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SubjectRe: marching through all physical memory in software
> Hi.
>
> On Wed, 2009-01-28 at 20:38 +0100, Pavel Machek wrote:
> > You can do the scrubbing today by echo reboot > /sys/power/disk; echo
> > disk > /sys/power/state :-)... or using uswsusp APIs.
>
> That won't work. The RAM retains it's contents across a reboot, and even
> for a little while after powering off.

Yes, and the original goal was to rewrite all the memory with same
contents so that parity errors don't accumulate. SO scrubbing here !=
trying to clear it.


--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


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