Hi Michel, Yes, I found the same issue and the bug has been fixed by Jerome: 876b462120aa mm/hmm: use reference counting for HMM struct The fix is on hmm-for-5.1 branch, I cherry-pick it into my local branch to workaround the issue. Regards, Philip On 2019-02-27 12:02 p.m., Michel Dänzer wrote: > > See the attached dmesg excerpt. I've hit this a few times running piglit > with amd-staging-drm-next, first on February 22nd. > > The memory was freed after calling hmm_mirror_unregister in > amdgpu_mn_destroy. > >
