[svlug] Weird fan sounds

Bill Ward bill at wards.net
Sun Aug 21 02:52:32 PDT 2011


Well sometimes these cheap PCs use rivets instead of screws... but I'll take
a look

On Sat, Aug 20, 2011 at 4:12 PM, Jesse Monroy <jesse650 at gmail.com> wrote:

> You will certainly be able to tell when you open it. There are no
> demons inside. This is the word of BSD guy. LOL.
>
> Jesse
>
> On 8/20/11, Bill Ward <bill at wards.net> wrote:
> > 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
> >>>
> >>> _______________________________________________
> >>> svlug mailing list
> >>> svlug at lists.svlug.org
> >>> http://lists.svlug.org/lists/listinfo/svlug
> >>>
> >>>
> >>
> >
> >
> > --
> > 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
> >
>



-- 
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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