Xorg crashed with SIGABRT in OsAbort()

[David Kiliani]

Xorg crash seems to happen when logging in as a different user in an additional session, which sometimes failed under gdm3. After restart, it works again for some time.

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: xserver-xorg-core 2:1.15.0-1ubuntu6
ProcVersionSignature: Ubuntu 3.13.0-14.34-generic 3.13.5
Uname: Linux 3.13.0-14-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.13.2-0ubuntu5
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
Date: Tue Mar 4 06:45:22 2014
DistUpgraded: 2014-01-30 10:35:11,593 ERROR got an error from dpkg for pkg: 'bluez': 'dependency problems - leaving unconfigured'
DistroCodename: trusty
DistroVariant: ubuntu
ExecutablePath: /usr/bin/Xorg
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
 Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:21ce]
InstallationDate: Installed on 2011-06-21 (989 days ago)
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
MachineType: LENOVO 4236NGG
ProcCmdline: /usr/bin/X :1 -background none -verbose -auth /var/run/gdm/auth-for-gdm-IhiwA0/database -seat seat0 -nolisten tcp vt7
ProcEnviron:
 LANG=de_DE.UTF-8
 TERM=linux
 LANGUAGE=de_DE:de:en
 PATH=(custom, no user)
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-14-generic root=UUID=e735f30e-f560-48fa-aad5-8651e351a235 ro quiet splash vt.handoff=7
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 OsAbort ()
 FatalError ()
 ?? ()
 xf86CloseConsole ()
 ddxGiveUp ()
Title: Xorg crashed with SIGABRT in OsAbort()
UpgradeStatus: Upgraded to trusty on 2014-01-30 (36 days ago)
UserGroups:

XorgConf:
 Section "Device"
         Identifier "intel"
         Driver "intel"
         Option "AccelMethod" "sna"
 EndSection
dmi.bios.date: 07/23/2012
dmi.bios.vendor: LENOVO
dmi.bios.version: 83ET71WW (1.41 )
dmi.board.asset.tag: Not Available
dmi.board.name: 4236NGG
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:bvr83ET71WW(1.41):bd07/23/2012:svnLENOVO:pn4236NGG:pvrThinkPadT420:rvnLENOVO:rn4236NGG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 4236NGG
dmi.product.version: ThinkPad T420
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.11+14.04.20140218-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu36
version.libdrm2: libdrm2 2.4.52-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0~rc1-1ubuntu4
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0~rc1-1ubuntu4
version.xserver-xorg-core: xserver-xorg-core 2:1.15.0-1ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
xserver.bootTime: Thu Mar 6 18:28:05 2014
xserver.configfile: /etc/X11/xorg.conf
xserver.errors: Server terminated successfully (0). Closing log file.
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id 8510
 vendor AUO
xserver.version: 2:1.15.0-1ubuntu6

[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 #1237904, 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.