Re: pcm_multi broken in alsa-lib - no duplex mode with jackd

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At Thu, 08 Mar 2007 18:16:02 +0100,
Simon Lewis wrote:
> 
> Dear ALSA Developers
> 
> When I attempted to combine several device drivers using the pcm_multi
> function in .asound.conf I learned the hardway that pcm_multi doesn't
> work in duplex mode with jackd. Apparently pcm_multi was broken in
> alsa-lib 1.0.9rc1 and has never been fixed.
> 
> Many JACK users have successfully used the following patch:
> 
> http://www.sound-man.co.uk/linuxaudio/pcm_multi-patch

Well, the patch is no real fix.  It's likely a workaround for JACK,
though.  Someone has to take time to track down this bug more deeply.

> I have since learned that many studio64 users have been bitten by this bug.
> 
> Please, please, please add the above patch to version 1.014 of ALSA libs
> before they are finally released as stable.

I just thought this bug got fixed long time ago as I haven't seen
often on this list for long time...  Pinging here is often the best
way to trigger bug fixing.


Takashi

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