All 3 of my machines survived overnight testing on the 5.5-rc6 mainline build[*]. Next step is to try 5.3. 5.3 mainline doesn't boot on these systems, so I'll use Ubuntu's 5.3.0-24.
[*] https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.5-rc6/
All 3 of my machines survived overnight testing on the 5.5-rc6 mainline build[*].
Next step is to try 5.3. 5.3 mainline doesn't boot on these systems, so I'll use Ubuntu's 5.3.0-24.
[*] https:/ /kernel. ubuntu. com/~kernel- ppa/mainline/ v5.5-rc6/