Hi Joerg Upstream commit 07445f688218a48bde72316aed9de4fdcc173131 may help, so I've built some test kernels for you to try.
http://zinc.canonical.com/~cking/lp-919815 Please download the appropriate headers + kernel debs for your system (e.g. amd64, i386 or i386-pae) and install them (using sudo dpkg -i) and see if this helps. ** Changed in: linux (Ubuntu) Status: In Progress => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/919815 Title: Ubuntu freeze on battery after power on/off - blacklisting ath9k stops freeze To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/919815/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs