N.B. This thread relates to sound via a standard LTSP session, i.e. we are not 
using an rdesktop screen script.

Since our upgrade to LTSP5, sound from our rdesktop sessions has stopped 
working.  Worse, it bombs users out of their Windows session with the error:

  rdesktop: pcm_params.c:2351: sndrv_pcm_hw_params: Assertion `err >= 0' \
    failed.
  Aborted

Under 4.2 it was working beautifully simply by prefixing rdesktop with esddsp, 
e.g...

  $ esddsp rdesktop -r sound:local 192.168.0.1

... but removing esddsp or replacing with padsp causes exactly the same error 
message.  I suspect with alsa the esddsp/padsp fix is no longer required, but 
why does it not work?

I have even tried pointing padsp at the client pulseaudio device...

  $ padsp -d -s 192.168.0.41:4713 -n rdesktop rdesktop -r sound:local \
    192.168.0.1

Does anyone have a view on this?  Does anyone have sound in LTSP5 from a 
Windows terminal server, and if so how?

Thanks!
-- 
Chris Roberts

LTSP Version    : 5.1.9-1
Distribution    : Debian Etch
Windows Manager : KDE 3.5

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