> > Anybody have any tips on what to look at to tweak it? Seems like it should > do better than that... I didn't see it as a problem until in the last few > days I started playing with playing softsynths live directly into Ardour - > you've gotta be running at -p 1024 or there's a latency that screws up your > playing - at 8192 it's a downright 8th note delay... > > Here's some vitals that I can think of: > > OS: gentoo 2.6.6-rc1 kernel (alsa built in) positively ancient! emerge --sync && emerge gentoo-sources will get you a 2.6.12-rc5 or whatever is the freshest.. secondly, disable OSS and ALSA in the kernel config (its ok to leave the toplevel 'sound' box checked) and emerge alsa-driver (to avoid compiling all drivers add a line to /etc/make.conf eg: ALSA_CARDS="mia,intel8x0,intel8x0m,usb-audio,virmidi" if theres still issues, you could try mm-sources (which may have the realtime stuff merged) or the realtime stuff floating around..havent had a need here as the stock gentoo kernel works fine w/ 64 & 128 sample buffer... > jack: 0.99.0 > ardour: beta28 > jack command line: > > jackd -R -d alsa -d hw:0 -r 48000 -p 8192 <------- (or whatever) > > harddrive: > multicount on > io support: 32 bit > unmaskirq on > use dma on > keepsettings off > readonly off > readahead on > > chip: 2ghz amd (I THINK - not at computer now) > ram: 512MB > > > thanks for any ideas! :) > > --------------------- > Aaron Trumm > www.nquit.com > -----------------------
