Re: [Xen-devel] Windows install problems on Xeon E5-2403 v2

["Tian, Kevin" <kevin.tian@xxxxxxxxx>]

> From: Jan Beulich [mailto:JBeulich@xxxxxxxx]
> Sent: Thursday, June 11, 2015 2:58 PM
> 
> All,
> 
> we're seeing recurring but intermittent failures in osstest on just the
> two hosts using these particular CPU types. The closest similar ones,
> using Xeon E5-2407 v2, do not exhibit this same behavior. We do
> note that the latter run at microcode level 0x427, while the problem
> ones are only at 0x416, and IanC is in the process of trying to
> integrate microcode updates with osstest. However, since there
> doesn't seem to be any matching erratum documented of these CPU
> models, we aren't really assuming that a microcode update (0x428
> appears to be the newest available) would help here, and hence
> we'd like to ask for your assistance in possible further diagnostic
> steps, or suggestions towards a resolution.
> 
> For more context, please see also the mail thread starting at
> http://lists.xenproject.org/archives/html/xen-devel/2015-06/msg00522.html.
> 
> Thanks, Jan

That's a pretty long thread. Could you summarize what's the
error phenomenon? Is the only clue related to microcode so far?

I'll ping our internal development team whether we can find a
same model to reproduce. Could someone post the model number 
here?

Thanks
Kevin


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