(In reply to Andreas Osterburg from comment #37) > (In reply to Takashi Iwai from comment #36) > > Please try KOTD (kernel-of-the-day) built from the latest git tree instead: > > http://download.opensuse.org/repositories/Kernel:/openSUSE-42.3/standard/ > > > > This is basically the would-be-next-update kernel. > > Ok, now one of the machines runs with "4.4.79-3.gb9215e3-default". > IOMMU is re-enabled again. Reports will follow. No problems within the last 24 hours.