(In reply to Takashi Iwai from comment #3) > Could you check whether the issue is present with the recent upstream > kernel, e.g. the kernel package in OBS Kernel:stable repo, too? > > Just to make sure. Yes, the issue is present in the recent upstream kernel. Checked against 4.17-rc6 ( kernel-source-4.17.rc6-1.1.g67bdb0d.src.rpm ).