Re: Real-world reports on two Delta 1010LTs/ice1712 synched?

[Doug McLain <doug@nostar.net>]

John Rigg wrote:

> There are a few things to be aware of. After it took me 2 months to get
> two Delta 1010s working I put up a web page about it at
>
> http://www.sound-man.co.uk/linuxaudio/ice1712multi.html
>

John,

Great page! This website was great news for me, and I immediately stuck
a 2nd delta into my machine today and went to it.

I upgraded to kernel 2.6.14, added the privided .asoundrc to my
/etc/asound.conf, applied the MMAP_COMPLEX patch to jack 100.7, applied
the pcm_multi-patch to alsa-lib 1.0.10 and applied the envy24 patch.

I am happy to say that seperate capture and playback of 16 tracks works
wonderfully.  I'm using spdif-out of card 0 to spdif-in of card 1 for
clocking at the moment, the recordings and playbacks sound perfect.  I
tested by playing 8 tracks (4 out of each card, all i had was 1 8-way
snake to test with atm) out of the delta's into a fostex G16 1/2" analog
reel, then played back out of the reel, again into 4 tracks of each card
and into ardour.  Everything seemed to be perfect, when running jack
with -C or -P.  I use -R for both the captures tests (recording into
ardour) and playback tests.

When trying to run duplex via: jackd -d alsa -C multi_capture -P
multi_playback (with or without -R), I get:

jackd watchdog: timeout - killing jackd
Aborted

And jackd dies.  I did nm /usr/lib/libasound.so|grep
snd_pcm_multi_link_fd to make sure that the patch applied correctly, and
nothing was returned, so all looks good there.  Does anyone have any 
advice for me?

Doug
--
http://nostar.net/



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