https://bugs.freedesktop.org/show_bug.cgi?id=99851 --- Comment #25 from intermediadc@hotmail.com --- Hi Alex, yesterday i fixed. googling i found and old post made here in bug.freedesktop pratically the bug is in xorg and well reported https://bugs.freedesktop.org/show_bug.cgi?id=98524. when the gpus are in the others slots not the first one 16x is need to manually set the busid to eg: 6@1:0:0 or xorg will fail with a black frozen screen. this issue is not present if the bus is the first one where is just need to set 10:0:0. but on first one cafedead come. Thanks Luigi -- You are receiving this mail because: You are the assignee for the bug.