Could this be feedback from an active mic? Try turning off the mic and see if it still happens.
-- [Hardy, Intrepid] Piercing squeal from SbLive value at boot and when turning up AC97 volume knob https://bugs.launchpad.net/bugs/278786 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
