I have the exact same issue now at 16.04 LTS. This started to happen recently (~1 month).
$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 16.04.5 LTS Release: 16.04 Codename: xenial $ uname -a Linux lngrad031 4.4.0-139-generic #165-Ubuntu SMP Wed Oct 24 10:58:50 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux System is completely unresponsive (even REISUB doesn't work). I didn't know if I had to start a new bug report. So far I tested it with LUKS encrypted drive. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/811745 Title: Whole system freeze after safely remove external usb drive To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/811745/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
