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


Thomas Renninger <[email protected]> changed:

           What    |Removed                     |Added
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             Status|NEEDINFO                    |ASSIGNED
                 CC|                            |[email protected],
                   |                            |[email protected], [email protected]




--- Comment #12 from Thomas Renninger <[email protected]>  2010-10-15 10:07:06 ---
Thanks!
So it looks like we have a regression in 2.6.35 kernel which got fixed between 
 2.6.36-rc6-git2 and 2.6.36-rc7-git3.
It affects idle/busy/io CPU accounting in way that cpufreq ondemand governor
does not switch up frequency (only with the workaround by dramatically
decreasing up_threshold tunable).

The fix seem not to be in any cpufreq related code (According to Heinz, I
didn't double check, but haven't seen anything on the cpufreq list lately).

Rafael/Ingo/Peter: Do you have an idea which patch could have solved this
issue.
This should probably go to .35 stable...

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