Re: kworker/0:3+pm hogging CPU

Michal Hocko
2020-09-01T16:45:26Z

On Mon 31-08-20 14:37:10, Mathias Nyman wrote:
[...]
> I can't come up with any good solution to this right now.
> Only bad ideas such as
> a. Add a sleep to the over-current case,
> doesn't solve anything else than the ~100% cpu hogging part of the problem

This sounds like a better thing from the user space point of view. I do
not have any insight on what kind of other side effects this might have
so I didn't dare to try that on my piece of (broken) HW. I do not see
the problem all the time and I plan to replace it soon anyway.

Considering that tweaking the power management helps maybe that could be
done automagically after many consecutive failures.

Just my 2c
--
Michal Hocko
SUSE Labs