I have the same problem. You should look into the jack control setup and play around with the period and buffer. Pd with other than 2 periods start to give lot of sync erros. The problem is that in a firewire device 2 periods is not enough. So for me its a Pd issue in here. Try it with 2 periods and see if pd gives errors(jack will start to have xruns but its only to test pd).
Cya On 6 Mar 2010 10:05, "Oded Ben-Tal" <[email protected]> wrote: thanks for the pointers. The setup of rt kernel is one of the main reasons I'm using planetCCRMA version (where nando manages to take care of these issues letting normal users access rt priorities). I am still baffled by the fact that I get synch errors from pd even when not doing any audio (no patch open. and these are not only the initial errors when launching pd). And also the fact that I can get good audio playback reliably from snd (soundeditor). Doesn't that suggest that the problem is not with jack/firewire but perhaps with pd? Oded > > https://help.ubuntu.com/community/UbuntuStudioPreparation#line-127 > > Roman > > > On Thu, 20...
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