https://bugzilla.kernel.org/show_bug.cgi?id=61891
--- Comment #24 from Rafael J. Wysocki rjw@rjwysocki.net --- Created attachment 119791 --> https://bugzilla.kernel.org/attachment.cgi?id=119791&action=edit ACPIPHP / radeon: Avoid removing devices that are not really gone
Maybe something like this helps (for radeon).
Totally untested, may kill your hamster pet.