I have the same problem. It occurs in the standard Jaunty distribution. I can add, that it also occurs after one installs the "optimal" configuration of the HOWTO: "Jaunty Intel Graphics Performance Guide" from www.ubuntuforums.com:
http://ubuntuforums.org/showthread.php?t=1130582 Kernel 2.6.29.4 (2.6.29-02062904-generic) xorg xorg-server 2:1.6.0-0ubuntu14 -- X restart after suspend and/or hibernate https://bugs.launchpad.net/bugs/379417 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs