http://bugzilla.kernel.org/show_bug.cgi?id=8246





------- Comment #40 from [EMAIL PROTECTED]  2008-04-22 08:03 -------
Can everybody affected, pls have a look at or attach dmidecode.
Is there one with a BIOS version 1SET*WW?
For these machines C-states are disabled/blacklisted, the patch from Yakui
could fix that and C-states might work, it would be great if someone has such a
machine and is willing to give it a try.

Affected people should see somthing similar like this in dmesg:
IBM ThinkPad R40e detected - limiting to C* max_cstate. Override with
processor.max_cstate=9
With Yakui's patch can you do:
processor.max_cstate=9
and you then get a working machine and:
cat /proc/acpi/processor/*/power
shows more than C-state?


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