As the pink and blue jack at rear panel have been retested for output jacks (channel mode 6ch)' you can not select rear mic as input source.
Did your computer chassis have a hda front audio panel ? This may be a bug in module_switch_on_available_port -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1011010 Title: [HDA-Intel - HDA Intel, recording] Recording problem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1011010/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
