Xorg crashed with SIGSEGV in InitOutput()

[JuanC]

Ubuntu 9.04 Beta crash at startup throw VirtualBox

ProblemType: Crash
Architecture: i386
CrashCounter: 1
Disassembly: 0x0:
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/bin/Xorg
Package: xserver-xorg-core 2:1.6.0-0ubuntu6
ProcAttrCurrent: unconfined
ProcCmdline: Xorg :99 -configure
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
ProcVersion: Linux version 2.6.28-11-generic (buildd@palmer) (gcc version 4.3.3 (Ubuntu 4.3.3-5ubuntu4) ) #38-Ubuntu SMP Fri Mar 27 09:00:52 UTC 2009
Signal: 11
SourcePackage: xorg-server
Stacktrace:
 #0 0x00000000 in ?? ()
 #1 0x080b028a in InitOutput ()
 #2 0x08072111 in main ()
StacktraceTop:
 ?? ()
 InitOutput ()
 main ()
ThreadStacktrace:
 .
 Thread 1 (process 2541):
 #0 0x00000000 in ?? ()
 #1 0x080b028a in InitOutput ()
 #2 0x08072111 in main ()
Title: Xorg crashed with SIGSEGV in InitOutput()
Uname: Linux 2.6.28-11-generic i686
UserGroups:

xkbcomp:

[Apport retracing service (apport)]

StacktraceTop:?? ()
InitOutput (pScreenInfo=0x81f6c00, argc=3, argv=0xbfb7b934)
main (argc=3, argv=0xbfb7b934, envp=0xbfb7b944)