@Martin Roos: I also have a HP dv6 and all of the sudden this problem hit me too.
@David Henningsson: See my alsa-info attached since Martin didn't provide one yet. ** Attachment added: "Alsa-info" https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/921397/+attachment/3562503/+files/alsa-info.txt.Z9SlWyVx9v -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/921397 Title: Speaker audio channel goes mute after plugging in the headphone To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/921397/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs