Sounds like a regression introduced between Linux v4.4 and v4.15. Please find the first first non-working -rc* kernel between 4.4 and 4.15 in [1].
[1] http://kernel.ubuntu.com/~kernel-ppa/mainline/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/843431 Title: Logitech camera microphone does not work / makes "chipmunk" sound To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/843431/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
