LinuxMusicians

Hi you!
Jack doesnt work in my ubuntu. When i try to run it i get:

19:48:45.149 Statistics reset.
19:48:45.163 ALSA connection change.
19:49:35.215 D-BUS: Service not available (org.jackaudio.service aka jackdbus).
Cannot read socket fd = 25 err = Sucesso
CheckRes error
JackSocketClientChannel read fail
Cannot open qjackctl client
JackShmReadWritePtr1::~JackShmReadWritePtr1 - Init not done for -1, skipping unlock
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock
19:49:40.287 ALSA connection graph change.
19:51:06.287 Statistics reset.

Im new to ubuntu. I googled some lines, but couldnt make it work.
Can you help me?
Thanks!

Have you installed jackd2?

Have you tried the solution posted here?:
viewtopic.php?t=11757

Hi Pablo,
sorry for the late answer due to work.

I followed the steps on your link. Still cant run. Here s the log:

15:37:01.659 Statistics reset.
15:37:01.668 ALSA connection change.
15:37:51.720 D-BUS: Service not available (org.jackaudio.service aka jackdbus).
Cannot read socket fd = 25 err = Sucesso
CheckRes error
JackSocketClientChannel read fail
Cannot open qjackctl client
JackShmReadWritePtr1::~JackShmReadWritePtr1 - Init not done for -1, skipping unlock
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock
15:37:56.816 ALSA connection graph change.
15:38:10.217 JACK is starting...
15:38:10.217 /usr/bin/jackd -p128 -t5000 -dalsa -dhw:0 -r48000 -p64 -n2 -S
Cannot read socket fd = 26 err = Sucesso
CheckRes error
JackSocketClientChannel read fail
Cannot open qjackctl client
JackShmReadWritePtr1::~JackShmReadWritePtr1 - Init not done for -1, skipping unlock
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock
no message buffer overruns
no message buffer overruns
no message buffer overruns
`default' server already active
Failed to open server
jackdmp 1.9.11
Copyright 2001-2005 Paul Davis and others.
Copyright 2004-2014 Grame.
jackdmp 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
15:38:10.318 JACK was started with PID=5056.
15:38:10.327 JACK was stopped
15:38:17.521 Could not connect to JACK server as client. - Overall operation failed. - Server communication error. Please check the messages window for more info.
Cannot read socket fd = 26 err = Sucesso
CheckRes error
JackSocketClientChannel read fail
Cannot open qjackctl client
JackShmReadWritePtr1::~JackShmReadWritePtr1 - Init not done for -1, skipping unlock
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock

Thank you for your help.

dbus service not available? What flavour and version number of ubuntu are you using?

You can try disabling, in Jack Control: Setup -> Others -> Enable dbus interface

On the other hand, 64 is a very low value of frames/period. Try a conservative setting, like 1024.