Xorg crashed with SIGABRT in OsAbort()

[Andi Chandler]

Lots of problems caused after update from 15.04 to 15.10.

ProblemType: Crash
DistroRelease: Ubuntu 15.10
Package: xserver-xorg-core 2:1.17.2-1ubuntu9
ProcVersionSignature: Ubuntu 4.2.0-15.18-generic 4.2.3
Uname: Linux 4.2.0-14-generic x86_64
NonfreeKernelModules: fglrx
.tmp.unity.support.test.1:

ApportVersion: 2.19.1-0ubuntu2
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: Thu Oct 8 16:24:33 2015
DistUpgraded: Fresh install
DistroCodename: wily
DistroVariant: ubuntu
DkmsStatus:
 fglrx-core, 15.201, 4.2.0-15-generic, x86_64: installed
 vboxhost, 5.0.6, 3.19.0-15-generic, x86_64: installed
 vboxhost, 5.0.6, 4.2.0-15-generic, x86_64: installed
ExecutablePath: /usr/bin/Xorg
GraphicsCard:
 Advanced Micro Devices, Inc. [AMD/ATI] Caicos XT [Radeon HD 7470/8470 / R5 235/310 OEM] [1002:6778] (prog-if 00 [VGA controller])
   Subsystem: Dell Radeon HD 7470 [1028:2120]
InstallationDate: Installed on 2014-08-26 (412 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Alpha amd64 (20140826)
MachineType: Dell Inc. OptiPlex 7010
ProcCmdline: /usr/bin/X :0 -br -once -config /etc/X11/xorg.conf.failsafe -logfile /var/log/Xorg.failsafe.log
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_GB.UTF-8
 LANGUAGE=en_GB:en
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.2.0-15-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash nomdmonddf nomdmonisw vt.handoff=7
Renderer: Software
Signal: 6
SourcePackage: fglrx-installer
StacktraceTop:
 OsAbort ()
 FatalError ()
 ?? ()
 xf86CloseConsole ()
 ddxGiveUp ()
Title: Xorg crashed with SIGABRT in OsAbort()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

dmi.bios.date: 03/25/2013
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A13
dmi.board.name: 0WR7PY
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 15
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA13:bd03/25/2013:svnDellInc.:pnOptiPlex7010:pvr01:rvnDellInc.:rn0WR7PY:rvrA01:cvnDellInc.:ct15:cvr:
dmi.product.name: OptiPlex 7010
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.12.2+15.10.20151002-0ubuntu1
version.fglrx-installer: fglrx-installer N/A
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 12:20:46 2015
xserver.configfile: default
xserver.devices:
 input Power Button KEYBOARD, id 6
 input Power Button KEYBOARD, id 7
 input DELL Dell USB Entry Keyboard KEYBOARD, id 8
 input Logitech Logitech USB Optical Mouse MOUSE, id 9
 input AT Translated Set 2 keyboard KEYBOARD, id 10
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:

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 #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.