I have confirmed bug #1025401
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https://bugs.launchpad.net/bugs/1114370
Title:
External Monitor Problems: System Freezes when plugging, unplugging,
or turning off LG 55LE5400 TV
Status in “xserver-xorg-video-intel” package in Ubuntu:
New
Bug description:
The system crashes whenever breaking the connection between the
television and computer outputs. It's not a broad problem because the
EDID for dell computer monitors is correct and they work just fine;
however, my 24" samsung computer monitor and and LG HDMI TV cause the
same problem. I've tried using a few bash scripts that modify the
monitor settings using xrandr, but it must be an infinite loop issue
in xorg that isn't properly handling the monitor switch.
I'm using a SONY VAIO FW250J (this is a similar bug to a few others
already listed). The graphics driver should be supported by the open
source intel graphics drivers (chipset GM45, GMA 4500 MHD). I
originally thought it was a graphics driver issue, but transitioned to
thining it was a hardware compatibility issue after tooling forward
and backwards with the xserver-xorg-video-intel graphcs. I can't rule
out a compatibilty issue mostly because it's a SONY laptop (they like
to do things differently). I'll probably dive into xorg intel graphics
source code to poke around, but doubt I'll uncover the issue.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: xorg 1:7.6+12ubuntu2
ProcVersionSignature: Ubuntu 3.5.0-18.29-generic 3.5.7
Uname: Linux 3.5.0-18-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: amd64
CheckboxSubmission: 94ca22ba8b72b36d1027d4b82f9a52b1
CheckboxSystem: b633b4f40868d491c2ae5b50030ce6f3
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
Date: Sun Feb 3 09:37:27 2013
DistUpgraded: Fresh install
DistroCodename: precise
DistroVariant: ubuntu
DkmsStatus: virtualbox, 4.1.12: added
ExtraDebuggingInterest: Yes, even including gdb or git bisection work if
needed
GraphicsCard:
Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller
[8086:2a42] (rev 07) (prog-if 00 [VGA controller])
Subsystem: Sony Corporation Device [104d:9035]
Subsystem: Sony Corporation Device [104d:9035]
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64
(20120823.1)
MachineType: Sony Corporation VGN-FW250J
MarkForUpload: True
ProcEnviron:
LANGUAGE=en_CA:en
PATH=(custom, no user)
LANG=en_CA.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-18-generic
root=UUID=fa11e4a7-9c48-49ef-892e-6e3d23795cc5 ro quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/27/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: R1100Y0
dmi.board.asset.tag: N/A
dmi.board.name: VAIO
dmi.board.vendor: Sony Corporation
dmi.board.version: N/A
dmi.chassis.asset.tag: N/A
dmi.chassis.type: 10
dmi.chassis.vendor: Sony Corporation
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrR1100Y0:bd08/27/2009:svnSonyCorporation:pnVGN-FW250J:pvrC600ZV99:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
dmi.product.name: VGN-FW250J
dmi.product.version: C600ZV99
dmi.sys.vendor: Sony Corporation
version.compiz: compiz 1:0.9.7.12-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.41+git20130122.303ca37e-0ubuntu0sarvatt2~precise
version.libgl1-mesa-dri: libgl1-mesa-dri
9.1~git20130104.r1.b8b1d61e-0ubuntu0ricotz~precise
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx
9.1~git20130104.r1.b8b1d61e-0ubuntu0ricotz~precise
version.xserver-xorg-core: xserver-xorg-core
2:1.12.3+git20120709+server-1.12-branch.60e0d205-0ubuntu0ricotz~precise
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev
1:2.7.0+git20120504.f28507e8-0ubuntu0sarvatt~precise
version.xserver-xorg-video-ati: xserver-xorg-video-ati
1:7.0.99+git20130107.857d729e-0ubuntu0sarvatt~precise
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.20.19+git20130131.fff06863-0ubuntu0sarvatt~precise
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.6+git20130107.8f934fad-0ubuntu0sarvatt~precise
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