Indeed your alsa-info has some four-channel inputs. Which makes me think maybe this patch:
https://lists.freedesktop.org/archives/pulseaudio- discuss/2016-March/025659.html ...could solve the problem. Should at least be worth a try ** Changed in: pulseaudio (Ubuntu) Status: Confirmed => Triaged -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1539209 Title: pulseaudio crashed with SIGABRT in pa_alsa_path_set_volume() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1539209/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
