Xorg crashed with SIGABRT in __libc_start_main()

[Jonathan Brier]

I was launching the game FTL: faster than light on steam then ubuntu 13.10 restarted unexpectedly before the game appeared. The same behavior was present on Ubuntu 13.04 too.

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: xserver-xorg-core 2:1.14.2.901-2ubuntu6
ProcVersionSignature: Ubuntu 3.11.0-9.16-generic 3.11.2
Uname: Linux 3.11.0-9-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.12.5-0ubuntu1
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 Sep 28 18:39:26 2013
DistUpgraded: 2013-09-28 16:47:01,452 DEBUG enabling apt cron job
DistroCodename: saucy
DistroVariant: ubuntu
DkmsStatus:
 vboxhost, 4.2.18, 3.11.0-9-generic, x86_64: installed
 vboxhost, 4.2.18, 3.8.0-31-generic, x86_64: installed
ExecutablePath: /usr/bin/Xorg
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
 Advanced Micro Devices, Inc. [AMD/ATI] BeaverCreek [Radeon HD 6620G] [1002:9641] (prog-if 00 [VGA controller])
   Subsystem: Hewlett-Packard Company Device [103c:358d]
 Advanced Micro Devices, Inc. [AMD/ATI] Whistler [Radeon HD 6630M/6650M/6750M/7670M/7690M] [1002:6741] (prog-if 00 [VGA controller])
   Subsystem: Hewlett-Packard Company Radeon HD 6750M [103c:358d]
InstallationDate: Installed on 2012-08-17 (407 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
MachineType: Hewlett-Packard HP Pavilion dv6 Notebook PC
MarkForUpload: True
ProcCmdline: /usr/bin/X -core :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
ProcEnviron:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-9-generic root=UUID=69b1f35d-742e-4e55-9c03-e8a349cd9fcc ro crashkernel=384M-2G:64M,2G-:128M quiet splash radeon.audio=1 vt.handoff=7
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 ?? () from /usr/lib/xorg/modules/extensions/libglx.so
 ?? () from /usr/lib/xorg/modules/extensions/libglx.so
 ?? ()
 ?? ()
 __libc_start_main (main=0x7ff9112441a0, argc=9, ubp_av=0x7fff2fca54f8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff2fca54e8) at libc-start.c:260
Title: Xorg crashed with SIGABRT in __libc_start_main()
UpgradeStatus: Upgraded to saucy on 2013-09-28 (0 days ago)
UserGroups:

dmi.bios.date: 09/13/2011
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.21
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 358D
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 33.18
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnHewlett-Packard:bvrF.21:bd09/13/2011:svnHewlett-Packard:pnHPPaviliondv6NotebookPC:pvr058D110000244620001620100:rvnHewlett-Packard:rn358D:rvr33.18:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.name: HP Pavilion dv6 Notebook PC
dmi.product.version: 058D110000244620001620100
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz 1:0.9.10+13.10.20130927.1-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.46-1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.2-1ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.2-1ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.14.2.901-2ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu3.1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.2.0-0ubuntu9
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.14-4ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.9-2ubuntu1
xserver.bootTime: Sat Sep 28 18:39:38 2013
xserver.configfile: default
xserver.errors: RADEON(G0): [XvMC] Failed to initialize extension.
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.14.2.901-2ubuntu6
xserver.video_driver: radeon

[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 #1232000, 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.