setting up /etc/modprobe.d/alsa-base.conf options snd-hda-intel model=imac24
isn't actually helping me. probably ubuntu does not have latest source tree -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1026847 Title: [MacPro5,1, Realtek ALC889A, Green Headphone Out, Front] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1026847/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs