Playing video in any media player causes X to crash

[Michael Hope]

On a Thinkpad R500 with Radeon HD 3400 using fglrx 2:8.911-0ubuntu1.

To reproduce:
 * Grab a video like http://samplemedia.linaro.org/H264/big_buck_bunny_1080p_H264_AAC_25fps_7200K_short.MP4
 * Run it in vlc, mplayer, or the default player
 * See the window appear
 * X crashes
 * See a screen with white text on black
 * See LightDM start

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: xorg 1:7.6+10ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-17.27-generic 3.2.6
Uname: Linux 3.2.0-17-generic x86_64
NonfreeKernelModules: fglrx
.tmp.unity.support.test.0:

ApportVersion: 1.93-0ubuntu2
Architecture: amd64
CompizPlugins: [core,composite,opengl,decor,vpswitch,snap,compiztoolbox,resize,regex,animation,move,place,gnomecompat,mousepoll,grid,imgpng,unitymtgrabhandles,workarounds,session,wall,expo,fade,scale,unityshell]
CompositorRunning: compiz
Date: Fri Mar 2 22:24:33 2012
DistUpgraded: Fresh install
DistroCodename: precise
DistroVariant: ubuntu
DkmsStatus:
 fglrx-updates, 8.911, 3.2.0-17-generic, x86_64: installed
 vboxhost, 4.1.8, 3.2.0-17-generic, x86_64: installed
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
 Advanced Micro Devices [AMD] nee ATI RV620 [Mobility Radeon HD 3400 Series] [1002:95c4] (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:2104]
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120219)
JockeyStatus:
 xorg:fglrx_updates - ATI/AMD proprietary FGLRX graphics driver (post-release updates) (Proprietary, Disabled, Not in use)
 xorg:fglrx - ATI/AMD proprietary FGLRX graphics driver (Proprietary, Disabled, Not in use)
MachineType: LENOVO 2732CTO
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcEnviron:
 SHELL=/bin/bash
 TERM=xterm
 LANG=en_NZ.UTF-8
 LANGUAGE=en_NZ:en
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-17-generic root=UUID=08eb49b4-f20b-4558-9733-d728aeb5f257 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
Title: Xorg crash
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/16/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 7YET84WW (3.14 )
dmi.board.name: 2732CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr7YET84WW(3.14):bd12/16/2011:svnLENOVO:pn2732CTO:pvrThinkPadR500:rvnLENOVO:rn2732CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2732CTO
dmi.product.version: ThinkPad R500
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.7.0~bzr2995-0ubuntu5
version.fglrx-installer: fglrx-installer N/A
version.ia32-libs: ia32-libs 20090808ubuntu33
version.libdrm2: libdrm2 2.4.30-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.1-0ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.1-0ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.99.901+git20120126-0ubuntu2
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

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.