Re: [PATCH 2/2] ACPI: Store NVS state even when entering suspend to RAM

Maxim Levitsky
2010-06-02T13:07:06Z

On Wed, 2010-06-02 at 12:47 +0100, Matthew Garrett wrote:
> On Wed, Jun 02, 2010 at 12:32:25AM -0300, Henrique de Moraes Holschuh wrote:
> > On Sun, 30 May 2010, Matthew Garrett wrote:
> > > On Sun, May 30, 2010 at 05:40:04PM +0300, Maxim Levitsky wrote:
> > > > Just one note, I am sure somebody will ask for s3_no_nvs option, just
> > > > like s4_no_nvs.
> > >
> > > I'd be surprised. Better to add the option when we think it's needed.
> >
> > Do _all_ Windows versions restore NVS over S3 suspend/resume?
>
> XP does regardless of whether any OSI strings are presented, and we have
> systems that break unless it's done, so I think it's a safe bet.
This laptop was shipped with Vista, and since suspend works I guess its
highly likely that vista does restore NVS this way too.

This only leaves W7. I doubt they would break older systems by fixing a
bug....

Best regards,
Maxim Levitsky