(In reply to Ali Abdallah from comment #3) > (In reply to Takashi Iwai from comment #2) > > BTW, could you try 5.4.0 kernel, and see whether the hibernate resume works? > > If it's fixed between 5.4.0 and 5.4.82, we may easily bisect. > > Just checked, hibernate/resume "works" on 5.4.1, but not in a reliable way, > in the sense that it doesn't work 2/3 times in a row. Do you mean 5.4.0 didn't work at all but 5.4.1 works in some level? Or all 5.4 works more or less from the beginning? And 5.4.82 works more reliably, or it also shows the same problem?