On Sun, 2011-04-17 at 15:40 -0400, Bob Gleitsmann wrote: > Good day, night, or whatever, Hey, I've pushed a fix for this (solution 2 that you mentioned) to nouveau's git tree. I'll get it to Dave with the next batch of fixes for .39-rc. Ben. > > The above mentioned commit which changed the flags passed to nouveau_gem_new to > domain creates a problem in nouveau_notifier_init_channel (in > nouveau_notifier.c) when it calls nouveau_bo_pin with the domain flags. That > function seems to want TTM_PL_FLAGs. If this problem is not fixed, notifier > allocation during channel allocation goes awry the kernel thinks that the gpu > is locked up and switches to software fbcon, and X is gone. The solution is > obvious. However, I am not clear on what the original purpose of the patch was > nor why the TTM placement flags and the NOUVEAU placement flags are reversed for > GART and VRAM. I'm not saying there isn't a good reason, I just don't know > what it is. The choices are: > 1. Revert the patch > 2. Add code to nouveau_notifier_init_channel to pass the TTM_PL_FLAGS to > nouveau_bo_pin. > 3. Change nouveau_bo_pin so that it accepts the nouveau domain flags, and fix > every place that nouveau_bo_pin is called (not all that many) to give it the > flags it will then expect. > 4. None of the above > > Maybe this is only a problem with earlier cards. I have a 6800 Ultra. It's > hard to believe that no one else noticed it for a month as it's pretty difficult > to ignore. > > Best Wishes, > > Bob Gleitsmann > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
