On Wed, Sep 13, 2017 at 03:08:06PM +0100, Chris Wilson wrote: > Quoting Mika Kuoppala (2017-09-13 15:01:17) > > Evidence indicates that even if the hardware happily > > tells us to proceed with reset, it really isn't ready. > > Resetting a freely running batchbuffer after we have > > got ack for readiness, still can cause a system hang. > > Hmm, so we see it on early gen and late gen. I suggest we do it > universally (except gen2 which is lacking the mechanism). It's unlikely > that the requirement disappeared just for a couple of gen, more likely > that we simply haven't triggered the pathological behaviour. Could just try setting ring enable=false on gen2 maybe? But we don't have GPU reset for gen2 anyway so I guess it doesn't matter. -- Ville Syrjälä Intel OTC _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
