From: "Ray Bryant" <raybry@mpdtxmail.amd.com>
To: "Christoph Lameter" <clameter@engr.sgi.com>
Subject: Re: [discuss] mmap, mbind and write to mmap'ed memory crashes
 2.6.16-rc1[2] on 2 node X86_64
Date: Tue, 7 Feb 2006 17:27:17 -0600
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cc: "Bharata B Rao" <bharata@in.ibm.com>, "Andi Kleen" <ak@suse.de>,
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References: <20060205163618.GB21972@in.ibm.com>
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 <Pine.LNX.4.62.0602070848450.24487@schroedinger.engr.sgi.com>
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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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