Public bug reported: I can confirm the following bug in kernel version 4.15 in bionic,
https://bugzilla.kernel.org/show_bug.cgi?id=199035 I have thus booted into 4.13, and temporarily worked around the bug. If you need any further information please tell me. ** Affects: linux (Ubuntu) Importance: Undecided Status: New -- 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