[Bug 13995] Incorrect CPU frequency reported

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http://bugzilla.kernel.org/show_bug.cgi?id=13995





--- Comment #3 from Ben Morris <iamtheben@xxxxxxxxx>  2009-08-17 08:24:55 ---
I'm sorry to say that I gave incorrect information above: the CPU *was*
slightly overclocked, because the BIOS config screen seems to be buggy
(choosing something like "default setting - 1866 (266)" for the FSB frequency
actually caused it to be set at 272MHz for a CPU clock speed of 1904MHz - yes I
know this is not a kernel issue; just explaining how I got the incorrect
information). This meant that the figure from Slax was correct. At no point was
the CPU overheated, nor were there any signs of instability, even when
compiling many packages (with -j3). The motherboard is an Abit AB9.

Setting the memory frequency to 266 manually in the BIOS makes the kernel
report correctly again.

I presume this is still a bug, since when slightly overclocked the CPU
frequency is misread, when the machine is running very stably and older kernels
are able to display it correctly.

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