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Ubuntu 11.04 help

post #1 of 16
Thread Starter 
Hello,

I need some help with overclocking.

I have a server that has the i7 990x for the CPU and it's running Ubuntu 11.04 server edition. I've overclocked the CPU in the BIOS to 4.1GHz and that's what it appears as when I log into BIOS to double check. However the system won't let it go higher than the stock speed.

I've tried changing the CPU frequency scaling, but all it did is made it run at the stock max speed the whole time. You can see the before and after results in the graph below.




Basically my question is how do I tell the OS to let the CPU run at the speed that it's set to in the BIOS?

Thank you very much.
post #2 of 16
Output from
Quote:
cat /proc/cpuinfo
??
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post #3 of 16
Thread Starter 
Here is the output

http://pastebin.com/sr7hccy7

It showed the same thing for all 12 cores, that's just one.
post #4 of 16
odd. do you have speedstep, c1e and cstates turned off?

if those things are turned off, then the kernel can't dynamically adjust the cpu frequency and it should run at full bore at all times.
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post #5 of 16
Thread Starter 
Quote:
Originally Posted by Transhour View Post
odd. do you have speedstep, c1e and cstates turned off?

if those things are turned off, then the kernel can't dynamically adjust the cpu frequency and it should run at full bore at all times.
No idea what that is, how do I check?
post #6 of 16
you overclocked without knowing what those are? they will be in your BIOS under cpu configuration i'd imagine.
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post #7 of 16
Thread Starter 
Quote:
Originally Posted by Transhour View Post
you overclocked without knowing what those are? they will be in your BIOS under cpu configuration i'd imagine.
I am very new to over clocking and linux

So I want those to be off, right?

Won't get a chance to check until early AM when server isn't busy.
post #8 of 16
yeah they will need to be disabled, did you stress test this OC?
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KeyboardPowerCaseMouse
GIGABYTE KM7600 CORSAIR TX 650 Cooler Master 590 GIGABYTE GM-M6800 
CPUMotherboardGraphicsRAM
Intel Core I5 6500 Gigabyte z170xp-SLI Nvidia 970gtx Corsair 16gb ddr4 2666mhz  
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250gb Samsung Evo 850 Windows 10 & Ubuntu 15.10 
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post #9 of 16
Thread Starter 
Quote:
Originally Posted by Transhour View Post
yeah they will need to be disabled, did you stress test this OC?
Yes, we stressed tested the CPU at that setting. Had all cores loaded to 100% for 12 hours. However actual CPU speed only goes up to stock number, just like in the graph.
post #10 of 16
Thread Starter 
speedstep, c1e, adn cstates are all disabled now, but nothing has changed.

This is the motherboard the server has, if that's of any help.
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