ubuntu 11.10 and PHC

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Mihrutkin
Posts: 1
Joined: Fri 14. Oct 2011, 06:30

ubuntu 11.10 and PHC

Post by Mihrutkin » Fri 14. Oct 2011, 06:33

Help to install ubuntu 11.10 PHC and phc tool in desirable detail. thank you

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Docet
Posts: 44
Joined: Wed 23. Feb 2011, 18:30

Re: ubuntu 11.10 and PHC

Post by Docet » Mon 17. Oct 2011, 08:17

follow the guide available here:

http://linuxsolver.blogspot.com/2011/02 ... buntu.html

but please be patient and wait for the patched kernel to be released! ^_^


Cheers

maui_muc
Posts: 6
Joined: Fri 25. Nov 2011, 05:36

Re: ubuntu 11.10 and PHC

Post by maui_muc » Sat 3. Dec 2011, 04:37

Hi Mihrutkin,
well, this expaination will be a little concise, however, it should work.

First of all you have to replace Ubuntu's standard kernel by a so called PHC kernel. Therefore, add the linux-phc testing PPA (https://launchpad.net/~linux-phc/+archive/testing) to your system and install an appropriate kernel.

As a second step, you have to download and build the linux-phc kernel module. If you are using an Intel CPU download this Package http://www.linux-phc.org/forum/viewtopic.php?f=7&t=267, generate a Debian Package with make dkms_mkdeb and install it.

As a last step you have to blacklisting both modules acpi_cpufreq and cpufreq_stats and additionally putt phc-intel to /etc/modules which loads this module on startup. To put these changes in place run update-initramfs -u.

Now restart you system and the linux-phc module should be loaded on startup.

To change core voltage, override /sys/devices/system/cpu/cpuN/cpufreq/phc_controls with appropriate values.

If you have further questions please read READMY.1st in the first place!

Best, Stefan

lio
Posts: 83
Joined: Wed 2. Mar 2011, 18:37

Re: ubuntu 11.10 and PHC

Post by lio » Thu 5. Jan 2012, 12:35

Just a little note to this: (see also http://www.linux-phc.org/forum/viewtopi ... 7&start=10)
maui_muc wrote:As a last step you have to blacklisting both modules acpi_cpufreq and cpufreq_stats and additionally putt phc-intel to /etc/modules which loads this module on startup. To put these changes in place run update-initramfs -u
Instead I would recommend to create a empty file /etc/modprobe.d/phc-intel.conf and after this install (or reinstall) the debian package. It makes life much simpler. If it doesn't work, drop a note.

Dirk

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