[LAU] Hardware Soundcard - MOTU 624 AVB Working with Gnu/Linux - Debian 8.7

[Paul Davis]

oh, also: cat /proc/asound/version

On Mon, Aug 7, 2017 at 9:20 PM, Paul Davis <paul at linuxaudiosystems.com>
wrote:

> Anders - what does uname -a report on your system?
>
> I could get input to be received by the cpu on Linux only after plugging
> the device into a MacOS box, but even that is not proving reliable.
>
> On Mon, Aug 7, 2017 at 2:53 PM, Anders Hellquist <lau at hellquist.net>
> wrote:
>
>> I have used Ultra Ultralite AVB (not 624 AVB) to record electric bass
>> directly to Ardour and I have also recorded vocals but then I routed the
>> voice trough the internal mixer to let the vocalist adjust the monitoring
>> from Ardour and have built in DSP reverb for better experience. Have not
>> had any issues with routing or jackd or the onboard stuff except the iPad
>> application sometimes not rendering the mixer/router pages correctly.
>>
>> I am running kxstudio (ubuntu 14.04 with rt-kernel and kxstudio packages)
>>
>> I have a Debian 7 box that I can check with my AVB stuff but both my
>> cards are the classic MOTU Ultralite AVB.
>> If I can check anything more, I gladly will.
>>
>> Best regards, Anders
>>
>> mån 7 aug. 2017 kl. 20:04 skrev Paul Davis <paul at linuxaudiosystems.com>:
>>
>>> Could anyone working with the MOTU ultralite confirm that they have
>>> routing from analog inputs to the computer working? I can see signal
>>> showing up in the routing matrix and device page, and the device shows up
>>> as intended with 18 channels of input in JACK / ALSA, but I don't get any
>>> signal, even though I routed 6 analog input channels to "To Computer 1"
>>> through "To Compute 6". Really puzzled ... everything suggests that this
>>> should just work....
>>>
>>> On Sun, Jul 23, 2017 at 6:26 AM, Anders Hellquist <lau at hellquist.net>
>>> wrote:
>>>
>>>> The linked product is a rj45 splitter that is very usable for running
>>>> two Ethernet connections thru a single cable but you need one of these at
>>>> both endpoints and this has nothing to do with my use case. I know that a
>>>> switch is the solution and was only stating the limitation gnu Linux users
>>>> will face because of the missing control link.
>>>>
>>>> I am quite happy with the product and I usually only need one card
>>>> connected to my laptop and the things are just great as for the rest of gnu
>>>> AVB users. It was only a heads up for the issue.
>>>>
>>>> I hope that we in the future will have access without need for the AVB
>>>> switch, both for cost effectiveness and reduced complexity.
>>>>
>>>> /Anders
>>>>
>>>> On Jul 23, 2017 01:49, <list at contacte.xyz> wrote:
>>>>
>>>>> Hello.
>>>>>
>>>>> For me there is no confusion here.
>>>>>
>>>>> Motu AVB's cards serie is not - officially - supported by MOTU for
>>>>> Gnu/Linux. Even without the «Linux» stamp on it from MOTU it's the more
>>>>> advanced card you can control without headache under Gnu/Linux.
>>>>>
>>>>> The feature you talk about is for proprietary Operating system with
>>>>> Motu's drivers - with some limitations.
>>>>>
>>>>> Either you bought the wrong cards, or using the wrong operating system
>>>>> for your need - it's only a guess.
>>>>>
>>>>> The AVB switch *is* your solution.
>>>>>
>>>>> Or you can try, the kernel module something like : CONFIG_USB_NET_*
>>>>> and try different devices under to see if your log show something when you
>>>>> plug any of your MOTU cards...
>>>>>
>>>>> Or you can try something like this :
>>>>>
>>>>> http://i2.cdscdn.com/pdt2/5/2/2/1/700x700/auc3548389018522/r
>>>>> w/doubleur-de-port-rj-45-blinde.jpg
>>>>>
>>>>> sorry don't know the name in English...
>>>>>
>>>>> Let us know the result....
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> All the best.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On 2017-07-23 00:20, Anders Hellquist wrote:
>>>>>
>>>>>> There is confusion for sure.
>>>>>>
>>>>>> if I link my two Motu ultralite AVB cards together by using the two
>>>>>> AVB ethernet sockets and a Cat5 or Cat6 cable. I have used all
>>>>>> ethernet connectors available and the AVB devices can talk to each
>>>>>> other but no other networking is available. If I point a browser to
>>>>>> any of the ip's of those boxes i will not get an answer since there is
>>>>>> no possible route to those cards that only have a link between them.
>>>>>> The cards have no built in wifi or extra ethernet jack.. How could I
>>>>>> possibly connect to them except by usb and Class Compliant Audio
>>>>>> connection which does not give me the extra IP over USB that the
>>>>>> windows/osx driver provides...
>>>>>>
>>>>>> I have never said anything about AVB over USB but only mentioned the
>>>>>> missing linux link which is the possibility to access the http web gui
>>>>>> trough the USB (or for cards with Thunderbolt) driver provided ip-link
>>>>>> (for control only)
>>>>>>
>>>>>> As I tried to explain. Linux users must have a AVB compliant switch to
>>>>>> get a network link to be able to manage Linked AVB devices OR have
>>>>>> windows/osx boxes connected via USB/Thunderbolt to one of the AVB
>>>>>> devices.
>>>>>>
>>>>>> Trust me, I am not confused but only stating the obvious that linking
>>>>>> to cards with just a cable will create an isolated AVB cluster that
>>>>>> will not be manageable from linux computers until someone figures out
>>>>>> how to write a driver to get the IP-over USB passthru to work.
>>>>>>
>>>>>> /Anders
>>>>>>
>>>>>
>>>>>
>>>
>
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