Quoting Chris Wilson (2020-10-07 16:17:18) > The GPU is trashing the low pages of its reserved memory upon reset. If > we are using this memory for ringbuffers, then we will dutiful resubmit > the trashed rings after the reset causing further resets, and worse. We > must exclude this range from our own use. The value of 128KiB was found > by empirical measurement on gen9. Probably should double it to 256K, just to be on the safe side? -Chris
