Hi there, What version of JACK? What version of wineasio? Native Instruments apps are known to be a little troublesome -- have you tried any other ASIO apps, e.g. Reaper? Regards, -- Peter On 08/11/2010 17:35, Cosmo Lee wrote: > Ubuntu 10.04. Wine 1.2 > > I'm running Native Instruments Kontakt 4 under Wine. It runs fine except for > occasional stutters, so I wanted to try enabling Realtime in Jack, but I have no > luck with this. (I have made recommended edits to the limits.conf file, though > I've read that this is no longer necessary(?): > @audio - rtprio 100, @audio - memlock 250000) > > When I start up Kontakt, I see "ASIO_Kontakt 4" appear in the Jack Connections > "Readable Clients/Output Ports" window in the Audio tab, which is normal. However, > it quickly disappears, and when Kontact boots fully, no sound libraries can be > loaded and the program locks up. > > This appears only to be a problem with running Kontakt & Wine. I can run native > Linux synths such as ZynAddSubFX without any problem with Realtime enabled. > > I've tried doing this with a Realtime Linux kernel and a non-RT, same problem > with either. > > Have I missed something? > > > > > >