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CPU Throttling


Phantom
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I noticed that my cpu isn't throttling anymore :help:

 

Even when changing modes using KLaptop there is nothing happening.

 

This is my cpu info:

 

vendor_id : AuthenticAMD

cpu family : 15

model : 12

model name : Mobile AMD Athlon 64 Processor 2800+

stepping : 0

cpu MHz : 1603.984

cache size : 512 KB

fdiv_bug : no

hlt_bug : no

f00f_bug : no

coma_bug : no

fpu : yes

fpu_exception : yes

cpuid level : 1

wp : yes

flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 pni syscall nx mmxext lm 3dnowext 3dnow

bogomips : 3174.85

 

It seems to have slowed down to 1600Mhz instead of 1800Mhz.

 

Normally it should throttle between 1800 - 1600 and 800 Mhz

Edited by Phantom
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This is becoming urgent as my lappy is getting very hot !!!!

 

Adamw told me to use a different kernel to get rid of the NX codes in the 64bit cpu's (was stopping me from using ndiswrapper), could it be that the new kernel is stopping me from thottling ???

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Adamw, it seems to be coming back.

 

I checked the kernel config file, and there is nothing for ACPI activated, how can I compile a new kernel but still make sure that the NX codes are disabled ?

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ACPI certainly ought to be in there, if you've got a /proc/acpi directory with stuff in it, ACPI is working. I don't know the specific answer to the question, but what you need to do is disable the PAE extensions, if you can see where to do that.

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ACPI certainly ought to be in there, if you've got a /proc/acpi directory with stuff in it, ACPI is working. I don't know the specific answer to the question, but what you need to do is disable the PAE extensions, if you can see where to do that.

 

Thanks, I'm gonna have a look

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I had a look in /etc/acpi but there is nothing related to the cpu, only for the battery

 

[master@localhost acpi]$ ll

total 8

drwxr-xr-x 2 root root 4096 mai 21 20:57 actions/

drwxr-xr-x 2 root root 4096 mai 21 20:57 events/

[master@localhost acpi]$

 

[master@localhost actions]$ ls

battery.sh*

[master@localhost actions]$

 

[master@localhost events]$ ls

ac_adapter power sleep

[master@localhost events]$

 

 

that's it.

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It isn't working at all, the cpu is only scaling between 1800 and 1600 mhz, even when the correct scalings are set in the config.

 

Last night it worked for a moment by simple doing a Service cpufreq restart, but now it's not working anymore.

 

This is starting to give me a :wall:

 

It's no good for a laptop to be running at full speed all the time, they're not designed for that in regards to cooling.

 

I might need to give up Linux for a while until this is fixed, a shame as for the rest it's fitting my needs. :(

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