On Sat, 11 Apr 2020 at 07:01, Hillf Danton <hdanton@xxxxxxxx> wrote: > > After taking a look at d8a26d8fc37c5b > (drm/mm: revert "Break long searches in fragmented address spaces") > I applied the mentioned patch from the patchwork and the system has been working stably already for 24 hours without any BUG messages in kernel logs, thanks. https://patchwork.freedesktop.org/patch/359278/ All problems solved. -- Best Regards, Mike Gavrilov.