FYI, I've disabled SDMA texture copying for Carrizo in Mesa. The VM faults should no longer occur. Marek On Fri, Aug 5, 2016 at 3:22 PM, Mads <mads at ab3.no> wrote: > Just to update, R600_DEBUG=nodma is still needed when updating to > xorg-server 1.18.4, plasma 5.7.3 and linux 4.7.0, and libdrm, mesa and llvm > built from live sources from sometime this week. > > Should this info be in some bugzilla somewhere? > > - Mads > > > On 2016-07-11 23:58, Nicolai Hähnle wrote: > >> The culprit SDMA buffer was actually submitted by the X server, I believe. >> >> Nicolai >> >>> On 11.07.2016 23:52, Mads wrote: Yes, also with 5.7 the corruption >>> appears if I start /usr/bin/konsole or >>> /usr/bin/dolphin (and I guess it will be apparent with more >>> applications, if you want I could test some more). Although, I have no >>> trouble using chromium or steam, playing all sorts of games. As you can >>> see if you look through the thread, it might be reason to believe that >>> plasmashell itself might be the culprit sending the data that corrupts >>> the screen. >>> >>> - Mads >>> >>>> On 2016-07-11 23:42, Marek Olšák wrote: >>>> >>>> Can you see any corruption or is there just the message in dmesg? (It >>>> might just be a page directory fetch and not a memory access) >>>> >>>> Marek
