" snd_usb_audio: `-2' invalid for parameter `index'" looks like a 3.12 regression, reported upstream. Would you like to help out by testing Takashi's patch?
http://mailman.alsa-project.org/pipermail/alsa- devel/2013-September/066713.html ** Changed in: alsa-driver (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1232580 Title: USB sound card not detected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1232580/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs