Don't know if it's related, but sometimes I don't get headphones audio when my XPS boots. Disabling "Auto-Mute Mode" from alsamixer seems to fix the problem.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1583801 Title: [XPS 15 9550] [ALC3266] No sound via headphones (headset) when Ubuntu boots with them plugged in To manage notifications about this bug go to: https://bugs.launchpad.net/pulseaudio/+bug/1583801/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs