The log shows that you're not using module-udev-detect. I don't know if that's why things stopped working, but that would anyway be the first thing to fix. Debian changed the packaging so that "pulseaudio-module- udev" is now a separate package. You have probably disabled automatic installation of recommended packages, because by default that package should get installed automatically.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1390474 Title: "Volume element PCM has 6 channels. That's too much!" - PA doesn't support elements with more than two channels Status in PulseAudio: Unknown Status in pulseaudio package in Ubuntu: Fix Released Bug description: When connecting the Terratec PHASE26 in 16/48 mode (6 channels) I get the error "Volume element PCM has 6 channels. That's too much! I can't handle that!" and the card fails to show up in Sound Settings. Everything is fine with 24/48 mode (2 channels). To manage notifications about this bug go to: https://bugs.launchpad.net/pulseaudio/+bug/1390474/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp