Hi Jianchao. jianchao.wang - 17.04.18, 16:34: > On 04/17/2018 08:10 PM, Martin Steigerwald wrote: > > For testing it I add it to 4.16.2 with the patches I have already? > > You could try to only apply this patch to have a test. :) I tested 4.16.3 with just your patch (+ the unrelated btrfs trimming fix I carry for a long time already) and it did at least 15 boots successfully (without hanging). So far also no "error loading smart data mail", but it takes a few days with suspend/hibernation + resume cycles in order to know for sure. Thanks, -- Martin