On Thu, Mar 15, 2007 at 04:44:43PM -0400, Andrew Walsh wrote:
> I am trying to run JACK using the PulseAudio plugin for ALSA.  When I 
> try to start JACK, I get an error saying that mmap-based access is not 
> possible for the audio interface.  Is it correct that there is no mmap 
> support in the PulseAudio ALSA plugin?  If so, does anyone know of a way 
> around this to get JACK running with ALSA & PulseAudio?

Using jack with the PulseAudio ALSA plugin is not a good idea because it
would likely cause timing problems in jackd (and it doesn't work anyway, as
you found out). What you really want to do is start jackd running with
direct access to the alsa hardware and have PulseAudio input/output to jackd
via module-jack-sink/-source. This is known to work very well and provides
nearly all the same functionality.

-- 
CJ van den Berg

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