The above failure was exactly what I was originally experiencing in 18.04 with 4.15.0-38-generic; The only way to recover is to power off and back on.
The AMDGPU failure seems to be another (sporadic) issue - it's the first time I've seen it fail this way ... More watching and testing required! ** Tags added: kernel-bug-exists-upstream ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1800859 Title: Fail to wake from suspend in Ubuntu 18.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1800859/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs