On Sat, 12 Jan 2019 21:15:58 +0100 Orm wrote: > My /etc/security/limits.conf says: > > @orm - memlock unlimited > @orm - rtprio 99 > > lmms is running with the "orm" userid. those settings are normally set for the 'audio' group, not a single user - most conventionally JACK and all jack programs should be run by a user of the 'audio' group; though on arch i think that is now the 'realtime' group