https://github.com/torvalds/linux/commit/d5266125fb439a5dfa4edd548d888fda47414ac5
Perhaps you should send e-mail to Takashi Iwai <email address hidden> . Before doing that, you should test a LiveUSB of Ubuntu 13.10 if possible to verify the issue hasn't been fixed elsewhere in sound stack.
https:/ /github. com/torvalds/ linux/commit/ d5266125fb439a5 dfa4edd548d888f da47414ac5
Perhaps you should send e-mail to Takashi Iwai <email address hidden> . Before doing that, you should test a LiveUSB of Ubuntu 13.10 if possible to verify the issue hasn't been fixed elsewhere in sound stack.