> > > ./configure --with-default-tmpdir=/mnt/ramfs --enable-capabilities > > > --enable-realtime > > > > > Not sure but don't think you need --enable-realtime. > > I am, you need it. > I had never heard of that option until this email: if you do a ./configure --help in the jack source directory it isn't mentioned, also it is not mentioned on the jack site. I have tried to compile with this option and it doesn't seem to make any difference.. I can run jack with the -R option either way. What effect is it supposed to have? Or is it enabled by default? James