Xorg crashed with SIGABRT in raise()

[Adam Collard]

Was reading Planet Ubuntu in Firefox and suddenly X fell over.

ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: xserver-xorg-core 2:1.13.2-0ubuntu2
ProcVersionSignature: Ubuntu 3.8.0-9.18-generic 3.8.1
Uname: Linux 3.8.0-9-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.9-0ubuntu2
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
Date: Sat Mar 2 20:12:45 2013
DistUpgraded: 2013-03-02 20:10:59,535 DEBUG enabling apt cron job
DistroCodename: raring
DistroVariant: ubuntu
ExecutablePath: /usr/bin/Xorg
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Dell Device [1028:052e]
InstallationDate: Installed on 2012-08-17 (201 days ago)
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120817.1)
MachineType: Dell Inc. Dell System XPS L321X
MarkForUpload: True
ProcCmdline: /usr/bin/X :0 -core -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
ProcEnviron:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-9-generic root=UUID=f78d0885-0fdf-440f-9469-b22a81d79556 ro quiet splash vt.handoff=7
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 raise () from /lib/x86_64-linux-gnu/libc.so.6
 abort () from /lib/x86_64-linux-gnu/libc.so.6
 OsAbort ()
 ?? ()
 FatalError ()
Title: Xorg crashed with SIGABRT in raise()
UpgradeStatus: Upgraded to raring on 2013-03-02 (4 days ago)
UserGroups:

dmi.bios.date: 04/09/2012
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A04
dmi.board.name: 0G4TP5
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: 0.1
dmi.modalias: dmi:bvnDellInc.:bvrA04:bd04/09/2012:svnDellInc.:pnDellSystemXPSL321X:pvr:rvnDellInc.:rn0G4TP5:rvrA00:cvnDellInc.:ct8:cvr0.1:
dmi.product.name: Dell System XPS L321X
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.9~daily13.03.06-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.42-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.0.2-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.0.2-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.13.2-0ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.0-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.3-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.6-0ubuntu3

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1134112, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.