Hi,
on my Thinkpad T60 (2007-FUG), with kernel 2.6.21.1 I have the same
problem Ingo Molnar had in January and successfully fixed for his model:
http://git.kernel.org/?p=linux/kernel/git/torvalds/
linux-2.6.git;a=commit;h=e4233dec749a3519069d9390561b5636a75c7579
"Recently cpufreq support on my laptop (Lenovo T60) broke completely:
when
it's plugged into AC it would never go higher than 1 GHz - neither
1.3 GHz
nor 1.83 GHz is possible - no matter which governor (userspace, speed or
ondemand) is used."
2.6.21 and 2.6.20 include this patch and should not have this problem
anymore.
Is there any way I can see when ACPI calls for _PPC happen (via
ACPI_DEBUG) and which _PPC values get returned? Which debug_level do
I need?
Here are some more people with the same problem on 2.6.20 and 2.6.21
(which includes that patch too):
https://bugs.beta.launchpad.net/ubuntu/+source/linux-source-2.6.20/
+bug/88899
Thanks,
Tobias
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