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Re: random performance problems in X

martin f krafft wrote:

> I just put together a machine with a 3GHz Athlon, 1Gb of 400MHz
> DDR-RAM and a 64 Mb dual-head ATI Radeon 7500 PCI. It's running
> a Debian 2.6.6-k7 kernel. The system works fine and seems pretty
> performant, but every now and then it does weird things.
> For instance, when I enter an OpenOffice.org document with the
> mouse, or when I open various images in rapid succession in firefox
> as tabs, then the mouse jerks and xmms or ogg123 cuts out.
> It all peaks when I fullsize a 2000x1700 pixel image across the
> Xinerama screens. The system basically becomes unresponsive for
> a couple of seconds. I have 1.2 GHz Athlons with 256Mb that handle
> this just fine.

What is the nice value in /etc/X11/Xwrapper.config set to? It should be -10
for 2.4.x kernels and 0 for 2.6.x kernels.

Note that "dpkg-reconfigure xserver-common", though it seems to configure
this file, does not actually update it (due to a missing checksum - a known
bug). You will need to edit the file manually.

After editing this file, you will need to restart X to get the priority to


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