Comment # 74
on bug 82050
from Christoph Haag
Well. I have said that I used drm-next-3.18 and had these hangs. When I applied http://lists.freedesktop.org/archives/mesa-dev/2014-August/066746.html it did not help. Now I am using 3.17-rc7 with that mesa patch and I do not see these hangs anymore. Or maybe they are these very short stutters. Sorry if drm-next-3.18 behavior is not relevant here. As for the num bytes moved: Does the HUD graph only accumulate everything that happened in the hang? If so, then the hundreds of megabytes still seem more than normal and the used graphs definitely show change before and after the hangs. Whatever you make of that... CONFIG_CMA is not enabled on either kernel. Indeed, there's less moving of data with the rc kernel I think. For comparison: https://www.youtube.com/watch?v=mFaqHGle9Hg
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