> May I have a question, which dievce you use in this failure scenario? > I think it is same issue due to SSU fail, and wlun devcie pm enter > error state. So the cunsomer(scsi lu device) is block in suspend state > and connot resume to reduce pm_only lead to IO hang. > > Thanks. > BR > Peter I don't think it is device specific. I am pretty sure it is the same problem, for it traces to the same origin and your patch fixes the issue (though with a lot of log spam which is a bit unfortunate, but we can live with that) --Daniil
