There is a newer version of the kernel than the one you tested when this issue was found. Please test again with the newer kernel and indicate in the bug if this issue still exists or not. You can upgrade just your kernel by running the following in a terminal:
sudo apt-get update sudo apt-get dist-upgrade If the bug still exists in the latest kernel, please change the status back to "Confirmed". If the bug is fixed, please change the status to "Fix Released". Thanks in advance ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/947021 Title: system hang few minutes after unpluggin AC To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/947021/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs