Xorg crashed with SIGABRT in OsAbort()

[Brian K. Mangum]

I received a crash warning.

ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: xserver-xorg-core 2:1.13.2-0ubuntu2
ProcVersionSignature: Ubuntu 3.8.0-6.13-generic 3.8.0-rc7
Uname: Linux 3.8.0-6-generic i686
ApportVersion: 2.8-0ubuntu4
Architecture: i386
Date: Fri Feb 15 11:06:35 2013
ExecutablePath: /usr/bin/Xorg
InstallationDate: Installed on 2012-10-24 (113 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
MarkForUpload: True
ProcCmdline: /usr/bin/X :0 -core -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
ProcEnviron:

Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 raise () from /lib/i386-linux-gnu/libc.so.6
 abort () from /lib/i386-linux-gnu/libc.so.6
 OsAbort ()
 ?? ()
 FatalError ()
Title: Xorg crashed with SIGABRT in raise()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[Apport retracing service (apport)]

StacktraceTop:
 OsAbort () at ../../os/utils.c:1266
 AbortServer () at ../../os/log.c:655
 FatalError (f=f@entry=0xb774fbd0 "Cannot run in framebuffer mode. Please specify busIDs for all framebuffer devices\n") at ../../os/log.c:793
 xf86PostProbe () at ../../../../hw/xfree86/common/xf86Bus.c:574
 InitOutput (pScreenInfo=0xb77c6c60 <screenInfo>, argc=argc@entry=9, argv=argv@entry=0xbf91f6d4) at ../../../../hw/xfree86/common/xf86Init.c:591

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.