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Robert Hancock wrote:
> Dave Jones wrote:
>> On Tue, May 30, 2006 at 05:25:26PM -0700, Eric Sandall wrote:
>> > > It seems that any kernel on my Dell Inspiron 5100 after 2.6.15.6
>> > (including 2.6.17-rc5) 'breaks' my cpufreq in that up to and including
>> > 2.6.15.6 I can scale between 300MHz-2.4GHz, but after (starting with
>> > 2.6.16) I can only scale between 2.1GHz and 2.4GHz.
>> > > I've attached the files, sorted by kernel, I assume may be
>> helpful. Let
>> > me know if you need any more.
>>
>> It may have worked in the past, but the CPU has an errata which makes
>> it an unsafe operation to scale below 2GHz.
>
> There was some discussion about whether this was correct or not in this
> thread:
>
> http://groups.google.ca/group/fa.linux.kernel/browse_thread/thread/d5b5905d7f1aa221/66c41ee3a26583b3
>
>
> Did this ever get resolved? From my reading of the N60 erratum,
> disabling the 12.5% duty cycle sounds like this should be enough,
> disabling everything under 2GHz is not necessary..
I would definitely prefer that approach of removing the problem
frequency rather than all 8.
- -sandalle
- --
Eric Sandall | Source Mage GNU/Linux Developer
[email protected] | http://www.sourcemage.org/
http://eric.sandall.us/ | SysAdmin @ Shock Physics @ WSU
http://counter.li.org/ #196285 | http://www.shock.wsu.edu/
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