On Dec 24, 2015 5:34 PM, "Kenneth Graunke" <kenn...@whitecape.org> wrote: > > This morning, I woke up and somehow "knew" what was causing my HS GPU hangs > on Gen7/7.5. It turns out I was (completely) wrong, but through some > miraculous series of illogical leaps, I arrived at a solution anyway.
Congratulations! > I don't honestly know how I got it working on Christmas Eve after > failing to figure it out for months on end. After exhausting every bit > of documentation and every tool available, and finding zero information, > somehow randomly flailing in the dark resulted in a solution, today of > all days. Honestly, I had pretty much no hope for figuring this out, > so I'm relieved to have it working at last... You're worse than I am. If you were that bored, you should have come over and had cookies or something. Now go enjoy Christmas! --Jason > It turns out that setting interleave on the EOT URB write does bad things. > Fixing this fixed all the GPU hangs when releasing inputs one at a time, > I then added back the ability to release inputs in pairs, which caused > more GPU hangs. It turned out I needed to be more careful and enable > both halves. > > Everything seems to be working just fine now, so let's turn it on. > > --Ken > > _______________________________________________ > mesa-dev mailing list > mesa-dev@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/mesa-dev
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