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Bug#928855: marked as done (CPU usage/freq periodically raises on amd64 (Kaby Lake))

Your message dated Sun, 12 May 2019 15:58:36 +0100
with message-id <e36aace99e8d8325be4494cf872f0c6dcf535a3e.camel@decadent.org.uk>
and subject line Re: Bug#928855: CPU usage/freq periodically raises on amd64 (Kaby Lake)
has caused the Debian Bug report #928855,
regarding CPU usage/freq periodically raises on amd64 (Kaby Lake)
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
928855: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=928855
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-image-4.19.0-4-amd64
To: maintonly@bugs.debian.org
Subject: CPU usage/freq periodically raises on amd64 (Kaby Lake)
Package: linux-image-4.19.0-4-amd64
Version: 4.19.28-2 amd64

Dear maintainers,

In my amd64 Kaby Lake GNOME machine,
CPU usage/freq periodically raises.

Watching top as root with CPU time sort,
I doubt kworker/0:2-events_power_efficient.

It periodically wakes and has relatively
a large number of CPU time usage.
(It means, not power efficient)

That is happening even in rescue.target.

FYI: chkrootkit shows nothing interesting.

Regards.

--- End Message ---
--- Begin Message --- 
This is a somewhat interesting observation, but I fail to see a bug.

Ben.

On Sun, 2019-05-12 at 17:11 +0900, hoxp18 wrote:
> Package: linux-image-4.19.0-4-amd64
> To: maintonly@bugs.debian.org
> Subject: CPU usage/freq periodically raises on amd64 (Kaby Lake)
> Package: linux-image-4.19.0-4-amd64
> Version: 4.19.28-2 amd64
> 
> Dear maintainers,
> 
> In my amd64 Kaby Lake GNOME machine,
> CPU usage/freq periodically raises.
> 
> Watching top as root with CPU time sort,
> I doubt kworker/0:2-events_power_efficient.
> 
> It periodically wakes and has relatively
> a large number of CPU time usage.
> (It means, not power efficient)
> 
> That is happening even in rescue.target.
> 
> FYI: chkrootkit shows nothing interesting.
> 
> Regards.
> 
-- 
Ben Hutchings
It is a miracle that curiosity survives formal education.
                                                      - Albert Einstein

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