Ubuntu
linux package

  1. Bug #1990876
  2. Comment #24

Comment 24 for bug 1990876

Revision history for this message
Yuki ONISHI (yonishi) wrote :

In my case,
# echo 'on' > '/sys/bus/usb/devices/usb3/power/control'
helps removing the high CPU usage of kworker and ksoftirqd.

My PC (Ubuntu 22.04, 6.5.0-1020-oem) has a broken USB port on usb3 and dmesg reports "usb usb3-port7: over-current condition".
Also, powertop is enabled on my PC and the status of "Autosuspend for USB device xHCI Host Controller [usb3]" was "Good".
So, I changed the status to "Bad", which is equivalent to the command above, solving the issue.