I have experienced this exact same problem. After checking in top for mythbackend I killed the process and the constant harddrive access ended immediately. I would assume therefore that the backend was causing the issue.
-- Constant hard drive activity https://bugs.launchpad.net/bugs/311045 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
