It seems that I have the same issue with my HP ZBook that Ubuntu doesn't boot since kernel 4.15.0-72-generic release.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1856387 Title: Freezing on boot since kernel 4.15.0-72-generic release To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1856387/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs