AudioFire 12

  • warning: Creating default object from empty value in /home/ffado/ffado.org/modules/spam/spam.module on line 488.
  • warning: Creating default object from empty value in /home/ffado/ffado.org/modules/spam/spam.module on line 488.
  • warning: Creating default object from empty value in /home/ffado/ffado.org/modules/spam/spam.module on line 488.
  • warning: Creating default object from empty value in /home/ffado/ffado.org/modules/spam/spam.module on line 488.
  • warning: Creating default object from empty value in /home/ffado/ffado.org/modules/spam/spam.module on line 488.
  • warning: Creating default object from empty value in /home/ffado/ffado.org/modules/spam/spam.module on line 488.

As of August 2012, the Audiofire 12 will only work with FFADO if firmware 4.8 or earlier is installed in the device. Please refer to ticket #360 for more details and for news about progress in fixing this.

28 Oct 2013: Takashi Sakamoto has pointed out that firmware versions 5.5 and later no longer support 192 kHz sample rate. This is a hardware limitation and is not related to FFADO. It is not currently known why this rate is no longer supported. To continue to use 192 kHz sample rate, stick with firmware version 4.8.

29 Oct 2013: As of r2451/r2452, audio streaming with FFADO may now be functional with AudioFire-12 firmware versions 5.5 and later. Reports of tests are welcomed. This is thanks to Takashi Sakamoto.

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Ubuntustudio 14.04 + ffado from svn = works with latest firmware

On Ubuntustudio 14.04, the stock libffado suffers from the previsouly described problem (ticket 360) with Echofire firmware 5.8.1, the latest at the time this is written.
However building libffado from source using the latest svn is easy and compatible with the stock version of Jack (at May 2014)
I can report two Echofire 12 working together successfully to give 24in/24out, even with a low power laptop ( Dell Latitude E4300 )

build process:
1) install the necessary to compile libffado:
# apt-get build-dep libffado
2) Get ffado from svn.
# svn checkout http://subversion.ffado.org/ffado/trunk/libffado ffado-svn
(I put it under /usr/local/src)
3) compile. You want /usr as the target to be sure the stock version is overwritten. Helpfully this is the default
# scons install

That's all - it works.

For more info see http://subversion.ffado.org/wiki/CompileAndInstallFfado

Thanks to all who made this possible. PPalmers et al, Takashi, the people at Echo Audio

Re: Ubuntustudio 14.04+ffado from svn=works with latest firmware

Andrew, thanks for taking the time to post your experiences with the new code. On the basis of this information I have closed ticket 360 as "fixed".

Ubuntu 10.10 and new FW stack

So on 10.04 (before I think the introduction of the new FW stack juju) I had a perfectly stable jack system. Since upgrading, no matter what jack period settings, xruns are appearing about once a minute (when idle!). Since the only thing that really changed was the new FW stack, I'm assuming that is the cause...)

My system:
* A custom 2.6.35.4 kernel (only bumped the clock Hz to 1000)
* libraw1394-11 2.0.5-2ubuntu1
* jack2 1.9.5
* libffado2 2.0.1

I've set my /etc/security/limits.conf appropriately. My udev settings are masking /dev/raw* and /dev/fw* (though I think the latter is what is used by the new stack, since I had to add that after upgrading).

I've tried using the svn trunk version of ffado as well with the same result. Additionally, with the svn trunk, my Audiofire 12 has 13 audio connections and no midi connections, so I think there is some incorrect classifications going on (but I'm not sure if that's ffado or jack).

Any help would be greatly appreciated, because one xrun a minute (when idle) isn't really usable. Let me know if there is any more information that would be helpful to be included.

RE: Ubuntu 10.10 and new FW stack

I have a similar problem: everything was working well until the upgrading to maverick. But now I can't even start my audio engine.

Do you have any success? I was trying to install last real-time kernel I've found (2.6.33 on https://launchpad.net/~abogani ) because I realised that Maverick lacks on RT-Kernel. But I have no idea how to solve this.

RE: Ubuntu 10.10 and new FW stack

I don't have an AF12 or any experience running ffado under ubuntu so my ability to assist here is somewhat limited. I have a few general pieces of feedback for you though.

Firstly, since you report that everything was good under a previous version of Ubuntu then it's safe to assume that the hardware is good. That eliminates a whole host of potential issues.

The new FW stack is certainly something to consider here since it is clearly the most obvious thing that's changed. However, with every new kernel comes new drivers and improvements to others. As a result, the xruns you're seeing now *may* be the result of some new feature in one of the other kernel drivers your system uses. Perhaps it has adversely affected the scheduling on your system, with xruns under ffado the observed result.

Having said that I must admit that I suspect the new stack is at least part of your problem here. To test this the first thing I would do is obtain the latest stable kernel (which is 2.6.37) and give that a go. There have been a number of important fixes to the new firewire stack since 2.6.35. On a related subject, also check the version of libraw1394 on your updated system. If it's not 2.0.6 then try to upgrade - I think one needs 2.0.6 in order to get reliable ffado operation under the new stack.

Another thing which may be different is your video driver. I don't know what drives Ubuntu ships, but it's not unheard of for video drivers to adversely affect ffado. In particular, we know that the proprietary binary drivers from Nvidia can cause very strange effects not unlike what you're seeing. If your system is running such a driver and it's feasible to temporarily switch to another this might be a good thing to test. Perhaps the older Ubuntu didn't install the proprietary driver on your hardware, or maybe it shipped a different driver altogether.

Finally, with recent kernels (and anything from 2.6.30 is "recent" in this context) ffado should not require a realtime patched kernel in order to function acceptably. This is because various things from the RT patch have been trickling into mainline over recent times, and we've finally got enough of them across that mainline works fairly well for ffado now. The only caveat is that the "low latency desktop" preemption setting should be enabled.

To avoid confusion it should be explicitly pointed out that in order to use the realtime scheduling class (enabled in limits.conf) one does not require an RT kernel. Although both refer to the words "real time" they are in fact separate things.

Sorry I can't provide any more specific help. Hopefully the above is useful. In the meantime perhaps someone else who actually has an AF may respond.

ffado giving me Could not communicate with DBUS service.

MOTU 828MKII will not work out of initial install on Ubuntu 10.10. ffado giving me Could not communicate with DBUS service.

Yes, another fine time waster in the life of humans trying to master their machines. This worked in an older release of Ubuntu ... maybe two releases back for me.

All I wanted to do was install, plug my bass and keyboards in and do something more MUSICAL with my time. But, No..... not today... buddy boy...