From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: "Maciej Rutecki" <maciej.rutecki@gmail.com>
Subject: Re: Disk spin down issue on shut down/suspend to disk
Date: Wed, 8 Aug 2007 00:30:51 +0200
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Cc: "Michael Sedkowski" <sedmich@gmail.com>, trenn@suse.de,
       "Tejun Heo" <htejun@gmail.com>, "Robert Hancock" <hancockr@shaw.ca>,
       "Henrique de Moraes Holschuh" <hmh@hmh.eng.br>,
       linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org,
       linux-acpi@vger.kernel.org
References: <fa.bsWpbo79BZgHoaIGhEMfTEBxs54@ifi.uio.no> <200708072241.24091.rjw@sisk.pl> <8db1092f0708071428lde63dc7o2b422ed81797a16e@mail.gmail.com>
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On Tuesday, 7 August 2007 23:28, Maciej Rutecki wrote:
> > > Well, on my box (nx6325) with the appended (experimental) patch applied
> > > on top of 2.6.23-rc1 with the patchset from
> >
> > s/2.6.23-rc1/2.6.23-rc2/
> >
> 
> HP nx 6310, _old_ shutdown 2.6.23-rc2+above patches:
> 
> 1. Before:
> rutek:/home/maciek# /usr/sbin/smartctl --all -d ata /dev/sda | grep
> Power-Off_Retract_Count
> 192 Power-Off_Retract_Count 0x0032   100   100   000    Old_age
> Always       -       61
> 
> 2. Try suspend to disk, double spin down doesn't exist
> 
> 3. Normal shutdown, double spin down exists, BUT NOTE: I have still
> old shutdown utility from Debian package.

I should have said explicitly that my patch only affects hibernation (it
doesn't touch the normal shutdown code path).

Greetings,
Rafael
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