Fedora Gnome-shell abnormal high CPU usage in combination with Intel GM 4000 videocard

Works like a charm on my Fedora 21 and HP Latitude E6400.

Joris Visscher

I’ve been using my trustworthy thinkpad for a couple of years now, but as soon as I installed Fedora on it, it became quite slow due to gnome-shell using a huge amount of CPU power.

My thinkpad isn’t the quickest out there, it’s a dual core machine from around 2006, but 50% CPU on two cores for just Gnome was a bit excessive.

I’ve been searching a lot, and didn’t found any solution, until I started fiddling with Gnome-tweak-tool and saw the “Background logo” entry.

If you haven’t yet; Install gnome-tweak-tool with the following command:

sudo yum install gnome-tweak-tool

The background logo is an PNG overlay on your desktop, and that overlay doesn’t work well with Intel GM cards.

Start gnome-tweak-tool, disable that extention and see your CPU usage drop to 2%, which is what it should be.

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