On Sat, 2014-08-09 at 03:11 +0900, Max wrote:
selecting a different interface in qjackctl has no
effect.
You should post the messages.
On the left side, below QjackCtl's "Start" button, there's the
"Messages" button. Click it, select the "Messages" tab, click inside
the
window, push Ctrl+A (select all), then Ctrl+C (copy), click into your
Thunderbird's editor window and push Ctrl+V (paste).
Regards,
Ralf