AMD Cool 'n Quiet (powernow-k8 module)

Hi,
Im having a little problem on getting CnQ to work, here is whats going on>
[root@archcrow crow]# modprobe powernow_k8
FATAL: Error inserting powernow_k8 (/lib/modules/2.6.10-ARCH/kernel/arch/i386/kernel/cpu/cpufreq/powernow-k8.ko): No such device
[root@archcrow crow]#
Im using the stock arch scsi kernel26.
Im missing something here? or the stock kernel has a problem with cool and quiet?
Just in case: I do have an Athlon64 and a motherboard supporting the feature, also its activated in the BIOS

Hi,
This were my modules before doing anything:
[root@archcrow crow]# lsmod
Module Size Used by
eth1394 21640 0
uhci_hcd 34576 0
parport_pc 28996 0
parport 38600 1 parport_pc
irtty_sir 7424 0
sir_dev 18492 1 irtty_sir
irda 144188 1 sir_dev
crc_ccitt 2432 1 irda
pcspkr 4044 0
ohci1394 35716 0
ieee1394 111416 2 eth1394,ohci1394
nvidia 3465660 12
pci_hotplug 34748 0
joydev 10560 0
usbhid 45824 0
snd_intel8x0 34336 1
snd_ac97_codec 78176 1 snd_intel8x0
snd_pcm_oss 56612 0
snd_mixer_oss 21120 2 snd_pcm_oss
snd_pcm 101252 3 snd_intel8x0,snd_ac97_codec,snd_pcm_oss
snd_timer 27140 1 snd_pcm
snd 59108 6 snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
soundcore 10848 2 snd
snd_page_alloc 10244 2 snd_intel8x0,snd_pcm
forcedeth 18560 0
ehci_hcd 35332 0
ohci_hcd 23560 0
usbcore 125560 5 uhci_hcd,usbhid,ehci_hcd,ohci_hcd
tsdev 8128 0
evdev 9984 0
rtc 13128 0
nls_cp437 6144 2
vfat 14976 2
fat 42912 1 vfat
I could load the "freq_table" module, but the "acpi_cpufreq" answered with the following error:
[root@archcrow crow]# modprobe acpi_cpufreq
FATAL: Error inserting acpi_cpufreq (/lib/modules/2.6.10-ARCH/kernel/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.ko): No such device
Its the same as powernow-k8.
Dont understand whats wrong with this:
Yes the CnQ is enabled in BIOS, and YES, ACPI is also enabled (also tryed disabling it).

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AMD Cool and Quiet Driver

Just added in MSI
The link is for the Kn8 NEO2 but is good for any mombo
Link http://www.msi.com.tw/program/support/download/dld/spt_dld_detail.php?UID=607&kind=1
Support model The MB which is base on AMD Athlon™ 64/Sempron™/Turion™ 64/Opteron™ processor.
Description
• AMD Athlon™ 64/Sempron™/Turion™ 64/Opteron™ systems with ACPI 2.0 processor performance control objects
• WinXP WHQL pass
• Driver Version:
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- 98/ME/2K 1.0.1.7
• Windows XP 64-Bit Edition or Windows Server 2003 64-Bit Edition

It appears that this was added to MSI today. I had already installed the AMD 64 driver 1.2.2.0 (even though it appears as 1.2.2.1 at AMD) over a week ago, but C'n'Q never worked with it with my 3200+ Venice chip.
I did get C'n'Q to work with both 1.9b5 and 1.9b6 beta BIOS's but went back to 1.8 (official) for my peace of mind. Is this driver different to the one at AMD? Modified in anyway?
I would really like to get C'n'Q to work with approved drivers and not betas.
Cheers
DBM

AMD Cool n Quiet support? [SOLVED]

How do I set this up? What do I need to enable or install?
Thanks in advance.
Last edited by bored2k (2007-09-20 06:05:53)

Hmmkay. So here's what worked :
Edited /etc/conf.d/cpufreq to:
#configuration for cpufreq control
# valid governors:
# ondemand, performance, powersave,
# conservative, userspace
governor="ondemand"
# valid suffixes: Hz, kHz (default), MHz, GHz, THz
# PREVIOUSLY, MIN FREQ WAS 2.25GHZ AND MAX 3GHZ
min_freq="1.0GHz"
max_freq="2.3GHz"
I have powernowd and cpufreq in my DAEMONS array.
I'll try disabling those two from the array and see if it still works, as I'm interesting in getting it to work from within the kernel.
Btw, it's an X2 4400+ on an Abit Fatal1ty AN9 board.
Thanks tam1138!

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AMD Athlon 64 Cool and Quiet - not working

Hello,
everything is now working on my Arch workstation, except c'n'q.
First, I searched the forum for information and tried quite a lot of things, yet it is not working.
The following modules are loaded:
* powernow-k8
* cpufreq_ondemand
As for the daemons:
* acpid
* cpufreqd
The CPU is always up running at full speed. In other distros I was used to daemons like powernowd who did the frequency scaling, and so I went on and pacman'ed powernowd (pkgbuild), yet it does not work. Of course c'n'q is enabled in BIOS. Btw, I also tried athcool.
I'd be glad for any help.
Vic

[*] CPU Frequency scaling
<*> CPU frequency translation statistics
Default CPUFreq governor (performance) --->
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<*> 'powersave' governor
<*> 'userspace' governor for userspace frequency scaling
<*> 'ondemand' cpufreq policy governor
<*> CPU frequency table helpers
<*> AMD Opteron/Athlon64 PowerNow!
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echo ondemand > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
Under normal usage, this is my /proc/cpuinfo
processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 31
model name : AMD Athlon(tm) 64 Processor 3000+
stepping : 0
cpu MHz : 1001.731
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 fxsr_opt lm 3dnowext 3dnow lahf_lm
bogomips : 1966.08
Under heavy usage...
processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 31
model name : AMD Athlon(tm) 64 Processor 3000+
stepping : 0
cpu MHz : 1803.116
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 fxsr_opt lm 3dnowext 3dnow lahf_lm
bogomips : 3538.94
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Msi k8n neo3 cool 'n' quiet & amd a64 sempron 2800+

nice forum! I hope you guys can help me out.
here's the deal.
I am what one would call a computer expert, but unfortunately I seem to miss something in this particular matter, unlike in other cases, which is very frustrating.
I personally own loads of MSI boards, most of which for amd64 systems, so I have experience with the drivers and utilities and I know how to get these systems up and running with cool 'n' quiet, except for this particular system. I know the cpu can't be to blame for this, since it supports cool 'n' quiet. I also have owned some other boards from other manufacturers (also amd64), so I'd like to think that I am aquainted with the technology.
msi k8n neo3 motherboard:
- bought this one three days ago
- came with bios version 1.05x (!!!)
- updated the bios to 1.5x (amongst others because of the sempron support)
- enabled the coolnquiet feature (OC options were enabled, settings to optimized, captain etc. etc. (what I usually do)).
- installed the drivers from the cd; the .inf driver was also installed (I saw a screen confirming that).
- put energy management to minimalized setting
- rebooted
and... nothing! well, except for the normal speed it should not be running on at 0% cpu load (1607 MHz).
tried installing the standard amd driver from the amd website; also nothing... I did come across this problem once before and then I had to conclude that the problem could be resolved by installing another amd a64 driver package that came from another manufacturer's motherboard cd (which should not be the problem of course, because this driver (just as the cpu) should be generic).
configuration:
- this board @ bios 1.5x
- amd 2800+ sempron (latest model) + boxed cooler
- 2x samsung ddr400 512mb (also tested it with corsair modules)
- dvd-drive
- couple of hard drives connected to pata/sata, no raid enabled.
- winxp-32 us. SP2
apart from this particular problem, the system works just fine.
who can help me out?

Thanks for your replies guys.
Quote from: syar2003 on 09-January-06, 23:22:40
Appearently only Sempron 3000+ and higher support CnQ .
Some lower models ildes down to as litte as 14W so CnQ don't make much sense in those low power models.
Also if the multiplier is locked downwards CnQ can't work (E.g can you run 7*200 , and make it stick).
Well, appearently this specific model does support it, I know this because it says so on the box... so why isn't it working then?
For the sake of the argument, what if this CPU did support CnQ, what am I doing wrong then?
What I also can't figure out is why these CPU's, according to your statement, should be doing something like 14W in idle mode, whereas these cpu's basically aren't that different from normal amd64 cpu's, except for the support of x86-AMD64 and having a larger cache ; these fully featured amd64 cpu's need something like 80-90W in stressed mode, running on their normal clock speeds and do something like 32W when in CnQ-mode. How is that possible? Because of newer generation production processes with less nm-technology or something like that?

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I hate to be the one to start another cool and quiet thread, but this is a problem I can't figure out. I have been running cool and quiet on my NEO Athlon 64 motherboard for over a year now, and it has worked perfectly, until today. I re-installed windows, because it was giving me problems, thanks to one too many virus and spyware attacks over the past year. Anyway, I installed windows, installed service pack 1, and all the assorted drivers for my hardware. I downloaded the latest AMD cpu driver and installed it. I have my power option set to minimal. I have everything just as it was, but the cool and quiet never kicks in. I am monitoring it with the Cool and Quiet panel, and it just sets at 2000 mhz. Cool and Quiet is turned on in the bios, and so is acpi. Windows xp reports having ACPI installed. I'm stumped. Is the fact I am using SP1 and have not upgraded to SP2 have anything to do with this? I notice the latest AMD cpu driver mentions it is for winxp SP2. I am avoiding SP2 because it has an issue with software that I use on my network. If it's because of SP2, is there a site I could download the older AMD cpu drivers from, to get this thing working? Thanks for any help you can offer.

Hello dude!
Well I remember to be in the same case, but when I reinstalled the WinXP, it comes with the SP2 integrated and I just active the Cool n Quiet installing the AMD Power Monitor lasted version and set se PM to Minimal, and it works perfectly, And about your problem with the WinXPSP2 Firewall you just have to unmark the LAN protection from the Firewall settings and thats all...
Enjoy the Life, Enjoy AMD...

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Cool'n'Quiet under Linux: Fan won't spin down

Hi,
first off my configuration:
MSI K8T Neo
Athlon 64 3000+ (Newcastle) with packaged AMD fan
Linux 2.6.8-gentoo-r3 (Gentoo)
The powernow-k8 module works for me and I am able to clock the cpu to 1000 MHz. The problem is that the fan won't slow down, or at least not as far as under Windows. Under Windows I usually have around 3000 or less rpm, under Linux it's *at least* 4000 (and I hear the difference). Are there any BIOS settings I need to change so that the fan slows down? Or is it even possible under Linux? The temperature is 32 C right now which is quite low, so the fan should slow down.
Thanks in advance.

guys, how is fan speed regulated? apply a certain voltage depending on the temperature of the CPU. how so? how does it know how hot your cpu can get / how hot it is supposed to get (because it differs alot as far as i know)
i think the ansewr to this question will help the fan speed problem.
Quote
Point 2: Idling at 1000Mhz with C'n'Q enabled in core center the fan speed oscillates between 2860 & 3180 while the CPU temp stays pretty constant at 45C, case temp is 31C.
the temperature sensor (in my case at least) gets rather large jumps when my proc goes from 990mhz to 2.2k. could it just be that the fan speed is changing accordingly? just the act of right clicking system to check properties moves it to 1.75ghz for a second.
edit: one more thing, try running prime95 with fan at 2k rpm and 3k rpm. Perhaps the temps dont change because you have enough airflow w/ both settings to take away the heat from 1000mhz, whereas if it was getting hotter the fan speed would affect temps? (like you said) BUT, in response to "So why on earth is core center trying to drive the fan at top revs when obviously minimum revs idoes just as good a job (and is much quieter!)???" the thing is, the computer doesent test a low rpm and realize that its doing the same job, its just programmed to run w/ certain variables =P ie, set variables. it doesent get to reason it out and feel it is obvious that the same rpms are cooling it to 45c =P
unless its programmed to do that. . .

[SOLVED] cool'n'quiet & modprobe newbie question

This is probably very newbie question, but I have no idea what to do.
I want to have cool'n'quiet working on my amd64. I turned it on in bios, and downloaded powernowd.
When I type:
> modprobe powernow-k8
> powernowd
it works. I added powernowd to demons in my /etc/rc.conf but after restarting computer it doesn't work - I have to type both commands above again.
How to make my system not forget loaded module after restart?
Last edited by senjin (2007-08-24 19:49:31)

Use either /etc/modprobe.conf or the MODULES= array in /etc/rc.conf. I would have thought powersaved provided a config file from where you could pick a module to load though... sure there isn't one in /etc/ ?
Personally i would opt for powersaved, since i think it's more full featured (it's more a _power_ than a _cpu_ manager), but then again you may not care for anything other than controlling the cpu stepping/speed.

Cool n' Quiet Dashboard demo

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http://www.amd.com/us-en/assets/content_type/utilities/PowerNowDashboard_setup.zip
Something from AMD.... Haven't try it yet as I found at on a Intel system at work...

Hmmm, just another util for giving me the info I knew already, in my opinion. It has a kind of cheap look too.
But of course thanks for the link Uspro666.

AMD Cool 'n Quiet (powernow-k8 module)

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