Xorg crashed with SIGABRT

This error occured on login.

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: xserver-xorg-core 2:1.14.5-1ubuntu2
ProcVersionSignature: Ubuntu 3.13.0-6.23-generic 3.13.0
Uname: Linux 3.13.0-6-generic x86_64
NonfreeKernelModules: fglrx
.tmp.unity.support.test.0:

ApportVersion: 2.13.2-0ubuntu2
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
Date: Sat Feb 1 21:58:06 2014
Disassembly:
 .
 Thread 1 (LWP 4962):
 #0 0x00007f938fc5ef39 in ?? ()
 No symbol table info available.
 Cannot access memory at address 0x7fffab4197f8
DistUpgraded: Fresh install
DistroCodename: trusty
DistroVariant: ubuntu
DkmsStatus:
 fglrx, 13.101, 3.13.0-5-generic, x86_64: installed
 fglrx, 13.101, 3.13.0-6-generic, x86_64: installed
ExecutablePath: /usr/bin/Xorg
GraphicsCard:
 Advanced Micro Devices, Inc. [AMD/ATI] Cedar [Radeon HD 5000/6000/7350/8350 Series] [1002:68f9] (prog-if 00 [VGA controller])
   Subsystem: Micro-Star International Co., Ltd. Device [1462:2127]
InstallationDate: Installed on 2014-01-24 (10 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140121)
MachineType: System manufacturer System Product Name
ProcCmdline: /usr/bin/X -core :2 -auth /var/run/lightdm/root/:2 -nolisten tcp vt9 -novtswitch
ProcEnviron:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-6-generic root=UUID=13c85d55-225d-4c11-9ae0-7d893333271a ro quiet splash vt.handoff=7
Registers: No symbol table is loaded. Use the "file" command.
Signal: 6
SourcePackage: fglrx-installer
Stacktrace: No symbol table is loaded. Use the "file" command.
StacktraceTop:

Title: Xorg crashed with SIGABRT
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

dmi.bios.date: 09/30/2008
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1238
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5B-Deluxe
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1238:bd09/30/2008:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5B-Deluxe:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
version.compiz: compiz 1:0.9.10+13.10.20131011-0ubuntu1
version.fglrx-installer: fglrx-installer N/A
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.52-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.0.1-1ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.0.1-1ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.14.5-1ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.907-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu1
xserver.bootTime: Mon Feb 3 21:18:06 2014
xserver.configfile: /etc/X11/xorg.conf
xserver.devices:
 input Power Button KEYBOARD, id 6
 input Power Button KEYBOARD, id 7
 input Logitech USB Keyboard KEYBOARD, id 8
 input Logitech USB Keyboard KEYBOARD, id 9
 input Microsoft Microsoft IntelliMouse® Optical MOUSE, id 10
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.14.5-1ubuntu2
xserver.video_driver: fglrx