Messages in this thread | | | Date | Tue, 20 Jan 2009 08:32:33 +0100 | From | "Maciej Rutecki" <> | Subject | Re: [PATCH 5/6] SATA Sil: Blacklist system that spins off disks during ACPI power off |
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2009/1/19 Rafael J. Wysocki <rjw@sisk.pl>: > 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 nx6325 that uses the sata_sil driver. > > Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Tested-by: Maciej Rutecki <maciej.rutecki@gmail.com>
Tested on HP Compaq nx6310
Thanks for patches -- Maciej Rutecki http://www.maciek.unixy.pl
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