Xorg crashed with SIGABRT in __GI_raise()

[Jonathan Brier]

error appeared after booting after applying the latest round of updates and signing in

expected to boot and login with no errors

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: xserver-xorg-core 2:1.15.0-1ubuntu7
ProcVersionSignature: Ubuntu 3.13.0-22.44-generic 3.13.8
Uname: Linux 3.13.0-22-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.14-0ubuntu1
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 Apr 4 08:04:42 2014
DistUpgraded: 2014-03-28 19:47:27,532 DEBUG enabling apt cron job
DistroCodename: trusty
DistroVariant: ubuntu
ExecutablePath: /usr/bin/Xorg
ExtraDebuggingInterest: Yes, if not too technical
InstallationDate: Installed on 2012-11-29 (490 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MachineType: System manufacturer System Product Name
ProcCmdline: /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
ProcEnviron:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-22-generic root=UUID=c4ec6b3f-ea2f-479a-9ad4-f1eab2c84e9c ro quiet splash crashkernel=384M-:128M crashkernel=384M-:128M crashkernel=384M-:128M vt.handoff=7
Signal: 6
SourcePackage: xorg-server
Stacktrace:
 #0 0x00007f0729482f79 in __GI_raise (sig=6, sig@entry=<error reading variable: Cannot access memory at address 0x7fffc0a38078>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
         resultvar = 0
         pid = 1403
         selftid = 1403
 Cannot access memory at address 0x7fffc0a38078
StacktraceTop: __GI_raise (sig=6, sig@entry=<error reading variable: Cannot access memory at address 0x7fffc0a38078>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
Title: Xorg crashed with SIGABRT in __GI_raise()
UpgradeStatus: Upgraded to trusty on 2014-03-28 (6 days ago)
UserGroups:

dmi.bios.date: 09/14/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2101
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: Crosshair IV Formula
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.:bvr2101:bd09/14/2012:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnCrosshairIVFormula:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
version.compiz: compiz 1:0.9.11+14.04.20140328-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.52-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0-4ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0-4ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.15.0-1ubuntu7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
xserver.bootTime: Fri Apr 4 08:06:40 2014
xserver.configfile: default
xserver.devices:
 input Power Button KEYBOARD, id 6
 input Power Button KEYBOARD, id 7
 input Logitech USB Receiver KEYBOARD, id 8
 input Logitech USB Receiver KEYBOARD, id 9
 input HD Pro Webcam C920 KEYBOARD, id 10
xserver.errors:
 RADEON(G0): [XvMC] Failed to initialize extension.
 RADEON(G1): [XvMC] Failed to initialize extension.
 RADEON(G2): [XvMC] Failed to initialize extension.
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.15.0-1ubuntu7
xserver.video_driver: radeon

[Apport retracing service (apport)]

Stacktrace:
 #0 0x00007f0729482f79 in __GI_raise (sig=6, sig@entry=<error reading variable: Cannot access memory at address 0x7fffc0a38078>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
         resultvar = 0
         pid = 1403
         selftid = 1403
 Cannot access memory at address 0x7fffc0a38078
StacktraceSource:
 #0 0x00007f0729482f79 in __GI_raise (sig=6, sig@entry=<error reading variable: Cannot access memory at address 0x7fffc0a38078>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
   [Error: ../nptl/sysdeps/unix/sysv/linux/raise.c was not found in source tree]
StacktraceTop: __GI_raise (sig=6, sig@entry=<error reading variable: Cannot access memory at address 0x7fffc0a38078>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56