Xorg crashed with SIGABRT in OsAbort()

[Kamil]

When I started laptop and Ubuntu 12.10 was booted, I saw (seen) error of Xorg so I restarted /etc/init.d/lightdm and logged in. Then system showed my that crash report.

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: xserver-xorg-core 2:1.13.0-0ubuntu6.2
ProcVersionSignature: Ubuntu 3.5.0-37.58-generic 3.5.7.16
Uname: Linux 3.5.0-37-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.6.1-0ubuntu12
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
Date: Sat Jul 27 11:33:51 2013
DistUpgraded: Fresh install
DistroCodename: quantal
DistroVariant: ubuntu
ExecutablePath: /usr/bin/Xorg
ExecutableTimestamp: 1365684964
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0106] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Device [1025:0649]
 NVIDIA Corporation Device [10de:1140] (rev ff) (prog-if ff)
InstallationDate: Installed on 2013-02-18 (158 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MachineType: Acer Aspire E1-531G
MarkForUpload: True
ProcCmdline: /usr/bin/X :0 -core -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
ProcCwd: /etc/X11
ProcEnviron:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-37-generic root=UUID=63262429-0c63-48cc-a4b6-d3907e268362 ro crashkernel=384M-2G:64M,2G-:128M quiet splash vt.handoff=7
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 OsAbort () at ../../os/utils.c:1266
 AbortServer () at ../../os/log.c:655
 FatalError (f=f@entry=0x7f69d34e7e42 "no screens found") at ../../os/log.c:793
 main (argc=9, argv=0x7fff697ec658, envp=<optimized out>) at ../../dix/main.c:207
Title: Xorg crashed with SIGABRT in OsAbort()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

dmi.bios.date: 10/15/2012
dmi.bios.vendor: Acer
dmi.bios.version: V2.07
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: EA50_HC_HR
dmi.board.vendor: Acer
dmi.board.version: Type2 - Board Version
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V2.07
dmi.modalias: dmi:bvnAcer:bvrV2.07:bd10/15/2012:svnAcer:pnAspireE1-531G:pvrV2.07:rvnAcer:rnEA50_HC_HR:rvrType2-BoardVersion:cvnAcer:ct10:cvrV2.07:
dmi.product.name: Aspire E1-531G
dmi.product.version: V2.07
dmi.sys.vendor: Acer
version.compiz: compiz 1:0.9.8.6+bzr3433-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu36
version.libdrm2: libdrm2 2.4.43-0ubuntu0.2
version.libgl1-mesa-dri: libgl1-mesa-dri 9.0.3-0ubuntu0.4
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.0.3-0ubuntu0.4
version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu6.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.99.99~git20120913.8637f772-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.9-0ubuntu2.2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.2-0ubuntu3

[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 #1037518, 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.