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RE: [Xen-devel] vmx status report against changeset 15521 - 2 new issues

To: "Steven Hand" <Steven.Hand@xxxxxxxxxxxx>
Subject: RE: [Xen-devel] vmx status report against changeset 15521 - 2 new issues
From: "Zhao, Yunfeng" <yunfeng.zhao@xxxxxxxxx>
Date: Fri, 13 Jul 2007 15:41:39 +0800
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Thread-topic: [Xen-devel] vmx status report against changeset 15521 - 2 new issues
>>>It'd also be good to know what the extent of the corruption is, e.g.
>>>if it affects just certain pages, etc.
>>[Yunfeng] Do you have any good way to get this kind of info?
>
>Just comparing the source and destination file page by page (or byte
>by byte) and working out the ranges of differences?
>
>(To make this even easier, start with a known, homogenous file (e.g.
>all 0xa5 or something) - on receipt check md5sum of each page, and
>note any differences in pages which fail the check).
[Yunfeng] I tried to diff two 400M files that before and after copied
into the guest. The difference is few. But I can not figure out where
the problem is.
I attached the diff. The first half data sect is before copy, and the
second is after copy.

>
>cheers,
>
>S.

Attachment: diff.txt
Description: diff.txt

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