I cherry-pick the upstream patch c5da9a2bb24a7928c39495cdabf98d3f7931bde5 Could you give it a try to see if the problem solved?
http://people.canonical.com/~acelan//bugs/lp131292/ -- dell dimension 9200 - reboot doesn't work https://bugs.launchpad.net/bugs/131292 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
