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Topic: How to install CPU Freq Driver, Use cpufreqd with acpid and ACPI

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^thehatsrule^ Offline

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Posted: Nov. 29 2006,18:12

Looks like a problem with the .config in 2.4.26 - see http://lkml.org/lkml/2004/4/19/202

Although I'm guessing you may not need to recompile that module - it's good to have a fully successful build anyways.

Zucca

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Posted: Nov. 29 2006,21:44

Hmmm. This is a bit OT but is it anyway possible to load different kernel (from usbstick or hd) when using live cd?

--------------
Do you have it? - http://dy.fi/mak

Juanito

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Posted: Nov. 30 2006,09:18

^thehatsrule^ - thanks for the link (I didn't think Google would turn up anything so obscure).

This confirms I'm not going crazy and there is an issue that stops things when compiling /drivers/char/drm in 2.4.26 - the link offers two solutions:

1. Build for more than CONFIG_M386=y - menuconfig won't allow me to do this and if I manually set more than one processor then menuconfig will not open the .config file...

2. Apply the patch listed in the link - I tried this but there must be an error introduced by the author cutting & pasting a long line(s) of text into a narrow web page and the patch gives an error message about unexpected end of line (but does not give a line number). I guessed a couple of corrections but it's all gobbledegook to me...

I got the compile to run fully by disabling DRM in .config - just unchecking the DRM modules does not help - and cpufreq looked to compile properly. 'Trouble is I need DRM in the kernel image in order to use my monitor with XFree...

^thehatsrule^ Offline

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Posted: Nov. 30 2006,17:39

1. What did you try to do for "build for more than ..."?

2. To manually do it, edit that .h file: the '+' in the first column means to add that line, '-' means to delete that line.

Zucca: probably, depends on what you changed, etc.

Juanito

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Posted: Dec. 01 2006,10:56

1. What did you try to do for "build for more than ..."? - CONFIG_M386=y & CONFIG_MPENTIUMIII=y

2. To manually do it, edit that .h file: the '+' in the first column means to add that line, '-' means to delete that line. - Aaah, so that's how it works. Thanks for the tip, I did this in the drmP.h and it almost worked. For some reason the compile didn't like the reference to system.h added in the diff, after I removed this, the compile worked fine.

As a test, since I don't know if cpufreq works yet, I compiled bluetooth in and it works (after apt-get install bluez-utils) - therefore I assume the compile "bug" is fixed.

# insmod bluez
Using /lib/modules/2.4.26/kernel/net/bluetooth/bluez.o
# insmod hci_usb
Using /lib/modules/2.4.26/kernel/net/bluetooth/rfcomm/rfcomm.o
# insmod l2cap
Using /lib/modules/2.4.26/kernel/net/bluetooth/l2cap.o
# insmod rfcomm
Using /lib/modules/2.4.26/kernel/net/bluetooth/rfcomm/rfcomm.o
# hciconfig hci0 up
# hcitool scan
Scanning ...
00:0A:D9:E8:4A:65 .P900 [my mobile phone]

74 replies since July 29 2006,19:25

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Damn Small Linux Board » Damn Small Linux » Laptops » How to install CPU Freq Driver