lkml.org 
[lkml]   [2009]   [Jan]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH 6/6] SATA PIIX: Blacklist system that spins off disks during ACPI power off
Date
On Monday 19 January 2009, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rjw@sisk.pl>
>
> Some notebooks from HP have the problem that their BIOSes attempt to
> spin down hard drives before entering ACPI system states S4 and S5.
> This leads to a yo-yo effect during system power-off shutdown and the
> last phase of hibernation when the disk is first spun down by the
> kernel and then almost immediately turned on and off by the BIOS.
> This, in turn, may result in shortening the disk's life times.
>
> To prevent this from happening we can blacklist the affected systems
> using DMI information.
>
> Blacklist HP 2510p that uses the ata_piix driver.
>
> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

As I have a system that is affected by this and as I have been a happy
user of this patch for 4 months or so, it may make sense to add my

Tested-by: Frans Pop <elendil@planet.nl>

Same goes indirectly for the rest of the series, except for patch 5.


\
 
 \ /
  Last update: 2009-01-19 23:11    [W:0.265 / U:0.736 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site