This bug is reappearing on my x86_64 system after the latest update of Tumbleweed (20170120). A restart of amavis.service seems to repair the situation. The error message which stops the service is: jan 23 07:33:06 eiktum.beelaertsict.nl amavis[1654]: (01654-20) (!)Amavis::END: DB unregistering failed: