On Wed, Feb 27, 2013 at 7:01 PM, Josh Boyer <jwboyer@xxxxxxxxx> wrote: > On Wed, Feb 27, 2013 at 3:20 PM, Josh Boyer <jwboyer@xxxxxxxxx> wrote: >> On Wed, Feb 27, 2013 at 11:34 AM, Josh Boyer <jwboyer@xxxxxxxxx> wrote: >>> On Mon, Feb 25, 2013 at 7:05 PM, Dave Airlie <airlied@xxxxxxxx> wrote: >>>> Alex Deucher (29): >>>> drm/radeon: halt engines before disabling MC (6xx/7xx) >>>> drm/radeon: halt engines before disabling MC (evergreen) >>>> drm/radeon: halt engines before disabling MC (cayman/TN) >>>> drm/radeon: halt engines before disabling MC (si) >>>> drm/radeon: use the reset mask to determine if rings are hung >>> >>> Something in this series of commits is causing the GPU to hang on reboot >>> on my Dell XPS 8300 machine. That has a: >>> >>> 01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee >>> ATI Caicos [Radeon HD 6450] >>> >>> card in it. After reboots, I get a screen that looks like this: >>> >>> http://t.co/tPnT6xQZUK >>> >>> I can hit it fairly consistently after a few reboots, so I tried doing a >>> git bisect on the radeon driver and it came down to: >>> >>> ca57802e521de54341efc8a56f70571f79ffac72 is the first bad commit >> >> So I don't think that's actually the cause of the problem. Or at least >> not that alone. I reverted it on top of Linus' latest tree and I still >> get the lockups. > > Actually, git bisect does seem to have gotten it correct. Once I > actually tested the revert of just that on top of Linus' tree (commit > d895cb1af1), things seem to be working much better. I've rebooted a > dozen times without a lockup. The most I've seen it take on a kernel > with that commit included is 3 reboots, so that's definitely at least an > improvement. I give up. GPU issues are not my thing. 2 reboots after I sent that it gave me pretty rainbow static again. So it might have been an improvement, but revert it is not a solution. Looking at there rest of the commits, the whole GPU rework might be suspect, but I clearly have no clue. josh _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
