https://bugzilla.kernel.org/show_bug.cgi?id=150731
--- Comment #8 from Jimi JimiJames.Bove@gmail.com --- Created attachment 228441 --> https://bugzilla.kernel.org/attachment.cgi?id=228441&action=edit dmesg log (amdgpu-pro)
And here's the dmesg log from testing this with amdgpu-pro (without X running), with the crash starting at [137.003975].
amdgpu-pro exhibited almost exactly the same behavior. The only difference was instead of getting a segfault after a few seconds, the terminal session that unbound the card was immediately spammed with the dmesg stack trace in this attached file.