For those who are having reboot hangs like me, I opened a new bug and also posted a workaround there. Please check if this workaround works for you as well, to identify if it's the same issue. Note that on my machine only 64bit version hangs on reboot, precise 32bit works fine.
see https://bugs.launchpad.net/ubuntu/+source/linux/+bug/985471 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/944772 Title: shutdown does not work To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/944772/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs