Aymeric Mansoux said : > Dan S said : > > Hi - > > > > I don't have firewire kit to test, I'm afraid, but maybe you could try > > running the "latencytop" program (not installed by default, but > > available in the repos) to detect the source of the xruns? >
me neither, can't really tell whats wrong without it :( > sounds like this one should be added to the CD... > yep true, I didn't even know it exists! > > > It could be a question of IRQ priorities I imagine. > > And/Or we need a more recent ALSA.... > I don't think this uses ALSA at all to be honest, its a firewire device that uses the freebob backend as far as I understand. It could be that between now and versions that are in L&P and Miso there have been regressions in the driver code for that device, so one thing one could try is to backport the freebob driver from these versions to karmic and see if it works better. > It would be good to try if a generic kernel + the ALSA backport modules > package would make any difference. > > @Karsten: did you check if we could get the ALSA backports working for > the RT kernel we use? This would be really good to be able to keep this > as fresh as possible. I checked, but its not trivial as it requires quite a lot of tweaking in the packaging part (it also uses this kernel build system that is largely undocumented (or at least not very well documented to date). It should become a priority for the next sprint to develop a kernel engineering process and document it thoroughly. > > @gusano: stupid test/question do you also have xruns when you run jackd > from a console *without* X running? Regarding previous Puredyne > releases, every download mirrors has them, just go to the parent > directories and browse. http://krgn.goto10.org -- tel :: +49 (0) 30.6233.475 mob :: +49 (0) 178.8540.102 pgp :: http://krgn.goto10.org/pubkey.asc
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