Okay, I'm sorry. I was confused because adding the user to the jackuser group did not appear to do anything, even after a newgrp command.
However, after a reboot, jackd started to use realtime scheduling and all is well. On Sun, Jan 27, 2019 at 12:26 AM Misha Ramendik <[email protected]> wrote: > Hello, > > This is probably a FAQ, but I could not find the information anywhere. How > do I enable realtime scheduling and memory locking in modern Fedora? I have > v 28 now, maybe will have v29 soon. > > On my main work laptop, I can't exactly remove the system and install > Fedora JAM :) so I need to do this on stock Fedora. I understand that > setuid on jackd and fluidsynth would probably make things better but is > this the best solution? > > I also need to have this on a live-USB for another laptop, but that is a > rather tricky case. A pretty humble machine (AMD A6, 4Gb RAM laptop) is to > be used as a "sound box" with MIDI instruments. I don't think a heavy > KDE-based distribution is the ideal live image for it. If I could respin > Fedora JAM into something based on IceWM, or at least LXDE, that would be > great. > > And finally, for future reference, I would appreciate knowing how to do > the same (enable realtime scheduling and memory locking) on CentOS. I am > asking this in case I doinstall Linux on that AMD A6 laptop permanently. My > wife uses this laptop, so I'd want something less frequently updating than > Fedora, so it will be CentOS (or, if I can't get CentOS to run on the > hardware, OpenSUSE). > > -- > > Mikhail "Misha" Ramendik > > SENIOR TECHNICAL WRITER > > Red Hat Ireland > <https://www.redhat.com/>[email protected] M: +353-87-9409618 > <https://red.ht/sig> > -- Mikhail "Misha" Ramendik SENIOR TECHNICAL WRITER Red Hat Ireland <https://www.redhat.com/>[email protected] M: +353-87-9409618 <https://red.ht/sig>
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