Yeah, I also met this issue, and bisection point to this as well :) 32402 19:05:15 cri hig chris@chris-wilson.co.uk shuang.he@intel.com NEW [piketon -next bisected] Many tests make GPU hang and reset Thanks --Shuang On 2010-12-15 11:14, Zhenyu Wang wrote: > Chris, just notice you removed pipe control notify entirely on -next, > that seems wrong to me. In Ironlake time, we've seen interrupt stall issue > with user interrupt, and be warned user interrupt is deprecated, so we moved > on to use pipe control notify, although there's a workaround later covered > that's required on Ironlake. But it's stable finally. And for sandybridge, > there's no such workaround needed. > > btw, could you also send mails for changes on -next? It'll be easy to be > notified. >