Based on my comment #6, could this be related to #1782347 in any way, as this only happens when graphics is involved? Please note however that #1782347 is about Ubuntu only, while this bug is about both Ubuntu and XUbuntu.
Thanks, MZ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1781889 Title: System freezes on restart or shutdown To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1781889/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
