You can try to debug your problem by following instructions from https://help.ubuntu.com/community/DebuggingSystemCrash
** Changed in: Ubuntu Status: New => Incomplete -- Regularly freezes when shutting down https://bugs.launchpad.net/bugs/121576 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs