[PlanetCCRMA] [Planet CCRMA] : Jack and Freebob issues on Fc8

[Mysth-R]

Thanks for your answer.

2007/11/23, Fernando Lopez-Lezcano <nando at ccrma.stanford.edu>:
>
> On Fri, 2007-11-23 at 15:57 +0100, Mysth-R wrote:
> > Hi, I recently update my system to fc8. I still have some config to do
> > (wifi, nvidia graphic card,...) but it works pretty well.
> > Yesaterday I tried to do some music with pd, and Zynaddsubfx through
> > JACK.
> > I got a Firebox Presonus Firewire sound Card. So I run Jack using
> > Qjackctl with :
> >
> > jackd -R -P65 -t2000 -dfreebob -r48000 -p512 -n3 -D
> >
> > I got some difficulties to establish the real issue. Jack run
> > perfectly. Then I run pd and zynadd, create my connection, and then
> > while I am making the connection, Jack Stops, and sometimes doesn't
> > respond anymore so I can't see the error message from Qjackctl.
> >
> > Ok while I was writting this message, I tried again.
> > Run qjackctl :
> > jackd -R -P65 -t2000 -dfreebob -r48000 -p512 -n3 -D
> >
> > running pd with : pd -rt -jack -alsamidi
> > Here is the message :
> >
> >
> >
> > 15:41:21.293 Patchbay deactivated.
> > 15:41:21.389 Statistics reset.
> > 15:41:21.447 Startup script...
> > 15:41:21.447 artsshell -q terminate
> > JACK tmpdir identified as [/dev/shm]
> > JACK tmpdir identified as [/dev/shm]
> > 15:41:21.514 ALSA connection graph change.
> > sound server terminated
> > 15:41:21.888 Startup script terminated successfully.
> > 15:41:21.888 JACK is starting...
> > 15:41:21.889 /usr/bin/jackd -R -P65 -t2000 -dfreebob -r48000 -p512 -n2
> > -D
> > 15:41:21.891 JACK was started with PID=4948.
> > jackd 0.103.0
> > Copyright 2001-2005 Paul Davis and others.
> > jackd comes with ABSOLUTELY NO WARRANTY
> > This is free software, and you are welcome to redistribute it
> > under certain conditions; see the file COPYING for details
> > JACK compiled with System V SHM support.
> > loading driver ..
> > SSE2 detected
> > Freebob using Firewire port 0, node -1
> > 15:41:22.092 ALSA connection change.
> > 15:41:22.310 ALSA connection graph change.
> > 15:41:22.993 ALSA connection graph change.
> > libiec61883 warning: Established connection on channel 0.
> > You may need to manually set the channel on the receiving node.
> > libiec61883 warning: Established connection on channel 1.
> > You may need to manually set the channel on the transmitting node.
> > 15:41:23.094 ALSA connection change.
> > 15:41:24.102 Server configuration saved to "/home/mysthr2/.jackdrc".
> > 15:41:24.103 Statistics reset.
> > 15:41:24.890 Client activated.
> > 15:41:24.893 JACK connection change.
> > 15:41:24.896 JACK connection graph change.
> > JACK tmpdir identified as [/dev/shm]
> > SSE2 detected
> > 15:44:09.981 ALSA connection graph change.
> > 15:44:09.985 JACK connection graph change.
> > 15:44:10.073 JACK connection change.
> > 15:44:10.074 ALSA connection change.
> > 15:44:13.023 Shutdown notification.
> > 15:44:13.026 JACK is stopping...
> > 15:44:13.029 JACK is being forced...
> > zombified - calling shutdown handler
> > 15:44:13.031 ALSA connection graph change.
> > 15:44:13.229 JACK was stopped successfully.
> > 15:44:43.229 Post-shutdown script...
> > 15:44:43.229 killall jackd
> > QProcess: Destroyed while process is still running.
> > 15:44:43.231 ALSA connection graph change.
> > 15:44:43.232 ALSA connection graph change.
> > 15:44:44.047 Post-shutdown script terminated successfully.
>
> Hmmm, it looks like one of the clients is timing out and bringing down
> the server. Or it could be the firewire stack I guess. What happens if
> you use a non-firewire card? Do you have one?


Ok I will try tomorrow. Don't know if it is the firewire stack, because, it
works in no RT mode.

> Yesterday, I finally test different config from qjackctl, and I tried
> > to disable the realtime option. Then It was working "perfectly", but I
> > heard many crackles not XRUNS, but crackles in sound.
>
> That sounds like xruns.


Yes but Qjackctl doesn't display any Xruns, still 0(0)

> I think these were produced by Pd since I ran it with no -rt option.
> >
> > So Is there a problem with my RT configuration ? I don't know where I
> > can look for to solve my issue.
>
> Does jack eventually die if you run it for a while without clients? I
> would also try with a different soundcard (not firewire).


ok will try tormorrow too.

> Just another thing, I can't remember if it was doing the same on fc7,
> > but when qjackctl is running in RT mode the read-out "RT" near the DSP
> > load percent and the sample rate, winks. Is it normal ?
>
> I think that is normal.
>
> Was this all working fine on fc7? It could be a problem with the new
> kernel.


Yes it was working fine on fc7.
Cheers,

Mysth-R



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