Hi Russell, Am Dienstag, den 26.06.2018, 17:48 +0200 schrieb Lucas Stach: > Hi Russell, > > Am Dienstag, den 26.06.2018, 16:36 +0100 schrieb Russell King - ARM > Linux: > > On Tue, Jun 26, 2018 at 09:17:26AM +0100, Russell King - ARM Linux > > wrote: > > > On Tue, Jun 19, 2018 at 02:28:46PM +0200, Lucas Stach wrote: > > > > Agreed. I'll look into bringing back the process detection for > > > > 4.17 > > > > stable. > > > > > > > > I'm still curious why the GC600 on the Dove is that slow. With > > > > performance like this moving a big(ish) window on the screen > > > > must > > > > be a > > > > horrible user experience. > > > > > > This doesn't seem to be the cause - it seems that there's > > > something > > > going on with 4.17 that really is causing the Dove GC600 to get > > > stuck. > > > Reverting all the drivers/gpu/drm/etnaviv changes back to the > > > 4.16 > > > state while keeping everything else the same results in no hangs, > > > whereas increasing the timeout with 4.17 still results in hangs. > > > > > > I'll try to find some time to bisect. > > > > Sorry, it seems that my attempts to change what was running on the > > system were ineffective (due to the etnaviv module loaded from the > > initramfs, not from the fs copy I was updating.) Extending the > > timeout to 5 seconds does indeed stop the issue. > > Thanks for confirming that the issue is caused by the removed > progress > check. > > > More importantly, it stops some memory corruption I've observed as > > well, caused by etnaviv freeing buffers when it thinks the GPU has > > timed out while the GPU is still writing to them. > > Urgh, that is really bad. I'll get a fix out of the door tomorrow. I've just sent a patch do to this. Can you please confirm that this fixes your issue on GC600? Thanks, Lucas _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel