I can confirm, using said screenshot, i turned off bluetooth in my bios, and as top shows in the below screenshot the bug seems resolved, so the bug is confirmed.
** Attachment added: "Screenshot at 2018-04-29 08-57-39.png" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1767603/+attachment/5129957/+files/Screenshot%20at%202018-04-29%2008-57-39.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1767603 Title: BCM2046B1 and hid2hci generates highcpu usage due to udev since 4.14 kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1767603/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs