I've verified this bug in Linus' tree 3.1.0-rc4. It got fixed, so I closed the bug.
The commit I tried is below.
commit c6a389f123b9f68d605bb7e0f9b32ec1e3e14132
Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Sun Aug 28 21:16:01 2011 -0700
Best Regards,
Yongjie Ren (Jay)
> -----Original Message-----
> From: Rafael J. Wysocki [mailto:rjw@xxxxxxx]
> Sent: Monday, August 29, 2011 3:01 AM
> To: Linux Kernel Mailing List
> Cc: Kernel Testers List; Maciej Rutecki; Florian Mickler; Avi Kivity; Ren, Yongjie;
> Marcelo Tosatti; Stefan Hajnoczi
> Subject: [Bug #39412] Win Vista and Win2K8 guests' network breaks down
>
> This message has been generated automatically as a part of a report
> of regressions introduced between 2.6.39 and 3.0.
>
> The following bug entry is on the current list of known regressions
> introduced between 2.6.39 and 3.0. Please verify if it still should
> be listed and let the tracking team know (either way).
>
>
> Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=39412
> Subject : Win Vista and Win2K8 guests' network breaks down
> Submitter : Jay Ren <yongjie.ren@xxxxxxxxx>
> Date : 2011-07-15 15:31 (45 days old)
>
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