[Bug 73901] Kernel crash after modprobe radeon runpm=1

bugzilla-daemon
2014-04-14T16:57:55Z

--- Comment #4 from Alex Deucher <alexdeucher@gmail.com> ---
Your system does not appear to have the ATPX acpi methods that are required for
runtime pm to work properly (required to power off the dGPU). You should see
something like:
ATPX version X, functions 0xXXXXXXXX
in your dmesg output.