[Bug 364359] Re: [i965] High %CPU/Power Usage unless downgrade to 2.4 (UXA/EXA)

[Shashank Chintalagiri]

The downgrade to 2..4 did not help me either. In fact, it made things
worse. The bootm line is that cpu usage was minimal on 8.10, and
immediately on  upgrade to 9.04, the X process's cpu usage shot up to a
time average of about 50% of one core (of a 2.0 GHz Core2Duo, 4 MB L2).
Downgrading brought the time average cpu usage of the X process to
around 80% of one core.

While I see the merit in trying to narrow down the cause of the problem,
I honestly dont buy the 'it must be some other problem that other people
have' . The problem started in the same way for everybody, and its
possible in a specific use case the older driver is able to avoid some
other bug that was introduced.

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[i965] High %CPU/Power Usage unless downgrade to 2.4 (UXA/EXA)
https://bugs.launchpad.net/bugs/364359
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