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Qjackctl suddenly does'nt work with my presonus :(

Hello

i'm desperate, you're my only hope :D

i bought a E drum last week, i've try to connect it to Hydrogen via jack

First time, jack crash, reboot, ok it's good i can play

second time it crash and it never came back :'(

now jack doesn't launch anymore with my presonus firepod, i haven't any problem since the last 6 month
apparently the presonus is detecetd (ffado find it)

here is the code

10:24:52.178 JACK démarre...
10:24:52.179 /usr/bin/jackd -v -dfirewire -dhw:0 -r44100 -p1024 -n3
connect(2) call to /dev/shm/jack-1000/default/jack_0 failed (err=Connexion refusée)
attempt to connect to server failed
jackd 0.124.2
Copyright 2001-2009 Paul Davis, Stephane Letz, Jack O'Quinn, Torben Hohn 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
getting driver descriptor from /usr/lib/x86_64-linux-gnu/jack/jack_oss.so
getting driver descriptor from /usr/lib/x86_64-linux-gnu/jack/jack_firewire.so
getting driver descriptor from /usr/lib/x86_64-linux-gnu/jack/jack_dummy.so
getting driver descriptor from /usr/lib/x86_64-linux-gnu/jack/jack_net.so
JACK compiled with System V SHM support.
server `default' registered
registered builtin port type 32 bit float mono audio
registered builtin port type 8 bit raw midi
clock source = system clock via clock_gettime
loading driver ..
start poll on 3 fd's
new client: firewire_pcm, uuid = 8589934593 type 1 @ 0x1742c90 fd = -1
10:24:52.222 JACK a été démarrer avec le PID=3576.
10:24:52.363 JACK a été arrêté avec succès.
10:24:52.366 JACK a planté.
10:24:54.272 Impossible de connecter le serveur JACK comme client. - L'opération a échoué. - Incapable de se connecter au serveur. Veuillez consulter la fenêtre des messages pour plus d'informations.
connect(2) call to /dev/shm/jack-1000/default/jack_0 failed (err=Connexion refusée)
attempt to connect to server failed

thanks a lot if you can find me a solution

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rncbc's picture

too bad i have no help to give on firewire devices--i never ran into one myself, to date :( sorry.

it looks like your device as if it's not working all though the firewire system stack (ffado); the lack of diagnostic messages from the jackd log above doesn't give the slightest clue of what's going on or went wrong--it just dies on start-up and no explanation is given whatsoever... dang!

that's why i suspect the problem might be on the current device driver sub-system... maybe your device is not fully recognized or supported through ffado ? you can try ffado-diag and ffado-test utilities for interesting diagnostic info but please, don't ask me of any results you may find, just because i don't know a thing about those kind of devices (firewire) :) instead, you should go into the ffado.org forums or mail-lists, look for your specific device (presonus firepod?) and ask / report there your findings.

hth.
cheers

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