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2021/01/27, 03:05:08


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Offline ShadowLordSora

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CPU and RAM usage (Not Idling Normally)
« on: 2021/01/01, 02:55:59 »
Hello everyone,
I have been using siduction for a while now and It's only after a fresh install that I have been having a problem. The problem is that my CPU an AMD Ryzen 3600X  and my RAM 2x8GiB sticks as a G.Skill FlareX 3200C14 has been not idling normally and what I mean by that is that when I first boot into my system my RAM and CPU usage are normal (between 1%-10% for CPU and between 5%-10% for RAM) then after about 30 seconds the CPU will got up to 100% and the RAM will got up to 50% (this is with nothing running).

I have tried these things,
1) Changing kernels, starting with 5.7.3, then 5.8.3, then 5.8.16 (which is with the latest ISO I have on hand), then 5.9.12, then 5.10.3 and now 5.10.4 (currently running)
all of these kernels have the same problem with the CPU and RAM.

2) Booting into a live ISO and running htop, this in turn the CPU and the RAM are running normally.

I can't post any screenshots as the files are too big

Thanks for reading.

Offline devil

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Re: CPU and RAM usage (Not Idling Normally)
« Reply #1 on: 2021/01/01, 17:12:52 »
Do CPU and RAM usage stay this high? For how long? What does htop say about the processes driving the CPU load? (screenshot please)

Offline ShadowLordSora

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Re: CPU and RAM usage (Not Idling Normally)
« Reply #2 on: 2021/01/02, 00:00:49 »
Hello Devil,

The CPU and RAM fluctuates, so for CPU 100%-10% and RAM 50%-10%. This fluctuation happens for hours on end.

Offline absolut

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Re: CPU and RAM usage (Not Idling Normally)
« Reply #3 on: 2021/01/02, 12:41:41 »
i am not familiar with DisplayLinkManager (what are you using it for?)

google search provides some hits, for example this one:
   https://displaylink.org/forum/showthread.php?t=66257

Offline ShadowLordSora

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Re: CPU and RAM usage (Not Idling Normally)
« Reply #4 on: 2021/01/02, 23:23:49 »
Hello,

I use DisplayLink to run a USB 3.0 Monitor, the monitor I use runs a conky. I install the DisplayLink driver using a shell script which I found on github and I use the ArchWiki to help has well, like making the monitor run on start up.

https://github.com/AdnanHodzic/displaylink-debian
https://wiki.archlinux.org/index.php/DisplayLink
The conky on my 2nd monitor is where I started to notice the problem I'm having.
I have attached a screenshot of my conky using the 5.10.3 kernel, showing the CPU and RAM usage.

Offline ShadowLordSora

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Re: CPU and RAM usage (Not Idling Normally)
« Reply #5 on: 2021/01/03, 08:26:49 »
Hello again,
I just did a test by uninstalling the DisplayLink driver and I'm still having the same issue, just want to run a test to help anyone out.

Offline absolut

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Re: CPU and RAM usage (Not Idling Normally)
« Reply #6 on: 2021/01/03, 09:24:37 »
according to your screenshot it might be gpu-ls.
interestingly it is only listed with <10 % cpu

Code: [Select]
$ apt-file search gpu-ls
ricks-amdgpu-utils: /usr/bin/gpu-ls       
ricks-amdgpu-utils: /usr/share/man/man1/gpu-ls.1.gz



$ apt show ricks-amdgpu-utils
Package: ricks-amdgpu-utils
Version: 3.5.0-1
Priority: optional
Section: utils
Maintainer: Debian Science Team <debian-science-maintainers@lists.alioth.debian.org>
Installed-Size: 707 kB
Depends: python3-gpumodules, python3:any
Breaks: python3-gpumodules (<< 3.5.0)
Replaces: python3-gpumodules (<< 3.5.0)
Homepage: https://github.com/Ricks-Lab/amdgpu-utils
Download-Size: 543 kB
APT-Sources: https://ftp-stud.hs-esslingen.de/debian unstable/main amd64 Packages
Description: AMD GPU performance adjustment and monitoring

i suppose that this utility package needs some more attention. maybe particular settings? maybe there is a known bug?

Offline ShadowLordSora

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Re: CPU and RAM usage (Not Idling Normally)
« Reply #7 on: 2021/01/03, 11:09:41 »
Hello absolut,
Removing gpu-ls has fix the idling of my CPU and RAM. Thank you for you help.  :)