(In reply to Takashi Iwai from comment #9) > (In reply to Coly Li from comment #7) > > Let me have a look on this, please give me some hint. Should I get kernel > > source from branch origin/openSUSE-42.3 ? > > The bug was detected on 4.12, i.e. stable branch. Hi Takashi, Get it. There are two questions more from me, 1) The fix is not upstream yet, can I submit it to stable branch now? 2) I guess it should be in stable branch of openSUSE tree on https://github.com/openSUSE/kernel-source/tree/stable, am I right ? Thanks for the hint. Coly