Quoting Jani Nikula (2017-11-21 09:57:30) > On Mon, 20 Nov 2017, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote: > > I should have admitted defeat long ago as there has been a rare but > > persistent error on Sandybridge where semaphore signaling did not > > propagate to the waiter, leading to a GPU hang. > > I'm late to the party, but I think the choice of patch ordering here is > a bit unfortunate. Or is it intentional that you can't backport this to > stable as-is? The unmentioned problem with this patch, is that we were using semaphores to mask the missed-breadcrumb-syndrome on Sandybridge (and that without semaphores we are even more at risk). So I am not too concerned in backporting this particular patch further than we are able to inspect ourselves. -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
