Re: [discuss] mmap, mbind and write to mmap'ed memory crashes2.6.16-rc1[2] on 2 node X86_64

From: Ray Bryant
Date: Tue Feb 07 2006 - 18:25:43 EST


On Tuesday 07 February 2006 10:49, Christoph Lameter wrote:
> On Tue, 7 Feb 2006, Bharata B Rao wrote:
> > I can still crash my x86_64 box with Christoph's program.
>
> So it looks like the problem is arch specific. Test program runs fine on
> ia64.
>
> > page = 0xffffffffffffffd8
> > &page->lru = 0000000000000000
>
> Yup lru field overwritten as I thought.
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For what it is worth:

Christoph's test program runs fine on my 32 GB, 4 socket, 8 core Opteron 64
box with 2.6.16-rc1.
--
Ray Bryant
AMD Performance Labs Austin, Tx
512-602-0038 (o) 512-507-7807 (c)

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