linux-kernel - Re: Loud "pop" coming from hard drive on reboot

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Message-Id: <200704132142.29582.bzolnier@gmail.com>
Date:	Fri, 13 Apr 2007 21:42:29 +0200
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	Chuck Ebbert <cebbert@...hat.com>
Cc:	Jan Engelhardt <jengelh@...ux01.gwdg.de>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-ide@...r.kernel.org
Subject: Re: Loud "pop" coming from hard drive on reboot

On Thursday 12 April 2007, Chuck Ebbert wrote:
> Jan Engelhardt wrote:
> > On Apr 11 2007 17:35, Chuck Ebbert wrote:
> >> Jan Engelhardt wrote:
> >>> On Apr 11 2007 17:07, Chuck Ebbert wrote:
> >>>> When I reboot my notebook, it powers off and powers back on.
> >>>> On poweroff a loud snapping noise seems to be coming from the
> >>>> hard drive. Today I noticed there is no "shutdown: hda" on
> >>>> the console when I reboot. Whne I do a normal poweroff the
> >>>> message is displayed and there is no noise. Should the IDE
> >>>> code be changed so it always shuts down the drive?
> >>> What sort of notebook? What sort of harddisk?
> >> Compaq Presario V2000 series, with a new Seagate ST9120821A
> >> 120GB 5400RPM drive.
> > 
> > I specifically hoped you might have a TOSHIBA MK2003GAH,
> > which does a hard unload when left idle for too long.
> > 
> > Only on reboots huh?
> > 
> > What happens if you reboot another OS, freebsd f.ex.? (You can try that off
> > CD1)
> 
> Now we're getting somewhere. There is some other OS on here because
> it's required for doing BIOS updates. I booted it and shut down.
> The power cycle count increased but the power off retract count did not.
> 
> The counts are:
> 
> power cycle ... 111
> power off retract ... 92
> 
> The difference is now 19; it was 18 before.

Is the noise present if you reboot the other OS?
Does it result in Power-Off_Retract count increase?

Bart
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