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

list list at contacte.xyz
Tue Aug 8 01:34:10 UTC 2017


Hello.

Here i have : 

cat /proc/asound/version

Advanced Linux Sound Architecture Driver Version k4.9.0-3-amd64

and 

uname -a

4.9.0-3-amd64 #1 SMP Debian 4.9.30-2+deb9u1 (2017-06-18) x86_64
GNU/Linux






Le Mon, 7 Aug 2017 21:21:31 -0400,
Paul Davis <paul at linuxaudiosystems.com> a écrit :

> 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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