I am having a similar issue on my Dell Inspiron 700m with i915 display, i left the system unattended for 30 minutes and the system was totally locked up, had to hard boot. I checked the system logs but nothing there. I am using the beta version downloaded some 12hrs back.
-- Could not install Karmic. https://bugs.launchpad.net/bugs/416660 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