After a step by step install with Gentoo, I can confirm that the noise is generated, and amplified when the bluetooth kernel module is activated.
-- Broadcom Corporation Device 4353 high pitch noise when CPU is idle https://bugs.launchpad.net/bugs/651585 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
