https://bugs.freedesktop.org/show_bug.cgi?id=64746 --- Comment #1 from Marc Collin --- i tried to use vgaswitch cat /sys/kernel/debug/vgaswitcheroo/switch 0:IGD:+:Pwr:0000:00:02.0 1:DIS: :Pwr:0000:01:00.0 first i tried init 3 echo "0000:00:02.0" /sys/kernel/debug/vgaswitcheroo/switch init 5 still intel video card used by glxgears -info init 3 echo "0000:01:00.0" /sys/kernel/debug/vgaswitcheroo/switch init 5 still intel video card used by glxgears -info -- You are receiving this mail because: You are the assignee for the bug.