[LAU] LinuxSampler or JACK or what is the trouble?

Julien Claassen julien at c-lab.de
Wed Jan 30 12:11:56 EST 2008

Hi everyone!
  I've still got some problems with my LS. I can load smaller gigsampler (upto 
650M for sure) and even larger ones, bUT...
  But when I load my Old Lady Grand (1.3G) it loads perfectly, but when I try 
to connect LS to JACK the following happens:
  [Linuxampler console]
[copeous output]
Caching initial samples...OK
cannot complete execution of the processing graph (Resource temporarily 
zombified - calling shutdown handler

  [JACK console]
[copious output]
Noise-shaped dithering at 16 bits
jackd watchdog: timeout - killing jackd

  what's the trouble. I just compiled JACK 0.109.1 (svn from 29.01.2008) and 
0.5.1 (tarball). My kernel is:
host # uname -a
Linux bach #2 PREEMPT RT Sun Dec 30 22:43:22 CET 2007 i686 
  I've got 512M RAM (no Xserver running), so mostly unused.
  I compiled my LS with 8 diskstreams min and 140 max, and max 128 voices, the 
rest was decided by the configure script. I even tried reverting the 
disk-stream options and the voices to normal.
  Jack was compiled without a lot of drivers I don't need, and with
--enable-resize --enable-timestamps --enable-sse --enable-mmx 
  I start my jackd with:
jackd --timeout 4000 -R -d alsa -d hw:1 -r 48000 -H -M -p 256 -z shaped
  I've got a 1.8Ghz CPU and my soundcard is an MAudio Delta 1010LT.
  One last note: I checked memory sage with top: Even with the big gigasample 
it only takes 41% and CPU-usage is marginal.
  So where would you suspect the most possible source for my problem?
  Kindest regards

Music was my first love and it will be my last (John Miles)

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