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Re: Running jackd.



Good time of the day, Rob.


Thank You, Rob, for Your time and answer. You wrote:

> You may also want to start qjackctl with its default settings and see
> how that goes.  Delete QjackCtl.conf and .jackdrc

It works some how - but weird. - In messages window it says that the
jack server got signal 15 and stops. Yet it hangs in ps command. Also,
I see then connection or whatever it is called in qjackctl.

When I happily run RoseGarden - it hangs even so well that halts whole
my system - nothing except reset helps. I suspect RT is on arena and
some software conflict so mighty that can halt whole OS.

Honestly, I fear to try. :o) Actually I did not thinks it will be that
hard - to run jackd! :o)

I probably will forbear here, and wait for year or so - may situation
will change w/ jackd - You know it is as w/ PA - terrible, but things
slowly change and something else will come instead. I do not believe
that the jackd similar software should be that hard to use.
 
> > $ /usr/bin/jackd -dalsa -dhw:0 -r44100 -p512 -n2
> 
> Is this a USB sound device by any chance?  If so, you should use -n3
> (according to the man page).  Is it the only sound card in the
> computer, or are there multiples?  What soundcard do you have (lspci
> can tell you, if it's not a USB device).

No, It is old laptop built-in sound card based on Azalia something.
 
> -p512 is fairly small, although it works for my M-Audio Delta 1010LT.
> Try -p1024 or -p2048.  I don't think that's the cause of your problem,
> but it's easy to try.

I so tried before - no luck.
 
> > jackdmp 1.9.9
> > JACK server starting in realtime mode with priority 10
> > control device hw:0
> > control device hw:0
> > audio_reservation_init
> > Acquire audio card Audio0
> > creating alsa driver ...
> > hw:0|hw:0|512|2|44100|0|0|nomon|swmeter|-|32bit control device hw:0
> > configuring for 44100Hz, period = 512 frames (11.6 ms), buffer = 2
> > periods ALSA: final selected sample format for capture: 32bit
> > integer little-endian ALSA: use 2 periods for capture
> > ALSA: final selected sample format for playback: 32bit integer
> > little-endian ALSA: use 2 periods for playback
> 
> These next two lines are what I'd try searching for on the internet:
> > JackPosixProcessSync::LockedTimedWait error usec = 5000000 err =
> > Connection timed out Driver is not running

Hmm. Getting our thread. :o)

And few others. - All play w/ parameters on hardware basis. OK. I will
quit here. Pardon me, please. I will stay w/ LMMS for now (year or
more). Will see how things go.

> Is pulseaudio running?  I've seen that give problems to some people,
> although it didn't affect my usage.  I can use jackd with or without
> pulseaudio.

No I have only

libpulse-mainloop-glib0
libpulse0

installed - could not get rid of it at the PA removal time.

> I guess that makes sense.  Even if there is a jackd process, it
> apparently isn't running properly.

For sure.

Thank You, Rob, for Your time and effort!

Please excuse me for quick giving up - I did not meant to give the
problem so much time / effort (reboot each time I try).


Sthu.


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