CPU frequency scaling

[BurningIce]

Hi, for some reason, I've lost CPU frequency scaling capbilities after updating the kernel. I have build all the powersaving things such as ACPI P-states driver into the kernel and i emerged cpufrequtils. but whenever i try to start cpufrequtils i get this error:

[muhsinzubeir]

[BurningIce]

Thanks for the reply:

Here's the code:

[muhsinzubeir]

Question:
How did u upgrade, like manually editing or just copyin over .config ?Nothing left on dmesg like a clue or so...??If it was working b4, you might want to downgrade to make sure that that version isnt working with u.

P:S
-ive masked all newer kernel version on my box, so im still stuck on 2.6.24.r8 as upgrading from there my last attempt was filled with some errors.
-A good practice on kernel-upgrade would be to keep a backup of your working kernel image everytime you upgrade.This helps if the newer image fails, you can easily go back to the working state en stay there.Thats what i would do if i dont have any reason why i should upgrade
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p5k-se
Intel Core 2 Duo
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http://www.zanbytes.com

[BurningIce]

I manually edited the kernel. Actually mostly redid it from scratch.
ok here's the dmesg output:

[muhsinzubeir]

can you confirm that you have a governer enabled on ur kernel?

[BurningIce]

yea those options are configured into the kernel. I have them all hard coded in and not as modules. And cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors still gives me no such file/directory.

[snIP3r]

[BurningIce]

Get ready guys this is huuuuuge

Here's the .config

[muhsinzubeir]

[pappy_mcfae]

Could you please post the results of lspci -n?

Blessed be!
Pappy
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[BurningIce]

lspci -n code:

[pappy_mcfae]

I went through your kernel, and did some tweaking. I also cleared some drivers that weren't needed, and so on. Here is the result.

Blessed be!
Pappy
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[BurningIce]

Haha thanks pappy. But it appears your config doesn't work because im on an x86_65 system and booting throws a lot of errors. O well. Regardless, i guess im just gonna call this a kernel bug unless someone else has any ideas? Thanks for the help though guys.

[pappy_mcfae]

Run make oldconfig on it, that will set it up for the 64 bit environment.

Blessed be!
Pappy
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[BurningIce]

nvm I think i found something:

[pappy_mcfae]

You have some old object code messing with things. Try doing a make clean.

Blessed be!
Pappy
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[BurningIce]

I've already tried make clean, but it doesn't fix it. Is there anything else I coudl try? Thanks.

[BurningIce]

here's something else i've found:

[pappy_mcfae]

Yes.

Follow these instructions carefully. Done wrong, it will nuke your .config. This is safest to do while you are running a different kernel than the one in question. If that's not doable, it will still work. I'll give you the how-to assuming you have only this kernel functional.

1) Move .config from the /usr/src/linux-2.6.25-gentoo-r7 directory to the /usr/src directory.
2) In /usr/src/linux-2.6.25-gentoo-r7, enter "make mrproper".
3) Once make mrproper is done, move .config back to /usr/src/linux-2.6.25-gentoo-r7.
4) Enter "make" in /usr/src/linux-2.6.25-gentoo-r7
5) Delete the /lib/modules/2.6.25-gentoo-r7 directory
6) Enter "make modules_install" in /usr/src/linux-2.6.25-gentoo-r7.
7) Reboot.

This returns the kernel source to its pristine state, and allows you to make a completely clean kernel. I use it every time I reconfigure or recompile my kernels.

Blessed be!
Pappy
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[BurningIce]

Thanks for all the help pappy. Yep i guess now i have a really streamlined kernel As far as cpufreq scaling, I checked kernel.org and its a bug in that release of the kernel. So I guess i'll just have to wait for the next one. Thanks for everything though

[muhsinzubeir]

[pappy_mcfae]

A kernel bug. That figures.

I'd suggest trying the .26 family, but I'm not sure if you do unstable or not. It might be worth it just to find a kernel that will allow your system to work as you desire.

Blessed be!
Pappy
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[snIP3r]

hi all!

i have installed 2.6.25-gentoo-r7 on an amd64 and for me it looks like cpu frequency scaling is working. but i got another problem with irqblance not working so it might be the same kind of bug like yours.
thx for the info to mask 2.6.25-r7...

greets
snIP3r
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Intel i3-4130T on ASUS P9D-X
Kernel 6.6.52-gentoo SMP
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if your problem is fixed please add something like [solved] to the topic!

[Abraxas]

This isn't a kernel bug. The latest cpufrequtils available in portage does not work with kernel >=2.6.25. You can get a newer cpufrequtils from my website:

cpufrequtils-004 ebuild

Look at the bottom of the post to download the ebuild and related files.