As per https://patchwork.kernel.org/patch/10384111/ message from Bluez mailing list, editing 97-hid2hci.rules as follows works around the new uevents added to the kernel in https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1455cf8dbfd06aa7651dcfccbadb7a093944ca65
-ACTION=="remove", GOTO="hid2hci_end" +ACTION!="add", GOTO="hid2hci_end" Bluetooth now works with kernels above and below 4.14. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1759836 Title: systemd-udevd consumes 100% of CPU To manage notifications about this bug go to: https://bugs.launchpad.net/bluez/+bug/1759836/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs