I consider this invalid now. I think it was the fault of my BIOS settings. I have changed the Onboard Devices / Front Panel Select setting from 'AC97' to 'HD Audio' and the jack detection behaves as expected: 1. I boot with my headphones plugged in to the front panel -> I have no sound through speakers, but I hear it through headphones. 2. I unplug the headphones jack -> the sound is heard from the speakers.
** Changed in: pulseaudio (Ubuntu) Status: Confirmed => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/927704 Title: No sound through speakers on 12.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/927704/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs