The line that says "ACPI: Invalid PBLK length [5]" is our hint here.
The FreeBSD people seem to have fixed this in their ACPI implementation. >From http://www.freebsd.org/projects/acpi/completed.html, Nate Lawson writes: "Invalid PBLK length workaround -- Accept a PBLK of length 5 (spec says 6). Only enable C2 for this though. Some people may be using 7 to indicate another C3 state but we do not support the extra state." ** Changed in: linux-source-2.6.17 (Ubuntu) Importance: Undecided => Medium Assignee: Simon Law => (unassigned) Status: Needs Info => Confirmed -- [EDGY] ACPI: Unable to turn cooling... https://launchpad.net/bugs/63550 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs