[Bug 342923] Re: [i945] (Needs UXA) Kubuntu Jaunty Intel 945 GM - Poor sluggish graphics performance in Kate text, etc.

[Bartek]

fixmtrr.sh should be called just before starting x, even a logout
operation resets the MTRR ranges (when using GDM)

I've found that the MTRR fix does not affect performance in the least
when run on a system using a display manager for starting X. It seems
that the X server is only unable to set the MTRR range itself if it is
called by a normal user (eg. using startx), in that case, the MTRR fix
has a slight effect on performance on my i915 and g35.

Here are my test results using the 2.6 driver and the 2.4 backport on
different configurations on i915 and G35:
https://www.hackerspace.lu/wiki/Tracking_intel_performance_regression

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[i945] (Needs UXA) Kubuntu Jaunty Intel 945 GM - Poor sluggish graphics performance in Kate text, etc.
https://bugs.launchpad.net/bugs/342923
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