Please change /etc/xorg.conf file in Driver section from "openchrome" to "vesa". Is it helps?
Please try run Ubuntu LiveCD and check if this problem exist in that Live CD. Maybe it is hardware problem. Check the temperature of the motherboard/processor. Also hard drive can have bad sectors. -- [Jaunty and Interpid] Random system crashes. https://bugs.launchpad.net/bugs/356882 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