I installed Jaunty Studio Alpha 5 (update&upgrade) and then installed only linux-rt from ppa.
https://launchpad.net/~ubuntustudio-dev/+archive/ppa I can use/play M-Audio Keystation 49e with jackd and qsynth, but only as root/sudo user. http://www.arkki.info/howto/Ubuntu_Studio/Jaunty/Kuvakaappaus.png If I try same as a user, I get this. I have modified all necessary files. stu...@ubuntu-studio:~$ /usr/bin/jackd -R -dalsa -dhw:0 -r44100 -p256 -n2 no message buffer overruns jackd 0.116.1 Copyright 2001-2005 Paul Davis and others. jackd comes with ABSOLUTELY NO WARRANTY This is free software, and you are welcome to redistribute it under certain conditions; see the file COPYING for details JACK compiled with System V SHM support. cannot use real-time scheduling (FIFO at priority 10) [for thread -1211418944, from thread -1211418944] (1: Operation not permitted) cannot create engine stu...@ubuntu-studio:~$ ---- "Interview: the return of the realtime preemption tree By Jonathan Corbet February 16, 2009" http://lwn.net/Articles/319544/ Best Regards Asmo Koskinen. -- Ubuntu-Studio-users mailing list [email protected] Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-users
