When this "NULL pointer deference" issue happens, the system still can be reached via SSH. Please see the log file for dmesg output
** Attachment added: "kernel.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1546985/+attachment/4575478/+files/kernel.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1546985 Title: BUG: unable to handle kernel paging request at ffff87ffb88dbf18 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1546985/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs