Messages in this thread | | | Date | Mon, 13 Apr 2009 19:34:39 +0100 | Subject | Re: [tip:x86/setup] x86, setup: "glove box" BIOS calls -- infrastructure | From | Alan Jenkins <> |
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On 4/13/09, H. Peter Anvin <hpa@zytor.com> wrote: > Ingo Molnar wrote: >>> Yes, we could do memory checks, and ... hey, we already do that: >>> >>> bb577f9: x86: add periodic corruption check >>> 5394f80: x86: check for and defend against BIOS memory corruption >>> >>> ... and i seem to be the one who implemented it! ;-) >> >> s/implemented/merged+fixed :-) > > Actually, what would probably be more productive than trying to track > corruption would be to drop the low 1 MB of memory before suspend to RAM > - make sure that it is as close to completely unused as possible. > > All *known* cases of low memory corruption are either boot time or due > to s2ram.
IIRC, the first person to report the issue found that it triggered when hotplugging a HDMI cable.
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