I was able to reproduce this with kernel 5.0.0 too. Isn't it possible that this is not caused by the kernel? I don't think I had this issue back then - it's something more recent.
** Attachment added: "Logs from a previous session that crashed with kernel 5.0.0" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1917674/+attachment/5476815/+files/prevboot.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1917674 Title: [amdgpu] kernel crash when resuming from automatic suspension to RAM To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1917674/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
