Xorg crashed with SIGABRT in OsAbort()

[Wolfgang]

release 15.04
dont know whats happen

ProblemType: Crash
DistroRelease: Ubuntu 15.04
Package: xserver-xorg-core 2:1.17.1-0ubuntu2
ProcVersionSignature: Ubuntu 3.19.0-9.9-generic 3.19.1
Uname: Linux 3.19.0-9-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.16.2-0ubuntu3
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
CrashCounter: 1
Date: Fri Mar 13 18:10:46 2015
DistUpgraded: Fresh install
DistroCodename: vivid
DistroVariant: ubuntu
ExecutablePath: /usr/bin/Xorg
ExecutableTimestamp: 1426176546
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
 Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Device [1025:0775]
InstallationDate: Installed on 2014-12-15 (88 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: Acer Aspire E1-572
ProcCmdline: /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
ProcCwd: /
ProcEnviron:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-9-generic root=UUID=0d5a5183-1272-4365-8413-bcfc4f7554ec ro rootflags=sync quiet splash vt.handoff=7
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 OsAbort () at ../../os/utils.c:1342
 AbortServer () at ../../os/log.c:787
 FatalError (f=f@entry=0x7f9cb6ac9096 "no screens found") at ../../os/log.c:925
 dix_main (argc=11, argv=0x7fffc5bae9e8, envp=<optimised out>) at ../../dix/main.c:205
 __libc_start_main (main=0x7f9cb694a600 <main>, argc=11, argv=0x7fffc5bae9e8, init=<optimised out>, fini=<optimised out>, rtld_fini=<optimised out>, stack_end=0x7fffc5bae9d8) at libc-start.c:287
Title: Xorg crashed with SIGABRT in OsAbort()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

dmi.bios.date: 09/02/2014
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: V2.17
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: EA50_HW
dmi.board.vendor: Acer
dmi.board.version: V2.17
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnInsydeCorp.:bvrV2.17:bd09/02/2014:svnAcer:pnAspireE1-572:pvrV2.17:rvnAcer:rnEA50_HW:rvrV2.17:cvnAcer:ct10:cvrChassisVersion:
dmi.product.name: Aspire E1-572
dmi.product.version: V2.17
dmi.sys.vendor: Acer
version.compiz: compiz 1:0.9.12.1+15.04.20150303-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.59-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.5.0-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.5.0-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
xserver.bootTime: Fri Mar 13 18:18:44 2015
xserver.configfile: default
xserver.errors:
 Failed to load module "intel" (module does not exist, 0)
 Failed to load module "intel" (module does not exist, 0)
 Failed to load module "fbdev" (module does not exist, 0)
 Failed to load module "vesa" (module does not exist, 0)
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.17.1-0ubuntu2
xserver.video_driver: modeset

[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 #1338492, 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.