all defaults, except I change the interface to hw:Blackjack and disable D-Bus interface. (I have also tried with D-Bus enabled, also with modifying input and output device, also with suggestions on samplerate and buffer.)
thx
p.s. as i mentioned, no problems in trisquel 6 (based on ubuntu 12.04) but i have this same problem in trisquel 7 (based on 14.04) and in ubuntu studio 14.04 liveusb
08:27:58.684 Patchbay deactivated.
08:27:58.685 Statistics reset.
08:27:58.693 ALSA connection change.
08:27:58.749 JACK connection change.
08:27:58.762 Client activated.
(qjackctl:3798): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion 'GTK_IS_WIDGET (widget)' failed
(qjackctl:3798): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion 'GTK_IS_WIDGET (widget)' failed
(qjackctl:3798): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion 'GTK_IS_WIDGET (widget)' failed
(qjackctl:3798): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion 'GTK_IS_WIDGET (widget)' failed
ubuntu-studio@ubuntu-studio:~$ cat /proc/asound/cards
0 [PCH ]: HDA-Intel - HDA Intel PCH
HDA Intel PCH at 0xf2520000 irq 44
1 [Blackjack ]: USB-Audio - Onyx Blackjack
Loud Technologies Inc. Onyx Blackjack at usb-0000:00:1d.0-1.1, full speed
29 [ThinkPadEC ]: ThinkPad EC - ThinkPad Console Audio Control
ThinkPad Console Audio Control at EC reg 0x30, fw unknown
The qjackctl settings: http://postimg.org/image/8m7nimhep/
all defaults, except I change the interface to hw:Blackjack and disable D-Bus interface. (I have also tried with D-Bus enabled, also with modifying input and output device, also with suggestions on samplerate and buffer.)
thx
p.s. as i mentioned, no problems in trisquel 6 (based on ubuntu 12.04) but i have this same problem in trisquel 7 (based on 14.04) and in ubuntu studio 14.04 liveusb