Device [1043:1862]
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
MachineType: ASUSTeK Computer Inc. P50IJ
ProcEnviron:
LANG=en_GB.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-14-generic
root=UUID=59f9e85c-7640-46a4-9844-626f6dd584e9 ro quiet splash vt.handoff=7
SourcePackage: xserver-xorg-video-intel
UpgradeStatus: Upgraded to oneiric on 2011-10-14 (95 days ago)
dmi.bios.date: 12/04/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 203
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: P50IJ
dmi.board.vendor: ASUSTeK Computer Inc.
dmi.board.version: 1.0
dmi.chassis.asset.tag: ATN12345678901234567
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer Inc.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr203:bd12/04/2009:svnASUSTeKComputerInc.:pnP50IJ:pvr1.0:rvnASUSTeKComputerInc.:rnP50IJ:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
dmi.product.name: P50IJ
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK Computer Inc.
version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu6
version.ia32-libs: ia32-libs 20090808ubuntu26
version.libdrm2: libdrm2 2.4.26-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
version.xserver-xorg-video-ati: xserver-xorg-video-ati
1:6.14.99~git20110811.g93fc084-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.901-1ubuntu2.1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:0.0.16+git20110411+8378443-1
** Affects: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug oneiric running-unity ubuntu
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https://bugs.launchpad.net/bugs/917726
Title:
When plugging back into an external display, the screen goes mental
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