what graphics card do you have? if you have a 7 series card and a dual core CPU it may be Bug #145112
** Changed in: ubuntu Status: New => Incomplete -- gutsy amd64 freeze crash lockup https://bugs.launchpad.net/bugs/157777 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs