Re: Disk spin down issue on shut down/suspend to disk

Rafael J. Wysocki wrote:
> Well, on my box (nx6325) with the appended (experimental) patch applied
> on top of 2.6.23-rc1 with the patchset from
> http://www.sisk.pl/kernel/hibernation_and_suspend/2.6.23-rc2/patches/ , the
> double spin down doesn't occur during hibernation and the system is shut down
> notceably faster.

Can you please explain what the patch does?  So, I take it that entering
S4 also spins down the disk.  Does the patch remove the ACPI spin down
or libata one?

-- 
tejun
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Follow-Ups:
- Re: Disk spin down issue on shut down/suspend to disk
  - From: "Rafael J. Wysocki" <rjw@sisk.pl>

References:
- Re: Disk spin down issue on shut down/suspend to disk
  - From: Michael Sedkowski <sedmich@gmail.com>
- Re: Disk spin down issue on shut down/suspend to disk
  - From: "Maciej Rutecki" <maciej.rutecki@gmail.com>
- Re: Disk spin down issue on shut down/suspend to disk
  - From: "Rafael J. Wysocki" <rjw@sisk.pl>

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