Xorg crashed with SIGABRT in OsAbort()

[Eduardo de Souza Pereira]

The error occurred when I tried to switch from integrated graphics to discrete. The screen went black and I have to restarting the system.

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: xserver-xorg-core 2:1.14.2.901-2ubuntu4
ProcVersionSignature: Ubuntu 3.11.0-3.8-generic 3.11.0-rc6
Uname: Linux 3.11.0-3-generic x86_64
NonfreeKernelModules: wl
.tmp.unity.support.test.0:

ApportVersion: 2.12.1-0ubuntu3
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: Sun Sep 8 15:51:02 2013
DistUpgraded: 2013-07-21 21:58:25,714 DEBUG enabling apt cron job
DistroCodename: saucy
DistroVariant: ubuntu
DkmsStatus:
 bcmwl, 6.30.223.30+bdcom, 3.11.0-3-generic, x86_64: installed
 bcmwl, 6.30.223.30+bdcom, 3.11.0-4-generic, x86_64: installed
 bcmwl, 6.30.223.30+bdcom, 3.11.0-5-generic, x86_64: installed
ExecutablePath: /usr/bin/Xorg
GraphicsCard:
 Advanced Micro Devices, Inc. [AMD/ATI] RS880M [Mobility Radeon HD 4225/4250] [1002:9712] (prog-if 00 [VGA controller])
   Subsystem: Hewlett-Packard Company Device [103c:1445]
 Advanced Micro Devices, Inc. [AMD/ATI] Robson CE [Radeon HD 6370M/7370M] [1002:68e4] (prog-if 00 [VGA controller])
   Subsystem: Hewlett-Packard Company Radeon HD 6370M [103c:1445]
InstallationDate: Installed on 2013-07-21 (49 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MachineType: Hewlett-Packard HP G42 Notebook PC
MarkForUpload: True
ProcCmdline: /usr/bin/X -core :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
ProcEnviron:

ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.11.0-3-generic root=UUID=3197d63e-d6fb-447a-be53-a3c31489d234 ro locale=pt_BR quiet splash radeon.dpm=1 vt.handoff=7
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 OsAbort ()
 ?? ()
 FatalError ()
 ?? ()
 __libc_start_main (main=0x7fdef0478160, argc=9, ubp_av=0x7fff37d25ba8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff37d25b98) at libc-start.c:260
Title: Xorg crashed with SIGABRT in OsAbort()
UpgradeStatus: Upgraded to saucy on 2013-07-22 (48 days ago)
UserGroups:

dmi.bios.date: 04/07/2011
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.29
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 1445
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 69.37
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnHewlett-Packard:bvrF.29:bd04/07/2011:svnHewlett-Packard:pnHPG42NotebookPC:pvr0596120000242710000010100:rvnHewlett-Packard:rn1445:rvr69.37:cvnHewlett-Packard:ct10:cvrN/A:
dmi.product.name: HP G42 Notebook PC
dmi.product.version: 0596120000242710000010100
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz 1:0.9.10+13.10.20130828.2-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.46-1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.2-1ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.2-1ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.14.2.901-2ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu3.1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.2.0-0ubuntu6
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.14-4ubuntu3
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.9-2ubuntu1
xserver.bootTime: Sun Sep 8 20:22:18 2013
xserver.configfile: default
xserver.errors: RADEON(G0): [XvMC] Failed to initialize extension.
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.14.2.901-2ubuntu4
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 #1188123, 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.