On 4/27/2018 11:54 AM, Robin Murphy wrote: >> I'm taking this back. I observed a crash with the HSA applications: > > FWIW, was this working before, or is this somewhere new that we're only reaching now that pin_userpages can succeed? Yes, HSA application is a different test. Previous DRM library unit test is still passing. It must have some unique characteristic. I'll test your patch and report. -- Sinan Kaya Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.