[ubuntu-studio-users] Jack can´t start

[Joao Bruno]

when i try to start jack , came this notification on jack messages, i don´t
know what i can do...



3:07:35.586 Patchbay deactivated.

13:07:35.609 Statistics reset.

13:07:35.663 ALSA connection change.

13:07:36.296 D-BUS: Service is available (org.jackaudio.service aka
jackdbus).

Cannot connect to server socket err = No such file or directory

Cannot connect to server request channel

jack server is not running or cannot be started

13:07:36.302 ALSA connection graph change.

(qjackctl:2281): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion
'GTK_IS_WIDGET (widget)' failed

(qjackctl:2281): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion
'GTK_IS_WIDGET (widget)' failed

13:07:39.298 D-BUS: JACK server could not be started. Sorry

Tue Mar 29 13:07:39 2016: Starting jack server...

Tue Mar 29 13:07:39 2016: JACK server starting in realtime mode with
priority 10

Tue Mar 29 13:07:39 2016: Acquired audio card Audio0

Tue Mar 29 13:07:39 2016: creating alsa driver ...
hw:0|hw:0|1024|2|44100|0|0|nomon|swmeter|-|32bit

Tue Mar 29 13:07:39 2016: ERROR: ALSA: Cannot open PCM device alsa_pcm for
playback. Falling back to capture-only mode

Tue Mar 29 13:07:39 2016: ERROR: Cannot initialize driver

Tue Mar 29 13:07:39 2016: ERROR: JackServer::Open failed with -1

Tue Mar 29 13:07:39 2016: ERROR: Failed to open server

Cannot connect to server socket err = No such file or directory

Cannot connect to server request channel

jack server is not running or cannot be started

(qjackctl:2281): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion
'GTK_IS_WIDGET (widget)' failed

(qjackctl:2281): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion
'GTK_IS_WIDGET (widget)' failed

Tue Mar 29 13:07:41 2016: Saving settings to
"/home/jb/.config/jack/conf.xml" ...

13:07:43.554 Could not connect to JACK server as client. - Overall
operation failed. - Unable to connect to server. Please check the messages
window for more info.

Cannot connect to server socket err = No such file or directory

Cannot connect to server request channel

jack server is not running or cannot be started

(qjackctl:2281): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion
'GTK_IS_WIDGET (widget)' failed

(qjackctl:2281): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion
'GTK_IS_WIDGET (widget)' failed

(qjackctl:2281): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion
'GTK_IS_WIDGET (widget)' failed

(qjackctl:2281): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion
'GTK_IS_WIDGET (widget)' failed

(qjackctl:2281): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion
'GTK_IS_WIDGET (widget)' failed

(qjackctl:2281): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion
'GTK_IS_WIDGET (widget)' failed


Thank you, JB
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