Have you tried running jackd as root? This would also require you to run all your jack applications as root as well. --- Ismael Valladolid Torres <ivalladt@xxxxxxxxxxx> wrote: > I just compiled a vanilla kernel 2.6.15.4 in my G3 > powerpc. Also I > compiled, installed and loaded the realtime-lsm > module and I started > to play with jackd -R and some jack enabled > applications. > > If I start jackd without realtime, everything runs > nicely, of course > with some xruns when I switch windows, manipulate > GUIs and such. This > is more or less what I expected. > > But then I run jackd realtime using qjackctl. I > start amsynth and it > takes a bit longer to load but then runs without a > mess. Sound is > clean, no artifacts, no xruns. > > Then I try horgand. It takes a lot for it to load, > then it sounds > nicely, I get no xruns, but my X Window system > becomes unresponsive. > > Later I try zynaddsubfx. It takes half an hour to > open, and then it > kills qjackctl, leaving the jack server running. > Meanwhile top shows > that zynaddsubfx is taking 35% of memory, and > qjackctl and jackd 25% > each. > > Could this be an issue with the applications, with > the kernel, with > the realtime-lsm module, with priority of my X > Window session? > > I must insist this only happens when jackd is run > with the -R option. > > Is it true that realtime-lsm is deprecated? How do I > enable realtime > preemption on a 2.6.15? > > Any ideas welcome. > > Cordially, Ismael > -- > Dropping science like when Galileo dropped his > orange > > http://lamediahostia.blogspot.com/ > http://www.flickr.com/photos/ivalladt/ > > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com