So I've just added the two options to my /etc/default/grub and tested the result. blank screen. reboot blank screen. poweroff poweron balnk screen switch to vt1 and check dmesg:
[ 22.499839] radeon 0000:02:00.0: GPU lockup CP stall for more than 10000msec [ 22.499849] radeon 0000:02:00.0: GPU lockup (waiting for 0x0000000000000002 last fence id 0x0000000000000001) [ 22.500257] radeon 0000:02:00.0: couldn't schedule ib [ 22.500264] [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB ! [ 24.359865] radeon 0000:02:00.0: couldn't schedule ib [ 24.359869] [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB ! [ 24.363135] radeon 0000:02:00.0: couldn't schedule ib [ 24.363137] [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB ! [ 24.364580] radeon 0000:02:00.0: couldn't schedule ib [ 24.364583] [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB ! [ 24.379912] radeon 0000:02:00.0: couldn't schedule ib [ 24.379915] [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB ! [ 24.395807] radeon 0000:02:00.0: couldn't schedule ib [ 24.395810] [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB ! [ 24.412391] radeon 0000:02:00.0: couldn't schedule ib [ 24.412394] [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB ! [ 24.427775] radeon 0000:02:00.0: couldn't schedule ib [ 24.427783] [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB ! [ 24.443358] radeon 0000:02:00.0: couldn't schedule ib [ 24.443367] [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB ! [ 24.459128] radeon 0000:02:00.0: couldn't schedule ib [ 24.459136] [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB ! [ 24.474896] radeon 0000:02:00.0: couldn't schedule ib [ 24.474903] [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB ! [ 24.490934] radeon 0000:02:00.0: couldn't schedule ib [ 24.490941] [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB ! [ 24.506990] radeon 0000:02:00.0: couldn't schedule ib [ 24.506997] [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB ! [ 24.522962] radeon 0000:02:00.0: couldn't schedule ib [ 24.522969] [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB ! [ 24.538939] radeon 0000:02:00.0: couldn't schedule ib [ 24.538946] [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB ! [ 24.554882] radeon 0000:02:00.0: couldn't schedule ib [ 24.554890] [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB ! [ 24.570889] radeon 0000:02:00.0: couldn't schedule ib [ 24.570896] [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB ! [ 24.586851] radeon 0000:02:00.0: couldn't schedule ib [ 24.586858] [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB ! reboot, manually edit my grub config and just removed the $vt_handoff thing and boot. now it works again... I just don't know how to get rid of this by default... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1172447 Title: AMD video card in my Dell Studio 1557 doesn't work correctly after upgrading to 13.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1172447/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
