Public bug reported:
I have install the linux-image-2.6.17-10-generic package on my system
and I encounter this problem while shuting down my Toshiba Satellite
M100 laptop: after clicking the shutdown button in the Gnome logout
dialog, the system goes shutdown, and while the laptop being powered
off, I heard a sound like in the case of disk failure, which is not
heard with linux-image-2.6.15-27-686 kernel (the last dapper kernel,
berived as 2.6.15), that is, the disk is not power off before the
laptop be completely power off, so the disk is turned off as cutting
power supply suddenly, this is very serious, this will cause physical
damage to the hard drive, and I found that the message available with
2.6.15 kernel :
ACPI: bus type scsi registered
is not found with 2.6.17 kernel,
the disk type in 2.6.15 is PATA:
ata1: PATA max UDMA/133 cmd 0x1F0 ctl 0x3F6 bmdma 0x18B0 irq 14
but the disk type in 2.6.17 is SATA
ata1: SATA max UDMA/133 cmd 0x1F0 ctl 0x3F6 bmdma 0x18B0 irq 14
it seems that the power management of the SATA disks (especially the laptop
SATA disks) of 2.6.17 kernel does not work.
Toshiba Satellite M100 laptop uses ata_piix module.
any suggestion is appreciated.
step to reproduce:
With any laptop with SATA hard drive controled by Intel ICH7-M chipset, the
problem will occured while system power off.
** Affects: linux-source-2.6.17 (Ubuntu)
Importance: Undecided
Status: Unconfirmed
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The SATA disk doesn't power off while shutdown
https://launchpad.net/bugs/63937
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