I suspect this is a duplicate of 63134. Please mark this as as such if you agree.
About 63134: * VIA chipset related * There's a workaround: use "acpi=force" as boot parameter. * The stable kernel.org kernels have had a fix for it for about a month. -- kernel panic on edgy RC https://launchpad.net/bugs/65710 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs