On 11/13/22 23:48, Dmitry Vyukov wrote: >> Hi, >> >> I am getting the following deadlock on reservation_ww_class_mutex >> while trying to boot next-20221111 kernel: > The code is recently added by this commit: > > commit 79e2cf2e7a193473dfb0da3b9b869682b43dc60f > Author: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx> > Date: Mon Oct 17 20:22:11 2022 +0300 > drm/gem: Take reservation lock for vmap/vunmap operations Thanks for the report. I reproduced this problem using bochs driver, will send the fix ASAP. -- Best regards, Dmitry