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SubjectRe: [PATCH RFC] x86: check for and defend against BIOS memory corruption
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On Thu, 2008-08-28 at 20:28 -0700, Jeremy Fitzhardinge wrote:
> Yinghai Lu wrote:
> > On Thu, Aug 28, 2008 at 12:52 PM, Jeremy Fitzhardinge <jeremy@goop.org> wrote:
<snip>
> Yeah, OK, but I think it should default to ON for now. The problem is
> that we had two very different systems (Sony Vaio and Intel desktop)
> exhibit the same problem in two different ways. These systems worked

This is very interresting. I have a gigabyte X48 board, and everything
works perfect, however, in memtest86+ i get thousands of errors in the
range 0-0.9mb. I am certain my ram is fine, i've tried it in other
computers, and reversed. I've run dozens of stress tests within my
booted linux, no trouble, also the userspace memtester (allthough im
aware it wont actually ever get to grab offending addresses).

Any thoughts?

> fine until we slightly changed the way that pagetable memory was
> allocated. We just don't know how many other systems are doing this
> kind of subtle corruption of low memory.
>
> J
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