Sorry on further inspection disabling udev module loading isn't changing anything other than pulseaudio's output, even without the above change the card is seen by alsa.. only the mixer is not attatched properly:
$ cat /proc/asound/cards 0 [PCH ]: HDA-Intel - HDA Intel PCH HDA Intel PCH at 0xb0900000 irq 48 1 [CameraB409241 ]: USB-Audio - USB Camera-B4.09.24.1 OmniVision Technologies, Inc. USB Camera-B4.09.24.1 at usb-0000:00:1d.7-1.2, hi I suspect there is a problem finding an alsa mixer profile for the device... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/886449 Title: [USB-Audio - USB Camera-B4.04.27.1, recording] Pulseaudio fails to detect card To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/886449/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs