I have the same problem on a Shuttle PC K45 dmesg gives:
[ 4346.132237] ACPI: Unable to turn cooling device [f7418738] 'on' [ 4352.132250] ACPI: Unable to turn cooling device [f7418738] 'on' [ 4358.132229] ACPI: Unable to turn cooling device [f7418738] 'on' [ 4364.132245] ACPI: Unable to turn cooling device [f7418738] 'on' uname -a -p -i: Linux aurora 2.6.27-11-generic #1 SMP Fri Dec 19 16:29:52 UTC 2008 i686 GNU/Linux. Shuttle PC K45 has 5 speed settings for the CPU fan: Auto Very low Low Medium High Setting the speed to Auto makes the Ubuntu reset all the time probably due to overheating (when the processor is in use for extended period of time of 1-2 minutes) The processor in use is Celeron 420. -- ACPI: Unable to turn cooling... https://bugs.launchpad.net/bugs/63550 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