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#1 2015-07-06 17:52:02

JRizzoA
Member
Registered: 2015-07-06
Posts: 4

[Solved] CPU randomly tops and PC freezes

Hi. I'm new to Arch, just installed it last week and already love it. However, I have been experiencing some random freezes (using gnome) where I can move the cursor but can't interact with anything nor write with the keyboard. These freezes are becoming more frequent, with a few minutes between them, sometimes even less, and using the System Monitor I discovered each time my PC freezes one of the cores of the CPU goes to the top for a few seconds (the duration of the freeze).

Any suggestions on what could be wrong?
Thanks!

Last edited by JRizzoA (2015-07-08 03:19:35)

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#2 2015-07-06 17:56:14

respiranto
Member
Registered: 2015-05-15
Posts: 479
Website

Re: [Solved] CPU randomly tops and PC freezes

Which applications are you running while the system starts freezing?
You could run 'top' to monitor which program consumes that much of the CPU.

EDIT: You should rather run 'top -o %CPU', unless you have edited your toprc accordingly.

Last edited by respiranto (2015-07-06 17:58:09)

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#3 2015-07-06 18:09:34

JRizzoA
Member
Registered: 2015-07-06
Posts: 4

Re: [Solved] CPU randomly tops and PC freezes

Right now I only have chromium, gnome-terminal, and a PDF in evince opened.

I ran 'top -o %CPU' as you suggested, and gnome-shell appears to be the problem. It has 2.0% of the CPU when everything is ok, but it suddenly becomes 100% for a few seconds.

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#4 2015-07-06 20:28:31

respiranto
Member
Registered: 2015-05-15
Posts: 479
Website

Re: [Solved] CPU randomly tops and PC freezes

I'm sorry. I don't use GNOME, nor do I know which logs might be useful, since I'm using Arch for not that long either*.
Is there any particular action you did before the system freezes?

Maybe you should also have a look at this forum post, although it's probably a different issue.


* Can one say that?

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#5 2015-07-06 23:40:36

JRizzoA
Member
Registered: 2015-07-06
Posts: 4

Re: [Solved] CPU randomly tops and PC freezes

Woah, thanks! It never occurred to me, but apparently it was an extension, I disabled all of them and the problem ended. Now I have to figure out which one was.

Edit: Nope, it was just the restart. After a while the problem started again.

Last edited by JRizzoA (2015-07-07 03:41:58)

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#6 2015-07-07 12:34:52

respiranto
Member
Registered: 2015-05-15
Posts: 479
Website

Re: [Solved] CPU randomly tops and PC freezes

So there is no particular or any action?

Else I can only recommend you to read the #Troubleshooting section of the GNOME wiki-page.

I think the journal could also be of help.

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#7 2015-07-08 03:19:08

JRizzoA
Member
Registered: 2015-07-06
Posts: 4

Re: [Solved] CPU randomly tops and PC freezes

Ok, so I'm kinda dumb. It really was an extension I left it open by mistake, the sad part is that it was one of my favorites, Workspace isolated dash, if anyone wants to know.

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