At Fri, 29 Nov 2002 01:12:28 -0600, alsa user wrote: > > > Using a Crystal cs4237B device with ALSA drivers from either > the stable release or the latest development release. > When opening and reading from the audio device (/dev/audio > or /dev/dsp0) the system hangs. [Opening the device for write > only is no problem -- and playing music works great.] > > With latest 0.9 release things are definitely better (than with 0.5), > but reading /dev/audio or /dev/dsp0 still causes same lockup. > > What works: > It is possible to record audio using "arecord" or "record" and at the > same time play some tune in a different Unix process using "aplay" > (and ALSA playing quality is outstanding!). It is also possible > to do conference calls with gnomemeeting, however once in a while > the kernel will still freeze. > > What never works: kernel will always freeze within a second > of reading from /dev/dsp0 or /dev/audio (e.g. cat /dev/dsp0). > Detailed configurations attached.
it sounds like a problem on OSS emulation. could you try to playback and capture at the same time _via OSS emulation_ ? it doesn't matter whether it's a single process or not. just run e.g. "play" and "rec" (both from sox) at the same time. thanks, Takashi ------------------------------------------------------- This SF.net email is sponsored by: Get the new Palm Tungsten T handheld. Power & Color in a compact size! http://ads.sourceforge.net/cgi-bin/redirect.pl?palm0002en _______________________________________________ Alsa-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-user
