[linux-audio-user] question about jackd/qjackctl options

Paul Davis paul at linuxaudiosystems.com
Sat Apr 1 07:12:08 EST 2006

On Sat, 2006-04-01 at 13:33 +0300, Sampo Savolainen wrote:
> On Sat, 2006-04-01 at 03:02 -0500, Eric Dantan Rzewnicki wrote:
> > >       -s, --softmode
> > >               Ignore xruns reported by the ALSA driver.  This makes JACK less
> > >               likely  to  disconnect  unresponsive ports when running without
> > >               --realtime.
> > 
> > So, to be clear, this means that softmode and realtime are effectively 
> > mutually exclusive?
> In practice yes. There is no point in running both in softmode and
> realtime. The worst case scenario is that a client gets deadlocked
> within the process() thread and takes over jackd (in the absolutely
> worst case, the whole computer) as the jack watchdog thread doesn't kill
> the client.

actually, this is the opposite of the intent.

softmode is there mostly for people who want to use JACK in, for
example, live situations where the occasional xrun is not a disaster.
they want realtime latency settings, but don't want any clients kicked
out if there is an xrun. if the watchdog doesn't work in softmode, its a


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