I've had an error for a bit now with an acpivout crash using not yet
supported amdgpu hardware. The following diff seems to fix it, though I
imagine there's probably a more elegant way to fix it than simply deleting
the line. I've attached images of the output from the crash.
--- /home/burne251/src/sys/dev/acpi/acpivout.c Thu May 21 11:45:36 2020
+++ /home/burne251/Projects/src/sys/dev/acpi/acpivout.c Thu May 21 15:43:30