[svlug] Weird fan sounds

Bill Ward bill at wards.net
Sat Aug 20 15:44:10 PDT 2011


I don't know if it's even possible to replace the fan, this is just a cheapo
E-Machines PC not one I assembled from parts...

On Sat, Aug 20, 2011 at 3:29 PM, John Sokol <john.sokol at gmail.com> wrote:

> I have to go with Jesse on this and think you should make sure it's not a
> hardware issue before trying to play with the OS and software.
>
> I can't even count how many times I've seen fans go weird, running slow,
> squeaking, buzzing, whirring, speeding up and slowing down. It's always been
> the hardware.
>
> Usually if I deliberately run something cpu intensive for a minute or so,
> then I will hear the fan kick up. You could do such a test,
>  There are a number of Windows apps that will show cpu temperatures and
> allow you to generate loads on the cpu.
>
> In your case you can just generate a load and see how the fan reacts,. I
> know there's a linux module to read fan speeds temps etc. too. forget the
> name now.
>
> John
>
>
> On Sat, Aug 20, 2011 at 2:57 PM, Bill Ward <bill at wards.net> wrote:
>
>>
>>
>> On Sat, Aug 20, 2011 at 2:38 PM, Don Marti <dmarti at zgp.org> wrote:
>>
>>> begin Bill Ward quotation of Sat, Aug 20, 2011 at 01:42:30PM -0700:
>>>
>>> >  I have an Ubuntu Linux PC in my living room that seems to be running
>>> just
>>> > fine, except for one thing - strange fan noises. Every couple of
>>> seconds it
>>> > does a little "vroom" noise, then stops immediately, repeating
>>> regularly.
>>> > Nothing in the log files indicates anything is awry.
>>>
>>> Just a guess, but couple of seconds -- something like
>>> five seconds?  Or whatever is in
>>>  /proc/sys/vm/dirty_writeback_centisecs
>>> ?
>>>
>>
>> My sysadmin-fu halted when I switched to programming for a day job ... I
>> could administer a SunOS 4.x machine just fine, but /proc is a newer
>> innovation that I've never really grokked.
>>
>> I haven't timed it, but I will check that "file" and time it.
>>
>>
>>>
>>> Are you running with any encrypted partitions?
>>> That can make writing out the page cache more
>>> cpu-intensive.
>>>
>>
>> Nope.
>>
>> --
>> Check out my LEGO blog at http://www.brickpile.com/
>> View my photos at http://flickr.com/photos/billward/
>> Follow me at http://twitter.com/williamward
>>
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>>
>


-- 
Check out my LEGO blog at http://www.brickpile.com/
View my photos at http://flickr.com/photos/billward/
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