the same behavior here with a intel 855GM graphic chip and the karmic release. Only booting with "acpi=off" option helps so that X is not freezing anymore, the boot option "nomodeset" does not change anything, X will still freeze after a while.
-- [i855] [karmic] X freezes with intel 855GM videocard https://bugs.launchpad.net/bugs/476817 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