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alsa: only one process at a time?



I switched from the kernel's built-in OSS sound driver to the ALSA
driver in hopes that I can not worry about which process has the sound
device open and also not have the overhead of esd or arts.  (when
trying to play a movie, the combination of the slow video card and the
not-fast-by-todays-standards CPU means that with esd the sound ends up
lagging sorely behind the video)

However, if I start two xmms processes (both configured to use the
alsa driver) the second one to start playing "hangs" until the first
stops and releases the sound device.  Have I configured something
wrong, or is this just the result of an antiquated sound card?

(the sound card in the machine with the problem is a Sound Blaster Pro)
(I just verified/noticed that on the ESS Maestro 2E at work two
 instances of xmms can play simultaneously via the alsa driver)

TIA,
-D

-- 
"...In the UNIX world, people tend to interpret `non-technical user' as
meaning someone who's only ever written one device driver."
    --Daniel Pead
 
http://dman13.dyndns.org/~dman/

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