Re: BIOS overwritten during resume (was: Re: Asus L5D resume onbattery power)

From: Nigel Cunningham
Date: Fri Mar 04 2005 - 20:27:00 EST


Hi.

On Sat, 2005-03-05 at 10:41, Pavel Machek wrote:
> > non-RAM areas with PG_nosave, at least for sanity reasons (eg to be sure that
> > we do not break things by dumping stuff to where we should not write to).
>
> I'm not sure if it is not better to save & restore non-RAM areas, but
> it probably just does not matter.

IIRC, it does matter. I think there were situations where you got
something nasty (MCE/oops/freeze) if you tried reading memory that
doesn't exist. If you push me I'll put the effort into looking up
suspend2 archives to find the discussion :>

Regards,

Nigel
--
Nigel Cunningham
Software Engineer, Canberra, Australia
http://www.cyclades.com
Bus: +61 (2) 6291 9554; Hme: +61 (2) 6292 8028; Mob: +61 (417) 100 574

Maintainer of Suspend2 Kernel Patches http://softwaresuspend.berlios.de


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