[Bug 19702] i5-450M CPU gets stuck in low/lowest state

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https://bugzilla.kernel.org/show_bug.cgi?id=19702





--- Comment #54 from David Tomaschik <david@xxxxxxxxxxxxxxxxxx>  2011-08-12 13:20:36 ---
An update on my post above.  Disabling TurboBoost in the BIOS seems to have
resolved the issue.  I wonder if TurboBoost somehow causes mis-reported aperf
statistics.

Interestingly enough, the ratios are the same as the turboboost ratio on this
CPU.  That is, 3.2GHz (Turbo)/2.5 GHz (Stock) == 800 MHz (Real minimum)/625 MHz
(reported minimum via aperf).  I don't know if it matters, just thought it was
notable.

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