Hi, At Wed, 29 Jan 2003 11:27:38 +0200, Antti Boman wrote: > > Hi, > > I and a few other people have tried to get snd-cmipci (8738 integrated > into ASUS A7V266 motherboard) work with Jack Audio Connection Kit, but > with no success. We tried solving this problem in jack's developer list, > but as there was no success I though (and was adviced) it might be the > ALSA driver problem. > > The thread about the problem can be found at > http://sourceforge.net/mailarchive/forum.php?thread_id=1580464&forum_id=3040 at first, please check which chip model you are using and get the register dump from /proc/asound/card0/cmipci.
> I've gathered the key information here: > > - The sound when playing back is totally garbled, the pitch is lower > than the original, and I get lots of clicking alongside. If I'm not > using jack but alsa output, everything (playing and recording) is ok. > > - I have the lowlat patch installed in kernel, but using or not using it > doesn't seem to change anything. most likely the kernel scheduler is irrelevant. > - The irq for the "card" is 10, and doesn't seem to be shared. I also > have .asoundrc set up. > > - Jack server->client operation works ok, but playing back and recording > cause the troubles. > > - After watching /proc/asound/card0/pcm0p/sub0/status and > /proc/asound/card0/pcm0c/sub0/status, it seems that the wake-up does > not happen in time although using relatively large buffersizes, or: > > - the playback and capture directions might be driven by different > clocks (i.e. they run at different speeds) hmm, it's difficult to know, but i don't think so. could be an interrupt-related issue. > - Using jackd with playback/capture only, it produces the following > message: > jackd: pcm.c:5851: snd_pcm_mmap_commit: Assertion 'pcm' failed that's weird. > - If using kernel real-time patches with playback/capture only, the > system locks up. This doesn't happen with both capture and playback > enabled. i can't produce this on my machine... anyway, i updated the driver a bit. please update the cvs version and report whether it works or not. ciao, Takashi ------------------------------------------------------- This SF.NET email is sponsored by: SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See! http://www.vasoftware.com _______________________________________________ Alsa-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-devel
