I'm also experiencing this exact issue. While it doesn't happen all the time, it's sufficiently frequent and unpleasant that I just can't listen to music through the audio jack. It's still an issue using the 4.9 mainline kernel. Using a USB sound card makes the problems go away.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1648183 Title: Crackling and popping sound when using headphones To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1648183/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs