Can't get audio to or from my mixer
I just want to preface this by saying that I'm not sure if this is a Pipewire issue but I'm also no sure that it isn't so I hope this belongs here.
I'm using Pipewire 0.3.27 on Ubuntu 21.04 and I'm using Carla to route audio to and from my MixPre-6 II which is a Class 2 USB audio device. That worked for months but it stopped working sometime after I upgraded to Ubuntu 21.04. After a day of re-installing Pipewire and double-checking configuration files, I managed to get routing working when the mixer is in 32-bit float mode. The next day I woke up and it wasn't working anymore.
Carla is showing the mixer without issues and it's retaining routing info. I used pw-dump to double check that Carla wasn't misrepresenting how stuff was routed and it matched Carla's routing.
The MixPre definitely works and is configured correctly on it's end because I can use it in Windows. Is there anything else that could be the issue here?