High CPU usage of Xorg

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High CPU usage of Xorg

Postby Pelsjager on Sat Apr 20, 2013 12:56 pm

Hi,
I'm currently running LM 14 Nadia on a laptop, with a Intel C2D P8700 and a Nvidia GT240M. When idle, the cpu-usage varies between 20-50% constantly, for both cores. Looking at the processes in the System Monitor, it seems that Xorg (25-35%) and Cinnamon (~10%) are the culprits. I assume that these loads are unusually high, for a system that is essentially idle.
I googled the problem, but the suggested fixed do not seem to work for me. I'm using the nvidia-current drivers, and they seem to work, and GPU rendering is used instead of software rendering. The poblem seems like the one described here: http://blog.linuxmint.com/?p=2234, but MDM 1.08 is installed, and the problem persists.
Is there anyone who has an ideahow I can solve this? Or am I just expecting too much from my system?
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Re: High CPU usage of Xorg

Postby DrHu on Sat Apr 20, 2013 2:46 pm

First, I can say does it matter: if that load doesn't affect the application operation(s) of your system

It could be a bug/issue with a particular driver or some other desktop application, that is matter of research.
--probably the issue if there is any is more likely to be the driver for that device: as sometimes Linux drivers (even vendor(s) for newer devices) are a bit later to the party and can represent a kludge or less than optimal (aka match windows OS speed) setting.
Last edited by DrHu on Sat Apr 20, 2013 4:28 pm, edited 1 time in total.
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Re: High CPU usage of Xorg

Postby Pelsjager on Sat Apr 20, 2013 4:13 pm

Thanks for the comment, switching from the nvidia drivers to the nouveau drivers seemed to do the trick, Xorg and cinnamon load are now back to ~2% each, and the whole system is running way more fluently again.
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Re: High CPU usage of Xorg

Postby limaunion on Tue May 07, 2013 11:41 am

hi everyone, I'm having exactly the same problem, using cinnamon and experiencing an Xorg constant cpu usage around 20% with the NVIDIA driver in two different computers (desktop and notebook).

Any idea why this could be happening? I would prefer to keep using the NVIDIA drivers instead of being forced to switch to nouveau.

TIA
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