Update Rollup for the Hyper-V Role – Important if you are running Nehalem 5500 CPU’s

So, I logged into my lab this morning to once again find that BOTH of my Hyper-V server’s had restarted because of a blue screen issue.

This is what I saw:

Problem signature:
  Problem Event Name: BlueScreen
  OS Version:      6.1.7600.
  Locale ID:           1033

Additional information about the problem:
  BCCode:             101
  BCP1:  000000000000000D
  BCP2:  0000000000000000
  BCP3:  FFFFF880022E2180
  BCP4:  000000000000000C
  OS Version:      6_1_7600
  Service Pack:    0_0
  Product:             274_3

These are HP Server’s running dual Intel Xeon 5520 Nehalem CPU’s.

Ah, what to do…

  • I download the x64 Debugger Tool and install that.  I need to see what the dump says about this issue…
  • After the install, click START and type “windbg” and run that application
  • The first thing you’ll want to do there is point the debugger to the symbols path by using FILE –> SYMBOL FILE PATH.  Use this URL: http://msdl.microsoft.com/download/symbols
  • After that, you get to open the minidump file.  Windows typically sticks them in the \windows\minidump folder unless you change it.
  • Browse to the location of the dump file you want to examine and open
  • It will take a minute for it to complete, be patient. 🙂

Now, when I first ran this on my server – it came up with this:


Make sure you click the link to ANALYZE –V to get detailed debugging information.  In my case, this came up:


So, now I know the issue.

The Fix:


If your servers are set for automatic updates – you’re probably OK.  In my lab, I had them set for manual updates and I hadn’t done anything since sometime in June.  There is a very recent rollup that addresses this specific issue.  I just patched my machine (after running WU, the rollup package was in the list) and hopefully we’re done with this.

Another option is to install the SP1 Beta – the rollup is in there as well.

Happy patching!!

Comments (1)
  1. Ken says:

    …update from me.  It's been several weeks now since I updated my Hyper-V hosts with this patch – no problems at all!!

Comments are closed.

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