Xorg crashed with SIGABRT in fbBltOne()

[martyfelker]

Gnome desktop environment. Xscreensaver runing. Ktorretn download active. Ubuntu 14.04 kernel 30.11

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: xserver-xorg-core 2:1.15.0-1ubuntu6
Uname: Linux 3.12.9-031209-generic x86_64
ApportVersion: 2.13.2-0ubuntu5
Architecture: amd64
CrashCounter: 1
Date: Fri Feb 21 13:32:12 2014
ExecutablePath: /usr/bin/Xorg
InstallationDate: Installed on 2014-02-12 (9 days ago)
InstallationMedia: Kubuntu 12.04.4 LTS "Precise Pangolin" - Release amd64 (20140205)
ProcCmdline: /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
ProcEnviron:

Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 fbBltOne () from /usr/lib/xorg/modules/libfb.so
 fbPutXYImage () from /usr/lib/xorg/modules/libfb.so
 fbPutImage () from /usr/lib/xorg/modules/libfb.so
 ?? () from /usr/lib/x86_64-linux-gnu/libglamor.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libglamor.so.0
Title: Xorg crashed with SIGABRT in fbBltOne()
UpgradeStatus: Upgraded to trusty on 2014-02-12 (9 days ago)
UserGroups:

[Apport retracing service (apport)]

StacktraceSource:
 #0 0x00007fe0dc44ef79 in ?? ()
 #1 0x00007fe0dc452388 in ?? ()
 #2 0x0000000000000020 in ?? ()
 #3 0x0000000000000000 in ?? ()
StacktraceTop:
 ?? ()
 ?? ()
 ?? ()
 ?? ()

[Timo Aaltonen (tjaalton)]

install xdiagnose and run 'apport-collect 1283185'

[Launchpad Janitor (janitor)]

[Expired for xorg-server (Ubuntu) because there has been no activity for 60 days.]