https://bugs.freedesktop.org/show_bug.cgi?id=71930
--- Comment #15 from sotiris papadimitriou sotiris21papadimitriou@gmail.com --- $ sudo cat /sys/kernel/debug/vgaswitcheroo/switch 0:IGD:+:DynPwr:0000:01:05.0 1:DIS: :DynPwr:0000:02:00.0 The DynPwr should exist on both cards or only the dGPU? Does runpm extinguished and the two cards and the computer freezes?