Comment 23 for bug 441653

Hello same problem here with an Intel Graphics Card :
00:02.0 VGA compatible controller [0300]: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 12)

uname -r -m
2.6.32-22-generic x86_64

Xorg.1.log
Fatal server error:
xf86OpenConsole: VT_WAITACTIVE failed: Interrupted system call

Please consult the The X.Org Foundation support
  at http://wiki.x.org
 for help.
Please also check the log file at "/var/log/Xorg.1.log" for additional information.

 ddxSigGiveUp: Closing log