I think I've finally found the exact bug that matches my issue. There are a number floating in LP related to ath9k and disconnects. I posted my details in this bug: https://bugs.launchpad.net/bugs/378156 - I believe they are the same problem.
-- ath9k - crashes and won't reset https://bugs.launchpad.net/bugs/407040 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs