It seems likely that this is a duplicate of bug #1938013: kernel 4.15.0-151 is freezing various CPUs.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1938275 Title: UI becomes completely unresponsive To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1938275/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
