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Tasklist

FS#73375 - High cpu usage caused by kernel process when upgraded to linux 5.16

Attached to Project: Arch Linux
Opened by William Tang (william0419) - Sunday, 16 January 2022, 04:43 GMT
Last edited by Toolybird (Toolybird) - Tuesday, 06 June 2023, 04:29 GMT
Task Type Bug Report
Category Kernel
Status Closed
Assigned To Jan Alexander Steffens (heftig)
Architecture x86_64
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:
There are some kernel process that uses a lot of cpu power after upgrading to linux 5.16. Namely,
- kworker/events_unbond
- kworker/events_power_efficient
See the attached files for demsg output and htop screenshot.

Additional info:
* package: linux 5.16.arch1-1

Steps to reproduce:
Boot up the system and watch the htop output
   dmesg.txt (62.9 KiB)
   Screenshot from 2022-01-16 12... (222.7 KiB)
This task depends upon

Closed by  Toolybird (Toolybird)
Tuesday, 06 June 2023, 04:29 GMT
Reason for closing:  Upstream
Additional comments about closing:  Old and stale...and clearly an upstream issue. If still happening, please follow up with the kernel folks.
Comment by William Tang (william0419) - Monday, 14 February 2022, 02:39 GMT
BTW, I created a bug on linux's Bugzilla website.
link: https://bugzilla.kernel.org/show_bug.cgi?id=215548

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