FYI still happening to me on 18.04 with HWE kernel, similar behavior as #38: kworker with steady high cpu usage after un-docking, re-docking didn't solve it tho.
kernel: 4.18.0-15-generic hardware: Thinkpad x270, Thinkpad Ultra Dock, network: enp0s31f6 (dock eth) and wlp3s0 up -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1488426 Title: High CPU usage of kworker/ksoftirqd Status in HWE Next: New Status in linux package in Ubuntu: Confirmed Bug description: kworker consuming 71.5% cpu resource ksoftirqd consuming 28.9% cpu resource It leads to power consumption issue and sometimes leads to BT does not work. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1488426/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
