I can give you a conclusive answer with regards to 11.04 when I break it but my 10.10 install with a custom-rolled ALSA install, which also suffered this particular grievance, did break the recording as well.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/764062 Title: Lenovo X120e sporadic auto-mute [0596CTO, Conexant CX20582 (Pebble), Black Headphone Out, Left] -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs