Problems with Audient ID 14 MK2

[yauhenbarysik]

Hey! First of all, really cool one approach! Nice job on making finally control app for Audient ID devices. But unfortunately there are few issues. Here is my test stand:

Ubuntu 26.04 (with installed via UbuntuStudio-Installer few things)

Settings in Pavu Control (used Default config)

Also, added config for WirePlumber as it was suggested in README.MD

ybarysik@YB-LEGION16:~$ cat ~/.config/wireplumber/wireplumber.conf.d/50-audient-soft-mixer.conf 
monitor.alsa.rules = [
  {
    matches = [ { node.name = "~alsa_output.usb-Audient.*" } ]
    actions = { update-props = { api.alsa.soft-mixer = true } }
  }
]
ybarysik@YB-LEGION16:~$ 

1. By default, after using "curl quick install script" and reboot clicking on BiD in App Menu and clicking connect results into infinite "wait"

2. Running with "sudo BiD" and clicking "Connect" actually changes some things, at least now you can connect but you don't have sound on any of 3 associated with ID 14 audio outputs (I tried all of them)

And here is console log:

ybarysik@YB-LEGION16:~$ sudo BiD
error: XDG_RUNTIME_DIR is invalid or not set in the environment.
[Begin usb probe] size: 27
Vendor: bda - Product: 8153
Vendor: 17ef - Product: 30b8
Vendor: 17ef - Product: 30b6
Vendor: 8087 - Product: b40
Vendor: 1d6b - Product: 3
Vendor: 17ef - Product: 30bb
Vendor: 1038 - Product: 22a5
Vendor: 17ef - Product: 30b9
Vendor: 2708 - Product: 8
Vendor: 17ef - Product: 30b7
Vendor: 17ef - Product: 30b5
Vendor: 17ef - Product: 30b4
Vendor: 17ef - Product: 30ba
Vendor: 1d6b - Product: 2
Vendor: 1d6b - Product: 3
Vendor: 2109 - Product: 100
Vendor: 1d6b - Product: 2
Vendor: 1d6b - Product: 3
Vendor: 1d6b - Product: 2
Vendor: 1d6b - Product: 3
Vendor: 48d - Product: c994
Vendor: 48d - Product: c981
Vendor: 5e3 - Product: 610
Vendor: 8087 - Product: 32
Vendor: 30c9 - Product: ac
Vendor: 46d - Product: c548
Vendor: 1d6b - Product: 2
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
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libusb_control_transfer failed: LIBUSB_ERROR_IO
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libusb_control_transfer failed: LIBUSB_ERROR_IO
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libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO

IMPORTANT NOTE: I also tried "Pro Audio" profile in Pavu Control and removing wireplumber config (and restarting wireplumber, actually I restarted my PC after these changes in both Pavu Control and Wireplumber and detached+attached back device to make sure all changes were obtained by the system) - no luck, same issues. I'm willing to help with testing your app on ID 14 MK2 and Ubuntu 26.04 LTS

[baakhoff]

Thanks, I'll check it right now

[baakhoff]

Thank you for the excellent report — the console log diagnosed both problems, and one of them was a real bug in my installer. Both are addressed in v0.2.3, released just now.

1. The infinite wait as a normal user was my udev rule's fault. The installer wrote it as 84-audient.rules with a uaccess tag — but udev applies uaccess seat ACLs at rule position 73, so a tag added at 84 arrives too late and grants nothing. It also relied on GROUP="audio", and stock Ubuntu users are not in the audio group. Net result: no permission, and Connect retried forever. The rule now installs as 70-audient.rules, where uaccess works, and the installer removes the old file.

Please re-run the install one-liner (it builds the newest release, now 0.2.3), unplug and replug the interface, and Connect as a normal user — no sudo. That should be the whole fix for problem 1. (Please don't run BiD with sudo at all — it also breaks the tray and session integration, as the XDG_RUNTIME_DIR error in your log shows.)

2. The LIBUSB_ERROR_IO flood is the interesting one. On the iD24, the firmware accepts mixer commands on a spare DFU interface — that's what lets audio keep playing while BiD is connected. Your MKII appears to expose a similar interface but refuse control traffic on it: every transfer bounced. The original MixiD drove the MKII through interface 0 exclusively (audio pauses while the mixer is open), and that path is still in BiD. In 0.2.3 you can force it:

BID_CONTROL_IFACE=0 BiD

Three things would pin this down completely, whenever you have a few minutes:

1. Does Connect work as a normal user after re-running the installer (problem 1)?
2. With BID_CONTROL_IFACE=0, do the faders and the monitor knob actually move the hardware? (Expect audio to pause while connected in this mode — that's the interface-0 tradeoff.)
3. The MKII's interface layout, so I can see what it exposes: lsusb -v -d 2708:0008 2>/dev/null | grep -E 'bInterfaceNumber|bInterfaceClass'

If interface 0 works on your unit, I'll teach BiD to detect the refusal and fall back automatically, so MKII owners never have to know any of this. Thanks again for offering to test — this is exactly what moves the iD14 MKII from "inherited from the device list" to verified.

[baakhoff]

Will be glad to get your help since I only have iD24 and got all the stuff for other versions from the upstream dev 😅 Please don't forget to answer even if everything works @yauhenbarysik

[yauhenbarysik]

@baakhoff ok, will check it in couple of hours (came outside). Meanwhile, check LinkedIn - I've sent you an invitation and messaging (you'll find it by my name - Yauhen Barysik), I guess we can share our tgs via LinkedIn safely to proceed more deep collab (let's say I have some plans on brining some projects for both AMD/AMD-Nvidia laptop users as well as for musicians who wants to jump on Linux). As I've mentioned in LinkedIn message - we have what to propose and help with each other :)

[yauhenbarysik]

@baakhoff here are some output logs - on 0.2.3 version both Pro Audio and Default profiled stuck with either "Wait" or "Force Quit" options popup again.

here is BiD log:

ybarysik@YB-LEGION16:~$ /usr/local/bin/BiD
[Begin usb probe] size: 27
Vendor: bda - Product: 8153
Vendor: 17ef - Product: 30b8
Vendor: 17ef - Product: 30b6
Vendor: 8087 - Product: b40
Vendor: 1d6b - Product: 3
Vendor: 17ef - Product: 30bb
Vendor: 1038 - Product: 22a5
Vendor: 17ef - Product: 30b9
Vendor: 2708 - Product: 8
Vendor: 17ef - Product: 30b7
Vendor: 17ef - Product: 30b5
Vendor: 17ef - Product: 30b4
Vendor: 17ef - Product: 30ba
Vendor: 1d6b - Product: 2
Vendor: 1d6b - Product: 3
Vendor: 2109 - Product: 100
Vendor: 1d6b - Product: 2
Vendor: 1d6b - Product: 3
Vendor: 1d6b - Product: 2
Vendor: 1d6b - Product: 3
Vendor: 48d - Product: c994
Vendor: 48d - Product: c981
Vendor: 5e3 - Product: 610
Vendor: 8087 - Product: 32
Vendor: 30c9 - Product: ac
Vendor: 46d - Product: c548
Vendor: 1d6b - Product: 2
control over spare interface 4
Killed                     /usr/local/bin/BiD
ybarysik@YB-LEGION16:~$ 

And here is some info you've requested regarding interfece itself:

ybarysik@YB-LEGION16:~$ lsusb -v -d 2708:0008 2>/dev/null | grep -E 'bInterfaceNumber|bInterfaceClass'
      bInterfaceNumber        0
      bInterfaceClass         1 Audio
      bInterfaceNumber        1
      bInterfaceClass         1 Audio
      bInterfaceNumber        1
      bInterfaceClass         1 Audio
      bInterfaceNumber        2
      bInterfaceClass         1 Audio
      bInterfaceNumber        2
      bInterfaceClass         1 Audio
      bInterfaceNumber        3
      bInterfaceClass         3 Human Interface Device
      bInterfaceNumber        4
      bInterfaceClass       254 Application Specific Interface
      bInterfaceNumber        0
      bInterfaceClass         1 Audio
      bInterfaceNumber        1
      bInterfaceClass         1 Audio
      bInterfaceNumber        1
      bInterfaceClass         1 Audio
      bInterfaceNumber        2
      bInterfaceClass         1 Audio
      bInterfaceNumber        2
      bInterfaceClass         1 Audio
      bInterfaceNumber        3
      bInterfaceClass         3 Human Interface Device
      bInterfaceNumber        4
      bInterfaceClass       254 Application Specific Interface
ybarysik@YB-LEGION16:~$ 

Just in case I left this config for wireplumber:

ybarysik@YB-LEGION16:~$ cat .config/wireplumber/wireplumber.conf.d/50-audient-soft-mixer.conf 
monitor.alsa.rules = [
  {
    matches = [ { node.name = "~alsa_output.usb-Audient.*" } ]
    actions = { update-props = { api.alsa.soft-mixer = true } }
  }
]
ybarysik@YB-LEGION16:~$ 

[baakhoff]

The udev fix works, the device opened as a normal user, no permission errors. The freeze was my bug: every USB write had an infinite timeout, and your MKII's firmware neither accepts nor rejects commands on interface 4, it just goes silent, so the first write blocked the window forever. That's fixed on master now: writes time out quickly, and a connect that hits a wall of refusals backs out cleanly with a dialog instead of freezing.

Could you update to the master build and run two things?

1. Update:
   curl -fsSL https://raw.githubusercontent.com/baakhoff/BiD/master/install.sh | BID_REF=master bash

2. Plain BiD from a terminal, click Connect. Expected now: a few seconds, then a "Device refuses control" dialog — no freeze. Paste the terminal output.

3. The decisive one: BID_CONTROL_IFACE=0 BiD — the old exclusive mode. Heads-up: all the Audient outputs will vanish from the system sound menu while connected (the kernel hands the whole card to BiD; they come back on Disconnect), so computer playback proves nothing in this mode. Test with hardware monitoring instead: mic (or any instrument) into input 1, headphones into the card's phone jack, then move the MIC 1 fader, the MONITOR knob, and the CUT button in BiD and listen whether they act. Terminal output from this run too, please.
   If test 3 works, your MKII's path is interface 0, and I'll make BiD detect the refusal and fall back automatically — no env variables, no dialogs, it'll just work (with the honest audio-pause tradeoff shown in the corner). Profiles and the WirePlumber config are unrelated to any of this — leave them as they are.

[yauhenbarysik]

Ok, we are moving somewhere :)

I did step 1 and 2 and reconnected my ID14 MK2. And tried connecting and actually it connected! But no sound and no response on moving wheel on sound card itself or picking any of audio outputs in the system

And here is a log:

ybarysik@YB-LEGION16:~$ BiD
[Begin usb probe] size: 27
Vendor: bda - Product: 8153
Vendor: 17ef - Product: 30b8
Vendor: 17ef - Product: 30b6
Vendor: 8087 - Product: b40
Vendor: 1d6b - Product: 3
Vendor: 17ef - Product: 30bb
Vendor: 1038 - Product: 22a5
Vendor: 17ef - Product: 30b9
Vendor: 2708 - Product: 8
Vendor: 17ef - Product: 30b7
Vendor: 17ef - Product: 30b5
Vendor: 17ef - Product: 30b4
Vendor: 17ef - Product: 30ba
Vendor: 1d6b - Product: 2
Vendor: 1d6b - Product: 3
Vendor: 2109 - Product: 100
Vendor: 1d6b - Product: 2
Vendor: 1d6b - Product: 3
Vendor: 1d6b - Product: 2
Vendor: 1d6b - Product: 3
Vendor: 48d - Product: c994
Vendor: 48d - Product: c981
Vendor: 5e3 - Product: 610
Vendor: 8087 - Product: 32
Vendor: 30c9 - Product: ac
Vendor: 46d - Product: c548
Vendor: 1d6b - Product: 2
control over spare interface 4
libusb_control_transfer failed: LIBUSB_ERROR_TIMEOUT
libusb_control_transfer failed: LIBUSB_ERROR_IO

Btw, clicking disconnect worked as well but no sound (had to replug ID14 MK2 again)

Regarding Test 3 (Step 3) - here are the logs, but long story short it is like that:

And moving Mic 1 slider or adjusting Mic 1 hardware knob did have any effect, unfortunately.

ybarysik@YB-LEGION16:~$ BID_CONTROL_IFACE=0 BiD
[Begin usb probe] size: 27
Vendor: bda - Product: 8153
Vendor: 17ef - Product: 30b8
Vendor: 17ef - Product: 30b6
Vendor: 8087 - Product: b40
Vendor: 1d6b - Product: 3
Vendor: 17ef - Product: 30bb
Vendor: 1038 - Product: 22a5
Vendor: 17ef - Product: 30b9
Vendor: 2708 - Product: 8
Vendor: 17ef - Product: 30b7
Vendor: 17ef - Product: 30b5
Vendor: 17ef - Product: 30b4
Vendor: 17ef - Product: 30ba
Vendor: 1d6b - Product: 2
Vendor: 1d6b - Product: 3
Vendor: 2109 - Product: 100
Vendor: 1d6b - Product: 2
Vendor: 1d6b - Product: 3
Vendor: 1d6b - Product: 2
Vendor: 1d6b - Product: 3
Vendor: 48d - Product: c994
Vendor: 48d - Product: c981
Vendor: 5e3 - Product: 610
Vendor: 8087 - Product: 32
Vendor: 30c9 - Product: ac
Vendor: 46d - Product: c548
Vendor: 1d6b - Product: 2
using interface 0 exclusively (audio pauses while connected)
libusb_control_transfer failed: LIBUSB_ERROR_TIMEOUT
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
libusb_control_transfer failed: LIBUSB_ERROR_IO
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[yauhenbarysik]

@baakhoff waiting on further instructions on testing/debugging :)

[baakhoff]

@yauhenbarysik
Could you send the full descriptor dump?
lsusb -v -d 2708:0008 > id14mk2.txt
and attach id14mk2.txt here (it's long, that's fine — it's read-only, nothing is written to the device).

That dump lists every internal unit with its ID and type, and for the mixer unit it states how many inputs and output channels it has. From that I get, from your hardware rather than by analogy: which entity is the mixer, how many nodes it really has, and whether the spacing is 4 or 6. Then I can give the iD14 MKII a proper profile instead of the iD24's coat, and your faders should actually mix.