[Bug 36014] Re: kernel can't scale cpu frequency

[Constantine Evans]

My problem was that this was happening with all kernels that I tried
(386, 686, etc), and fixing it required hackish modification of the _PPC
frequency limiting code, to stop it from incorrectly limiting. It
appears that this bug is now gone as of 2.6.17-2 in Edgy, but I can't
say for sure. The description in the patch for 2.6.17 is useful, reading
it carefully makes it seem to me like the bug didn't manifest itself in
Ubuntu because of a change in the kernel, but instead because of a
change in something like init script timing, and also that the problem
can appear somewhat randomly.

As far as I know, the bug is not fixed for Dapper however, and my
attempt to backport the 2.6.17-rc2 patch didn't seem to work. I might
try it again in a few days.

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kernel can't scale cpu frequency
https://launchpad.net/bugs/36014