Xorg crashed with SIGABRT

[Colin Ian King]

This is always triggered when I start thunderbird or firefox

ProblemType: Crash
DistroRelease: Ubuntu 15.10
Package: xserver-xorg-core 2:1.17.2-1ubuntu9
ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
Uname: Linux 4.2.0-16-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.19.1-0ubuntu2
Architecture: amd64
BootLog:
 fsck from util-linux 2.26.2
 /dev/sda1: clean, 432821/2003120 files, 2347440/7999744 blocks
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: Tue Oct 13 14:30:26 2015
DistUpgraded: Fresh install
DistroCodename: wily
DistroVariant: ubuntu
DkmsStatus:
 fwts-efi-runtime-dkms, 15.09.00, 4.1.0, x86_64: installed
 fwts-efi-runtime-dkms, 15.09.00, 4.2.0-16-generic, x86_64: installed
ExecutablePath: /usr/bin/Xorg
ExtraDebuggingInterest: No
GraphicsCard:
 Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:21fa]
InstallationDate: Installed on 2015-09-06 (37 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20150906)
MachineType: LENOVO 2320CTO
ProcCmdline: /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
ProcEnviron:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-16-generic root=UUID=dc4f1bc6-6dee-4dc2-9ea1-a9398f663807 ro quiet splash 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
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

dmi.bios.date: 05/24/2012
dmi.bios.vendor: LENOVO
dmi.bios.version: G2ET31WW (1.11 )
dmi.board.asset.tag: Not Available
dmi.board.name: 2320CTO
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:bvrG2ET31WW(1.11):bd05/24/2012:svnLENOVO:pn2320CTO:pvrThinkPadX230:rvnLENOVO:rn2320CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2320CTO
dmi.product.version: ThinkPad X230
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.12.2+15.10.20151002-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.64-1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.0.2-1ubuntu4
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.0.2-1ubuntu4
version.xserver-xorg-core: xserver-xorg-core 2:1.17.2-1ubuntu9
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+git20150808-0ubuntu3
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu3
xserver.bootTime: Tue Oct 13 18:07:15 2015
xserver.configfile: default
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id 4204
 vendor AUO
xserver.version: 2:1.17.2-1ubuntu9

[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 #1501468, 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.