Xorg crashed with SIGABRT in OsAbort()

[Ronnie]

Xorg crashed after installing mir, disabling mir and then enabling mir

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: xserver-xorg-core 2:1.14.2.901-2ubuntu3
ProcVersionSignature: Ubuntu 3.11.0-3.7-generic 3.11.0-rc6
Uname: Linux 3.11.0-3-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.12.1-0ubuntu2
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
CrashCounter: 1
CurrentDmesg:
 [ 22.008028] iwlwifi 0000:02:00.0: Could not load the [0] uCode section
 [ 22.008284] iwlwifi 0000:02:00.0: Failed to run INIT ucode: -110
 [ 22.008323] iwlwifi 0000:02:00.0: Unable to initialize device.
 [ 22.010661] ieee80211 phy0: Hardware restart was requested
Date: Thu Aug 22 23:27:51 2013
DistUpgraded: Fresh install
DistroCodename: saucy
DistroVariant: ubuntu
ExecutablePath: /usr/bin/Xorg
ExtraDebuggingInterest: No
GraphicsCard:
 Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) (prog-if 00 [VGA controller])
   Subsystem: Hewlett-Packard Company Device [103c:30dd]
   Subsystem: Hewlett-Packard Company Device [103c:30dd]
InstallationDate: Installed on 2013-08-21 (0 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130711)
MachineType: Hewlett-Packard HP Compaq 6530b (GB976EA#ABH)
MarkForUpload: True
ProcCmdline: /usr/bin/X -core :1 -auth /var/run/lightdm/root/:1 -nolisten tcp vt7 -novtswitch
ProcEnviron:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-3-generic root=UUID=e0becb36-3140-40f5-9bd8-32af653b1f02 ro quiet splash
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 OsAbort ()
 ?? ()
 FatalError ()
 ?? ()
 __libc_start_main (main=0x7f81b1fd2160, argc=9, ubp_av=0x7fffbc613248, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffbc613238) at libc-start.c:260
Title: Xorg crashed with SIGABRT in OsAbort()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

dmi.bios.date: 12/15/2008
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68PDD Ver. F.0A
dmi.board.name: 30DD
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 96.18
dmi.chassis.asset.tag: CNU9087DT2
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68PDDVer.F.0A:bd12/15/2008:svnHewlett-Packard:pnHPCompaq6530b(GB976EA#ABH):pvrF.0A:rvnHewlett-Packard:rn30DD:rvrKBCVersion96.18:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP Compaq 6530b (GB976EA#ABH)
dmi.product.version: F.0A
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz 1:0.9.10+13.10.20130822-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.46-1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.1.6-2ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.1.6-2ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.14.2.901-2ubuntu3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu3.1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.2.0-0ubuntu3
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.14-4ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.8-0ubuntu3
xserver.bootTime: Thu Aug 22 23:28:56 2013
xserver.configfile: default
xserver.errors:

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

xserver.version: 2:1.14.2.901-2ubuntu3

[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 #1188123, 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.