Jarlath, Have you tried the kernel boot option specified in the previous comment by Michal? On older PCs (like Michal's) ACPI is disabled by default because it didn't physically exist in most PCs back around 1999. If a PC from this era does happen to have ACPI functionality then you must force the kernel to use it by using the kernel boot option acpi=force. Gutsy carries a warning about this at boot time if it discovers an older PC. If you have a modern PC and are having similar trouble then you should consider filing a new bug report.
** Changed in: linux-source-2.6.15 (Ubuntu) Status: New => Incomplete ** Changed in: linux (Ubuntu) Status: New => Incomplete -- Pressing power button hangs the system with 2.6.15-20-686 https://bugs.launchpad.net/bugs/40243 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs