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

[georgnk]

Hi that's interesting.
I couldn't downgrade so I haven't tried older firmware.
Maybe I need to contact tech support.

By the way, I am curious if the ultralite avb has also these periodic clicks
I described before. Thanks.


Anders Hellquist wrote
> Hi!
> 
> I have the Ultralite AVB and have downgraded my card as per
> recommendations
> from Motu tech support. The reason for me was to be able to use more than
> 24ch stream in CC more from my computer. That option is removed on later
> firmware. The latest public beta firmware which probably is available for
> 624 has a very nice touch console. (Mixer made for touch based surfaces
> that will be a nice addition)
> 
> My understanding is that you should be able to downgrade as you please but
> I can not guarantee anything. Tech support is great and will probably
> respond quickly even if "Operating system = Other"
> 
> /Anders
> 
> 
> 
> On Dec 21, 2017 2:36 PM, "georgnk" <

> georg_nik@

> > wrote:
> 
>> Hello,
>> When I tried to upload the file with older firmwares I couldn't. The
>> warning
>> was that I was trying to upload an out of dated firmware. Is there any
>> way
>> to downgrade?
>>
>> For sure the web interface using windows Os doesn't show something new
>> such
>> as bios menu...Except I am blind
>>
>> Cheers
>>
>> list-2 wrote
>> > Hello.
>> >
>> > i still use an old firmware. As i do not really trust  - yet - MOTU
>> with
>> > Gnu/Linux.
>> >
>> > Keep in mind that if this AVB series products work under Gnu/Linux, i
>> > think it's more a side effect from USB audio Class compliant than a
>> real
>> > desire from MOTU (it has to work for Apple/Ipad).
>> >
>> > As this new v1.3.2+102 firmware shows that you have nothing new in the
>> > web interface ( no bios menu added with other options ? ) it may do
>> > something for Windows/Apple Os's users ?!
>> >
>> >
>> >
>> > On 2017-12-21 02:35, georgnk wrote:
>> >> Hi.
>> >> Yes the firmware is v1.3.2+102 (520 is for the avb)
>> >> I don't know either what the bios menu is doing. I can only find bios
>> >> if I
>> >> press the select button from my interface and shows some info,nothing
>> >> more.
>> >>
>> >> If you test it one day please let me know if you also have this
>> (minor)
>> >> issue.
>> >>
>> >> Have nice holidays. Cheers!
>> >>
>> >>
>> >>
>> >>
>> >> list-2 wrote
>> >>> Hello.
>> >>>
>> >>> I am away from my computer with the MOTU 624 AVB for the holidays.
>> >>> I'll
>> >>> make a try when i'll be back.
>> >>>
>> >>> But i've just checked the firmware pages of MOTU's web site and :
>> >>>
>> >>> v1.3.2+520 (Release Date 2017-12-13)
>> >>>
>> >>> A new one as been added few days ago. I've never tried this one.
>> >>> Is the the firmware you running your card with ?
>> >>>
>> >>> The change log says :
>> >>>
>> >>> Added Bios menu
>> >>>
>> >>> Hmm i'm really wonder what it does, and if it break anything with
>> >>> Gnu/Linux Os.
>> >>>
>> >>> Cheers !
>> >>>
>> >>>
>> >>>
>> >>> On 2017-12-20 02:41, georgnk wrote:
>> >>>> Hello thank you for the reply.
>> >>>> The clicks are periodic.well,not strictly periodic but almost every
>> >>>> two
>> >>>> seconds. I have tried your suggestions but didn't change something.
>> >>>>
>> >>>> What I have also discovered is that the clicks are not passing
>> >>>> through
>> >>>> my
>> >>>> software. Testing a sine wave and using a spectrum analysis in real
>> >>>> time,
>> >>>> sndpeek, clicks don't show up there. It seems they are coming
>> >>>> directly
>> >>>> to my
>> >>>> monitors (headphones)
>> >>>>
>> >>>> Thanks a lot
>> >>>>
>> >>>>
>> >>>> Len Ovens wrote
>> >>>>> On Mon, 18 Dec 2017, georgnk wrote:
>> >>>>>
>> >>>>>> I can also select my sound card without qjackctl and Jackd.
>> >>>>>> Pure data can see my input s and outputs directly. Then I go audio
>> >>>>>> test
>> >>>>>> play
>> >>>>>> the sine wave , wait a while, I move frequency up and down,clicks
>> >>>>>> start
>> >>>>>> and
>> >>>>>> never stop.
>> >>>>>
>> >>>>> If these are random clicks, that sounds like sync issues. Some
>> >>>>> things
>> >>>>> to
>> >>>>> try:
>> >>>>>   - set pulse default and alternate sample rate to 48000
>> >>>>>   - turn off HDA audio either in bios or in pulse:
>> >>>>>           pactl unload-module module-udev-detect
>> >>>>>           pactl unload-module module-alsa-card
>> >>>>>           (note that if pulse can see any audio card directly,
>> >>>>>           it may choose to sync from that one even if you are
>> >>>>>           not using it)
>> >>>>>   - try different sample rates, in particular both 44100 and
>> >>>>>           48000. It may be that alsa is under the impression
>> >>>>>           it can set sample rate when that is not the case.
>> >>>>>
>> >>>>> I have not seen in this thread any meantion of the web interface
>> >>>>> that
>> >>>>> the
>> >>>>> motu AVB series interfaces normally have, so I am guessing this is
>> >>>>> not
>> >>>>> one
>> >>>>> of these boxes. Motu's support in the past with Linux has be
>> >>>>> notoriously
>> >>>>> bad until the AVB series, so you may have something that will not
>> >>>>> work
>> >>>>> with Linux properly... as in, it is USB2.0 compliant so far as
>> sound
>> >>>>> transfer is concerned, but expects a provided blob to do device
>> >>>>> setup.
>> >>>>> The
>> >>>>> AVB series uses a web based setup tool that is OS agnostic.
>> >>>>>
>> >>>>> --
>> >>>>> Len Ovens
>> >>>>> www.ovenwerks.net
>> >>>>>
>> >>>>> _______________________________________________
>> >>>>> Linux-audio-user mailing list
>> >>>>
>> >>>>> Linux-audio-user at .linuxaudio
>> >>>>
>> >>>>> https://lists.linuxaudio.org/listinfo/linux-audio-user
>> >>>>
>> >>>>
>> >>>>
>> >>>>
>> >>>>
>> >>>> --
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>> >>>>
>> >>
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>> >>
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>> >>
>> >>
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