Messages in this thread | | | Date | Fri, 30 Jan 2009 10:13:04 +0100 | From | Pavel Machek <> | Subject | Re: marching through all physical memory in software |
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> 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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