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 >>