Xorg using 90% of CPU

[Felix Oxley]

Solved: the issues was caused by VirtualBox (with vrdp active).
Solution for now - do not have virtual machine autostart at boot.

Thanks


On 19 April 2010 16:22, Felix Oxley <felix at oxley.org> wrote:

> Hi,
>
> I suffered a brief (10 second) power cut leading to a hard power off.
> Since that time, when I log in to Gnome, my system is very slow to respond.
> System monitor shows constant CPU activity even when I am doing nothing.
> top command reports that Xorg is using ~90% of CPU.
>
> I have forced an fsck on all drives and rebooted multiple times to no
> effect.
> Since the fault developed I have upgraded to Ubuntu 10.04 but the problem
> persists.
>
> Xorg version is 7.5.
> Graphics card RV710 [Radeon HD 4350]
> Currently using Linux driver (afaict - fglrx is showing up in lsmod), but
> problem occurs with either the proprietary or inbuilt driver.
>
> Can anyone please suggest steps to troubleshoot/resolve?
>
> Thanks
>
> System details:
> Originally Ubuntu 9.10
> Linux molly 2.6.31-20-generic #58-Ubuntu SMP Fri Mar 12 04:38:19 UTC 2010
> x86_64 GNU/Linux
>
>
> now: Ubuntu 10.04
> Linux molly 2.6.32-21-generic #32-Ubuntu SMP Fri Apr 16 08:09:38 UTC 2010
> x86_64 GNU/Linux
>
> Quad core Opteron 1352 2.1GHz
> 4GB RAM
> Separate partitions for / /home /boot /tmp
> plenty of disk space.
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