On Sun, Mar 8, 2009 at 10:54 AM, Asmo Koskinen <[email protected]>wrote:
> Eric Hedekar kirjoitti: > > > On Sat, Mar 7, 2009 at 2:12 PM, Asmo Koskinen <[email protected] > > <mailto:[email protected]>> wrote: > > > > cannot use real-time scheduling (FIFO at priority 10) [for thread > > -1211418944, from thread -1211418944] (1: Operation not permitted) > > cannot create engine > > > > Hmm, strange. When you boot into the vanilla kernel, do you get this > > same error? > > No - when I use it without -R option. Jackd works without -R, but then > there is lots of xruns, when you play with Ardour2. > > 1. > stu...@ubuntu-studio:~$ uname -a > Linux ubuntu-studio 2.6.28-8-generic #28-Ubuntu SMP Thu Mar 5 21:49:36 > UTC 2009 i686 GNU/Linux > stu...@ubuntu-studio:~$ > > 2. > 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 > -1212401984, from thread -1212401984] (1: Operation not permitted) > cannot create engine > stu...@ubuntu-studio:~$ > > 3. > stu...@ubuntu-studio:~$ /usr/bin/jackd -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. > loading driver .. > apparent rate = 44100 > creating alsa driver ... hw:0|hw:0|256|2|44100|0|0|nomon|swmeter|-|32bit > control device hw:0 > configuring for 44100Hz, period = 256 frames (5.8 ms), buffer = 2 periods > ALSA: final selected sample format for capture: 32bit integer little-endian > ALSA: use 2 periods for capture > ALSA: final selected sample format for playback: 32bit integer > little-endian > ALSA: use 2 periods for playback > > **** alsa_pcm: xrun of at least 0.777 msecs > **** alsa_pcm: xrun of at least 0.576 msecs > **** alsa_pcm: xrun of at least 5.540 msecs > **** alsa_pcm: xrun of at least 0.118 msecs > **** alsa_pcm: xrun of at least 2.678 msecs > **** alsa_pcm: xrun of at least 6.053 msecs > > 4. > stu...@ubuntu-studio:~$ ardour2 > Ardour/GTK 2.7.1 > (built using 4296 and GCC version 4.3.3) > ---- > > So rt-linux is still broken, maybe some day. > > Only stable Studio with rt-linux is Hardy. > > 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 > Asmo, do you need capture ports? And would 3 periods work better than 2? Alex. -- Parchment Studios (It started as a joke...)
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