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[Bug 555595] Re: Intel graphics performance regression in 2.6.32-19 lucid kernel update (was: Firefox Slows Down Compiz)

 

Relevant bug reports bug #519142 and bug #555315. I wonder if this is
related to the fact that I've set the governor manually with the GNOME
applet somehow, similar to bug #519142, which causes the bug to appear.
If you can also confirm this in addition to the problem being with the
governor, it'd be quite beneficial to know what goes wrong when the
governor has been once set manually, even after setting it back to
ondemand.

As for the kernel differences, they might be indeed explained by the
fact that the governor might set the clock speed higher after boot, and
decrease it later on, so depending on how soon you do comparison after a
reboot, you might think it was the change of the kernel causing the
speedup.

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Intel graphics performance regression in 2.6.32-19 lucid kernel update (was: Firefox Slows Down Compiz)
https://bugs.launchpad.net/bugs/555595
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