This appears to be confirmed fixed in feisty. One person mentioned some similar breakage, please open a new report about that.
** Changed in: linux-source-2.6.20 (Ubuntu) Importance: Undecided => Medium Status: Unconfirmed => Fix Committed ** Changed in: linux-source-2.6.17 (Ubuntu) Importance: Undecided => High Assignee: (unassigned) => Ubuntu Kernel Team ** Changed in: linux-source-2.6.15 (Ubuntu) Assignee: (unassigned) => Ubuntu Kernel Team -- Power down after shutdown does not work... https://launchpad.net/bugs/43961 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs