(In reply to Mowley from comment #5)
> I'm guessing that my XOrg log file would now be superfluous?

Yeah, actually comment 3 was intended for another bug report, sorry.

Christian, any idea how the commit below could cause this?

commit 7aa1a511336dd7cb26dafef81d76edd6978a6cdf
Author: Christian König <christian.koenig@amd.com>
Date:   Wed Aug 1 20:44:44 2018 +0200

    amdgpu: stop using the hash table for fd_tab