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[Launchpad Bug Tracker <867840@xxxxxxxxxxxxxxxxxx>]

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I often plug an external monitor into the laptop. When i plug the
monitor in, everything works as expected. When i plug it out, my laptop
screen often gets corrupted (i will take a picture with my phone next
time it happens), though i can mostly fix the issue by going to console
(CTRL+ALT+F1) and switching back to X (ALT+F7). Other times, this does
not work, but replugging the monitor and unplugging it again does.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: xorg 1:7.6+7ubuntu7
ProcVersionSignature: Ubuntu 3.0.0-12.19-generic-pae 3.0.4
Uname: Linux 3.0.4-chipmunk i686
NonfreeKernelModules: wl
.tmp.unity.support.test.0:
 
ApportVersion: 1.23-0ubuntu2
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,decor,place,compiztoolbox,move,resize,vpswitch,snap,mousepoll,imgpng,grid,regex,gnomecompat,animation,wall,session,workarounds,expo,ezoom,staticswitcher,fade,scale,unityshell]
CompositorRunning: compiz
Date: Tue Oct  4 15:56:20 2011
DistUpgraded: Fresh install
DistroCodename: oneiric
DistroVariant: ubuntu
DkmsStatus:
 bcmwl, 5.100.82.38+bdcom, 3.0.0-11-generic, i686: installed
 bcmwl, 5.100.82.38+bdcom, 3.0.0-11-generic-pae, i686: installed
 bcmwl, 5.100.82.38+bdcom, 3.0.0-12-generic, i686: installed
 bcmwl, 5.100.82.38+bdcom, 3.0.0-12-generic-pae, i686: installed
 bcmwl, 5.100.82.38+bdcom, 3.0.4-chipmunk, i686: installed
ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
GraphicsCard:
 Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 12) (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Device [1025:0364]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110921.2)
MachineType: Acer Aspire 3820
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.4-chipmunk root=UUID=5d054d31-2735-4dfd-bd5e-091b63eb8464 ro quiet splash i915.i915_enable_rc6=1 i915.i915_enable_fbc=1 i915.lvds_downclock=1 pcie_aspm=force acpi_osi=Linux acpi_backlight=vendor vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/04/2010
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: V1.13
dmi.board.asset.tag: No Asset Tag
dmi.board.name: Aspire 3820
dmi.board.vendor: Acer
dmi.board.version: V1.13
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.13
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrV1.13:bd05/04/2010:svnAcer:pnAspire3820:pvrV1.13:rvnAcer:rnAspire3820:rvrV1.13:cvnAcer:ct10:cvrV1.13:
dmi.product.name: Aspire 3820
dmi.product.version: V1.13
dmi.sys.vendor: Acer
version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu2
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
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110411+8378443-1

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug compiz-0.9 corruption i386 oneiric running-unity ubuntu
-- 
Unplugging the external monitor corrupts the laptop screen
https://bugs.launchpad.net/bugs/867840
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