I get a black screen too, if I SSH in and dmesg I get this in the log:
[ 8.025978] [drm:atom_op_jump [radeon]] *ERROR* atombios stuck in loop for more than 5secs aborting [ 8.025995] [drm:atom_execute_table_locked [radeon]] *ERROR* atombios stuck executing E4DE (len 2650, WS 0, PS 8) @ 0xEAE6 [ 8.121017] [drm:radeon_dp_link_train [radeon]] *ERROR* clock recovery reached max voltage [ 8.121038] [drm:radeon_dp_link_train [radeon]] *ERROR* clock recovery failed
I get a black screen too, if I SSH in and dmesg I get this in the log:
[ 8.025978] [drm:atom_op_jump [radeon]] *ERROR* atombios stuck in loop for more than 5secs aborting execute_ table_locked [radeon]] *ERROR* atombios stuck executing E4DE (len 2650, WS 0, PS 8) @ 0xEAE6 dp_link_ train [radeon]] *ERROR* clock recovery reached max voltage dp_link_ train [radeon]] *ERROR* clock recovery failed
[ 8.025995] [drm:atom_
[ 8.121017] [drm:radeon_
[ 8.121038] [drm:radeon_