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Old 10-29-2018, 05:50 PM   #1
enine
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Distribution: Slackware 14.2, SlackwareArm-current
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thumbnail.so maxes one CPU core with AlienBob's Kde5


I upgraded to Alien Bob's KDE 5 a bit ago and noticed my cpu fan started running. I checked and see that thumbnail.so is maxing one core. If I kill it and then browse some more folders with Dolphin it starts up again and maxes out a cpu core again.

Any suggestions here?
 
Old 11-04-2018, 06:16 AM   #2
Ztcoracat
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Try using lm-sensors to control the fan.

https://wiki.archlinux.org/index.php/fan_speed_control

https://www.linuxquestions.org/quest...ol-4175617879/

https://www.linuxquestions.org/quest...re-4175497164/

Hope those links help:-
 
Old 11-04-2018, 06:44 AM   #3
montagdude
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Quote:
Originally Posted by Ztcoracat View Post
Um... unless I have misunderstood, the issue is not that the fan is running, it's that one CPU is being maxed. The fan is supposed to be running.
 
1 members found this post helpful.
Old 11-04-2018, 06:51 AM   #4
Ztcoracat
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Quote:
Originally Posted by montagdude View Post
Um... unless I have misunderstood, the issue is not that the fan is running, it's that one CPU is being maxed. The fan is supposed to be running.
You're right the fan is suppose to be running.

Sorry about that, got it backwards:-

How to find which Process is causing High CPU usage

https://unix.stackexchange.com/quest...high-cpu-usage

I could be wrong but maybe system calls is what's causing the high cpu usage-

Try running this cmd to get a more in depth readout-

iostat -xk 5

https://unix.stackexchange.com/quest...h-system-usage

I'm not an expert at high cpu usage but I am trying to help you.

What is the top command reporting that's causing the cpu to be maxed out?

Last edited by Ztcoracat; 11-04-2018 at 07:19 AM.
 
Old 11-05-2018, 09:18 AM   #5
enine
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thumbnail.so is whats maxing out. I get that far (i.e. I know how to tell what process is causing high cpu). My issue is why is thumbmail.so getting stuck?
 
Old 11-05-2018, 11:16 AM   #6
Ztcoracat
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It looks like it's a problem for other KDE users as well.

https://forum.kde.org/viewtopic.php?f=15&t=142431
https://forum.kde.org/viewtopic.php?f=224&t=153729

Maybe try setting thumbnails to "disable all"-?
https://askubuntu.com/questions/5657...n-cause-100cpu

Maybe downgrade to KDE 4 until the bug gets fixed. (up to you)

*****Here's the 'temporary' fix by: TB0ne- ******

https://www.linuxquestions.org/quest...de-4175606972/

HTH
 
Old 11-06-2018, 01:49 AM   #7
chrisretusn
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I'm using Alien Bob's latest Ktown with Slackware64-current (Sun Nov 4 19:45:38 UTC 2018)

KDE Plasma Version: 5.14.1
Qt Version: 5.11.2
KDE Frameworks Version: 5.51.0
Kernel Version: 4.19.1
OS Type: 64-bit
Processors: 4 AMD Phenom(tm) II X4 840 Processor
Memory: 7.8 GiB of RAM

Trying to reproduce, no luck.
 
  


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