On Fri, Jan 17, 2014 at 12:03:24PM +0200, Mika Kuoppala wrote: > With full ppgtt, ACTHD is only relevant inside one context > (address space). Trying to find guilty batch only relying > on ACTHD, the result is false positives as ACTHD points > inside batches on different address spaces. > > Filter out nonrelated contexts by checking on which vm > the ring was running on when the hang happened. Only after > finding the relevant vm, use acthd to find the guilty > batch inside it. Alternatively (or in addtion to) you could walk the request list backwards and stop searching for guilty requests after the first hit. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
