Re: Software suspend support in Fedora.

Alan Cox
2005-08-15T12:29:27Z

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On Mon, Aug 15, 2005 at 02:20:00PM +0200, Pavel Machek wrote:
> Suspend should work okay on PATA [what areas do you think it is
> incomplete in?]. Recently, it was made to work on SATA, too

ACPI requires that the ACPI taskfiles are sent to the drivers. That isn't
done. We then don't restore all the drive state correctly so parts of your
disk can just "vanish".

> [experimental, I'd say]. It did not eat data recently due to SATA/PATA
> problems. It is broken on most SCSI drivers (well, probably all of

It does for various people I know. In some cases we even know why. SATA has
the same basic problems as PATA although the infrastructure to handle it looks
ok with the scsi/sata pm patch that appeared.