Public bug reported:
Whenever an external monitor is unplugged the whole system locks up,
showing a black screen. It's impossible to wake the computer/switch to
tty after this happens. The only option is to force a shutdown.
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
NonfreeKernelModules: wl
.tmp.unity.support.test.0:
ApportVersion: 2.0.1-0ubuntu8
Architecture: amd64
CompizPlugins:
[core,composite,opengl,compiztoolbox,decor,place,scale,resize,move,session,gnomecompat,mousepoll,regex,vpswitch,grid,imgpng,wall,snap,unitymtgrabhandles,animation,workarounds,expo,ezoom,unityshell]
CompositorRunning: compiz
Date: Mon Jul 16 14:39:51 2012
DistUpgraded: Fresh install
DistroCodename: precise
DistroVariant: ubuntu
DkmsStatus: bcmwl, 5.100.82.38+bdcom, 3.2.0-23-generic, x86_64: installed
ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
GraphicsCard:
Intel Corporation Core Processor Integrated Graphics Controller [8086:0046]
(rev 02) (prog-if 00 [VGA controller])
Subsystem: Acer Incorporated [ALI] Device [1025:043f]
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120425)
MachineType: Acer TravelMate 8372
ProcEnviron:
LANGUAGE=en_CA:en
TERM=xterm
PATH=(custom, no user)
LANG=en_CA.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-23-generic
root=UUID=929b9f5b-bdc0-40f7-b3fa-28c2fed2d10c ro quiet splash pcie_aspm=force
i915.i915_enable_rc6=1 i915.i915_enable_fbc=1 vt.handoff=7
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/14/2010
dmi.bios.vendor: Acer
dmi.bios.version: V1.07
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: TravelMate 8372
dmi.board.vendor: Acer
dmi.board.version: PSMBOU-1234567
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: None
dmi.modalias:
dmi:bvnAcer:bvrV1.07:bd12/14/2010:svnAcer:pnTravelMate8372:pvrV1.07:rvnAcer:rnTravelMate8372:rvrPSMBOU-1234567:cvnAcer:ct10:cvrNone:
dmi.product.name: TravelMate 8372
dmi.product.version: V1.07
dmi.sys.vendor: Acer
version.compiz: compiz 1:0.9.7.8-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.32-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.2-0ubuntu3.1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.2-0ubuntu3.1
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10.3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1.2
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
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug compiz-0.9 precise ubuntu
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https://bugs.launchpad.net/bugs/1025401
Title:
Xorg freezes when unplugging external monitor.
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