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Old 08-01-2003, 01:41 PM   #1
amp2000
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Angry Noisy computer when running Linux


Hi all
I'm having a big prob where my new pc is silent in xp but loud as f**k in linux.

I got myself a new computer last week, the specs are:
Compaq Presario, P4, 3.06 GHZ processor, 80GB Ultra DMA hd, DVD & a seperate DVD+RW.
It came bundled with, guess what, XP

Anyway, when I boot it up it makes a load noise (ie fans or the HDD is spinning top speed) & then when the XP splash screen comes up the noise goes & the computer is almost silent.
I now have the machine as a dual boot with xp & MDK 9.1 but the noise dosent stop when I boot up Linux, I just hear a constant loud 'whirring' sound & it's that loud it's unbearable, I'm even posting this from xp

I also pulled the case off the computer to see if I could figure out where it's coming from but I cant

Any ideas or suggestions as to what I could try anyone? I'm desperate to fix this as I cant stand using xp, I work from home & use linux 95% of the time.


All suggestions or replies welcome

Thanks

~~~~~~~~~~~~~~~~~~~~
EDIT: Mods, can you move this to Linux General please.

Last edited by amp2000; 08-01-2003 at 02:28 PM.
 
Old 08-01-2003, 04:06 PM   #2
titanium_geek
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clean the fans... my Power supplie is as loud as.. in both. blowing the dust away helped.. be careful.. you don't want shorts (electric shorts from the dust.. not the little trousers..)

titanium_geek
 
Old 08-01-2003, 04:07 PM   #3
mcleodnine
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moved to Linux - General as per request by thread starter

You you have any CD/DVD discs in any of your drives?

Other than that the only thing I can think of is some agressive power management scheme that XP might be using. It does seem unlikely as the noise stops after the splash screen. Very odd indeed.
 
Old 08-01-2003, 04:12 PM   #4
Proud
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Might be a kernel deamon which keeps accessing the drive every few seconds (there is at least one, i can remember the name).
 
Old 08-01-2003, 04:20 PM   #5
mcleodnine
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Yeah Proud is prolly on to something there. I think it's Mandy that has the kernel patch to automount/autoplay removeable media. Funny, but that's one thing I really hate in MS Windows, waiting for the CD/DVD devices to spin up when I want to 'explore' the local filesystem.
 
Old 08-01-2003, 04:28 PM   #6
Proud
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I didnt meant the auto/supermount, I meant kflushd or something similar which uses my linux drive every few seconds, constantly. Someone mentioned the correct name once when asking about reducing running processes. You can probably track it down with top.
 
Old 08-01-2003, 05:25 PM   #7
amp2000
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titanium_geek, nope, it's brand new, 1 week old.

mcleodnine, thanks for moving the thread, CD/DVD drives, hmmm, I dunno, that's what it sounds like but it still makes the noise when both drives are ejected.
I'll check out the automount/autoplay thing but I dont think it's that.

Proud, it's accessing something more than it should be, I'm just not sure what, I think it's a bit too loud for my HDD though. When Norton scans my disk for drives in xp it dosent make even a 1/4 of the noise as when linux running.
I'm going to try top & see what comes up, if you can think of the name of the daemon let me know.


Just to clarify, the noise is constant from the machine starting to booting up in linux, even after hours of Linux doing nothing it's still loud as f**k.
The noise only stops 'exactly' when the xp splash screen comes on.

Thanks for the replies so far, keep em coming
 
Old 08-01-2003, 06:53 PM   #8
amp2000
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It's the fan on the P4

Well I know what's causing it now, I just don't know how to fix it

I removed the cover & start removing power cables from the drives & fans to narrow it down & I now know the noise is coming from the fan cooling the Pentium 4, 3.06GHZ processor.

Now I'm really lost as to how to fix this one, where do I even start???
Anyone used the same processor as me with the same prob??

Keep the ideas & suggestions coming Thanks again!
 
Old 08-02-2003, 12:12 PM   #9
Oxagast
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i think there was something i read once (never used) about lm_sensors and being able to control the fan speeds on processor fans of that chip (and some others, im sure there are other models soupported), you could control the speed of that fan varrying with the temp of your processor, you would still want to to speed up when the processor gets hot obviously, but other wise hwen you were not using it at 100% it would calm down. also your hard drive if still spun up the whole time (default?) could still be causing some noise, read the man page for hdparm, and you should be able to spin it down and make it go to sleep when your not using it, you could make like a script to slow it all down when your not using it, etc
 
Old 09-06-2003, 11:53 AM   #10
apffal
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Noise

I have the same problem with my new HP Pavilion :
no noise in XP, much noise in RedHat Linux ...
Any ideas ?
 
Old 09-08-2003, 05:36 AM   #11
amp2000
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Hi apffal
I looked into lm_sensors but it seems they just monitor speeds, they dont let you adjust the fan speeds.
Anyone else any ideas how we can adjust the fan speed on the processor??
 
Old 09-08-2003, 06:04 AM   #12
apffal
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Hello amp2000
I' ve tried a Compaq patch (cpqhealth), but it only applies to Redhat 7.3, and I' m using Redhat 8.0.
What about an aplication named Varyfan ?
 
Old 09-08-2003, 07:27 AM   #13
amp2000
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Thanks apffal, I never even heard of varyfan.
I've just installed it & it works my machine is alot quieter now, I'll have to mess around with the config file to figure out whats acceptable fan speeds & temperatures.
You'll need lm_sensors installed to make it work.
Let me know if youve any problems installing it.
 
Old 09-08-2003, 07:39 AM   #14
apffal
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I' ve not yet tried to install Varyfan.
Can you tell me what steps, exactly, have you followed in your installation ?

Best regards, from Lisbon - Portugal.
 
Old 09-08-2003, 07:55 AM   #15
amp2000
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Go into your redhat package manager, I dont use redhat so I cant tell you where or what your package manager is called. When you do that install lm_sensors.
When thats done get the varyfan tarball, do:
tar xzvf varyfan.0.0.3.tar.gz
make
make install
mv /etc/varyfanconf.suggested /etc/varyfan.conf
You then need to edit /etc/varyfan.conf & change the xxxx to what ever it is in your machine,
PWMcpu = /proc/sys/dev/sensors/xxxxxxxxxxxxxxxxx/pwm1
PWMcase = /proc/sys/dev/sensors/xxxxxxxxxxxxxxxxx/pwm2
TempCpu = /proc/sys/dev/sensors/xxxxxxxxxxxxxxxxx/temp2
TempCase = /proc/sys/dev/sensors/xxxxxxxxxxxxxxxxx/temp1

do an
ls -l /proc/sys/dev/sensors/
and you'll see what you need to replcae them xxxx's with
You also need to remove the comments from the appropriate lines in /etc/varyfan.conf

Let me know how you get on & if you get errors tell me when & what the error's are.

Good Luck
 
  


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