[LAU] Please help with audio interfaces that keep changing after reboot

[david]

Philipp Überbacher wrote:
> Excerpts from david's message of 2010-05-09 01:33:42 +0200:
>> aplay -l:
>>
>> **** List of PLAYBACK Hardware Devices ****
>> card 0: I82801DBICH4 [Intel 82801DB-ICH4], device 0: Intel ICH [Intel 
>> 82801DB-ICH4]
>>    Subdevices: 1/1
>>    Subdevice #0: subdevice #0
>> card 0: I82801DBICH4 [Intel 82801DB-ICH4], device 4: Intel ICH - IEC958 
>> [Intel 82801DB-ICH4 - IEC958]
>>    Subdevices: 1/1
>>    Subdevice #0: subdevice #0
>> card 1: default [USB Audio CODEC ], device 0: USB Audio [USB Audio]
>>    Subdevices: 0/1
>>    Subdevice #0: subdevice #0
>> card 3: Modem [Intel 82801DB-ICH4 Modem], device 0: Intel ICH - Modem 
>> [Intel 82801DB-ICH4 Modem - Modem]
>>    Subdevices: 1/1
>>    Subdevice #0: subdevice #0
>>
>> cat /proc/asound/cards
>>
>>   0 [I82801DBICH4   ]: ICH4 - Intel 82801DB-ICH4
>>                        Intel 82801DB-ICH4 with ALC250 at irq 17
>>   1 [default        ]: USB-Audio - USB Audio CODEC
>>                        Burr-Brown from TI               USB Audio CODEC 
>>   at usb-0000:00:1d.1-2, full s
>>   2 [XMidi1X1       ]: USB-Audio - E-MU XMidi1X1
>>                        E-MU Systems, Inc. E-MU XMidi1X1 at 
>> usb-0000:00:1d.7-3.4.4, full speed
>>   3 [Modem          ]: ICH-MODEM - Intel 82801DB-ICH4 Modem
>>                        Intel 82801DB-ICH4 Modem at irq 17
>>
>>>> Then your card name is probably 'default' and QJackCtl should accept
>>>> 'hw:default' then.
>>>>
>>>> Best,
>>>>
>>>> Jeremy
>>> I'd be careful with 'default'. Afaik 'default' is a special device in
>>> alsa which has dmix automatically enabled and who knows what else. I'm
>>> not sure this is true in jack context, I'd just be careful and rather
>>> use a proper name. Also 'default' probably is another name for hw:0 plus
>>> the aforementioned dmix.
>> Ah, that explains why "default" in JACK is the Intel audio this morning.
>>
> Wow, you USB device really is called default. Quite bad. I must admit
> that I'm surprised. I'd also try to use hw:default, which hopefully is
> different from (default) in qjackctl, whatever that may be.

So I just tried typing in "hw:default" for QJackCtl, and it got the USB 
device. In the morning, I'll see what "hw:default" is. Selecting 
"(default)" from QJackCtl's drop down list gives me the Intel audio 
right now.

> Really confusing..

Part of what makes Linux audio so much fun!

-- 
David
gnome at hawaii.rr.com
authenticity, honesty, community