I have same hardware and same problem (Ubuntu 12.04.2, kernel is 3.8.0-29, backported from raring). This is not kernel bug, however. It's a dupe to bug 874535.
See https://bugs.launchpad.net/ubuntu/+source/alsa- driver/+bug/874535/comments/28 for possible workaround. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1203235 Title: [H87N-WIFI, Realtek ALC892, Green Line Out, Rear] Underruns, dropouts or crackling sound To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1203235/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
