Derrick can you try this on Ubuntu 12.04 LTS or on a later version please? Thank you very much.
** Changed in: acpi (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/244021 Title: systems hangs while switching to baterry power To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/acpi/+bug/244021/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs