The patch from here (http://bugzilla.kernel.org/attachment.cgi?id=8356&action=view) fixes the bug.
I attached a patch which works for me with ubuntu-dapper kernel-source. -- ACPI-battery monitoring stops working after some time https://launchpad.net/bugs/47561 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
