On Wed, 2006-12-20 at 10:34 +0000, J M Needham wrote: > So I've just installed Ubuntu 6.09, and followed the instructions on > http://fort2.xdas.com/~kor/oss2jack/install.html to install the > realtime-lsm module and I've added > @audio - rtprio 80 > @audio - memlock 500000 > > to /etc/security/limits.conf and set the realtime mode on Jack. Seems ok, > the only thing is that I can't get below 5.8 ms latency. Jack's behaving > nicely with very few xruns, but won't do any better. The output of the > messages with 32 frames for capture, for example, is: > > 10:41:35.039 Startup script... > ... > configuring for 44100Hz, period = 32 frames, buffer = 2 periods > ALSA: cannot set period size to 32 frames for capture > ALSA: cannot configure capture channel > cannot load driver module alsa It looks like your hardware simply can't handle buffer sizes that small. -- Lars Luthman - please encrypt any email sent to me if possible PGP key: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x04C77E2E Fingerprint: FCA7 C790 19B9 322D EB7A E1B3 4371 4650 04C7 7E2E
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