Xorg crashed with SIGABRT in MakeAtom()

[rasik]

System logged out, after launch vlc. I had jdownloader, chrome, and empathy running at this time on the other workspace.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: xserver-xorg-core 2:1.11.4-0ubuntu10
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: 2.0.1-0ubuntu2
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CrashCounter: 1
Date: Fri Apr 13 00:21:59 2012
DistUpgraded: Fresh install
DistroCodename: precise
DistroVariant: ubuntu
DkmsStatus:
 bcmwl, 5.100.82.38+bdcom, 3.2.0-22-generic, x86_64: installed
 bcmwl, 5.100.82.38+bdcom, 3.2.0-23-generic, x86_64: installed
 virtualbox, 4.1.12, 3.2.0-22-generic, x86_64: installed
 virtualbox, 4.1.12, 3.2.0-23-generic, x86_64: installed
ExecutablePath: /usr/bin/Xorg
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
 Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller])
   Subsystem: Hewlett-Packard Company Device [103c:146d]
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120303)
MachineType: Hewlett-Packard HP ProBook 6450b
ProcCmdline: /usr/bin/X :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
ProcEnviron:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-23-generic root=UUID=52c941bf-f935-4081-9d5f-d3bb8134530c ro quiet splash vt.handoff=7
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 MakeAtom ()
 ?? ()
 ?? ()
 ?? ()
 __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
Title: Xorg crashed with SIGABRT in MakeAtom()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

dmi.bios.date: 08/10/2010
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68CDE Ver. F.02
dmi.board.name: 146D
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 73.11
dmi.chassis.asset.tag: CNU03624RH
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68CDEVer.F.02:bd08/10/2010:svnHewlett-Packard:pnHPProBook6450b:pvr:rvnHewlett-Packard:rn146D:rvrKBCVersion73.11:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP ProBook 6450b
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz 1:0.9.7.4-0ubuntu3
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
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.2-0ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1
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

[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 #933504, 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.