Xorg crashed with SIGABRT

[James Brierley]

Testing Wily and I find that this happens every so often, always at some point when I click the mouse on a button/menu etc. I cannot give any more specific information as it seems to be a dice roll whether clicking on something will crash X.

ProblemType: Crash
DistroRelease: Ubuntu 15.10
Package: xserver-xorg-core 2:1.17.2-1ubuntu7
ProcVersionSignature: Ubuntu 4.2.0-11.13-lowlatency 4.2.1
Uname: Linux 4.2.0-11-lowlatency x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.18.1-0ubuntu1
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: Fri Sep 25 18:04:33 2015
DistUpgraded: 2015-09-07 12:44:40,751 DEBUG enabling apt cron job
DistroCodename: wily
DistroVariant: ubuntu
DkmsStatus:
 rtl8812AU_8821AU_linux, 1.0, 3.19.0-26-lowlatency, x86_64: installed
 rtl8812AU_8821AU_linux, 1.0, 3.19.0-27-lowlatency, x86_64: installed
 rtl8812AU_8821AU_linux, 1.0, 3.19.0-28-lowlatency, x86_64: installed
ExecutablePath: /usr/bin/Xorg
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller [8086:0152] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Intel Corporation Device [8086:2034]
InstallationDate: Installed on 2013-09-29 (726 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Beta amd64 (20130929)
ProcCmdline: /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
ProcEnviron:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-11-lowlatency root=UUID=791c8dd7-931e-440e-bcba-f89a83c15846 ro quiet splash nr_uarts=16 elevator=noop firewire_ohci.remote_dma=Y nothreadirqs fstab vt.handoff=7
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 ?? () from /usr/lib/xorg/modules/drivers/intel_drv.so
 ?? () from /usr/lib/xorg/modules/drivers/intel_drv.so
 ?? () from /usr/lib/xorg/modules/drivers/intel_drv.so
 ?? () from /usr/lib/xorg/modules/drivers/intel_drv.so
 ?? () from /usr/lib/xorg/modules/drivers/intel_drv.so
Title: Xorg crashed with SIGABRT
UpgradeStatus: Upgraded to wily on 2015-09-07 (18 days ago)
UserGroups:

dmi.bios.date: 03/05/2013
dmi.bios.vendor: Intel Corp.
dmi.bios.version: KCH7710H.86A.0108.2013.0305.1638
dmi.board.name: DH77DF
dmi.board.vendor: Intel Corporation
dmi.board.version: AAG40293-301
dmi.chassis.type: 3
dmi.modalias: dmi:bvnIntelCorp.:bvrKCH7710H.86A.0108.2013.0305.1638:bd03/05/2013:svn:pn:pvr:rvnIntelCorporation:rnDH77DF:rvrAAG40293-301:cvn:ct3:cvr:
version.compiz: compiz 1:0.9.12.2+15.10.20150908-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.64-1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.0.0-1ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.0.0-1ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.17.2-1ubuntu7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.2-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0+git20150819-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20150808-0ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu3
xserver.bootTime: Fri Sep 25 18:04:45 2015
xserver.configfile: default
xserver.devices:
 input Power Button KEYBOARD, id 6
 input Video Bus KEYBOARD, id 7
 input Power Button KEYBOARD, id 8
 input USB Optical Mouse MOUSE, id 9
 input Unicomp Inc G+SpaceSaver KEYBOARD, id 10
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:

xserver.version: 2:1.17.2-1ubuntu7

[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 #1496172, 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.