The solution proposed in #28 did not work for me on Ubuntu 12.04 on an ASUS Z97-Pro. However, I was able to solve this issue by installing the latest linux kernel (3.16-RC4).
I wrote some step by step instructions on how to resolve this issue (as well as other hardware compatibility issues on the Z97 chipset) here: https://github.com/Nerdylicious/How_To_Fix_Ubuntu_Compatibility_On_Intel_Z97_Build -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1321421 Title: 8086:8ca0 Sound output distorted/unusable with Intel Z97/H97 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1321421/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs