The bug exist in the latest upstream kernel, error messages when try to reboot:
[INFO] task systemd-udevd:1593 blocked more than 120 seconds Not tainted 3.15.0-031500rc5-generic #201405091635 [INFO] task kworker:0:1:153 blocked more than 120 seconds Not tainted 3.15.0-031500rc5-generic #201405091635 [INFO] task reboot:2078 blocked more than 120 seconds Not tainted 3.15.0-031500rc5-generic #201405091635 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1320237 Title: Ubuntu 14.04 LTS unable to reboot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1320237/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
