Same problem with an old Dell Inspiron 1545 recently upgraded to Ubuntu 18.04 (4.15.0-22-generic). After disabling Bluetooth in the Bios and removing package Bluez, system is usable again.
-- 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