From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Lieven <pl@dlhnet.de>
Subject: qemu-kvm and XenServer missing MSRs
Date: Sun, 16 Sep 2012 12:37:43 +0200
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Hi,

i have seen some recent threads about running Xen as guest. For me it is 
still not working, but
I have read that Avi is working on some fixes. I have seen in the logs 
that the following MSRs
are missing. Maybe this is related:

  cpu0 unhandled rdmsr: 0xce
  cpu0 disabled perfctr wrmsr: 0xc1 data 0x0
  cpu0 disabled perfctr wrmsr: 0xc2 data 0x0
  cpu0 disabled perfctr wrmsr: 0x186 data 0x13003c
  cpu0 disabled perfctr wrmsr: 0xc1 data 0xfffffffffea6c644
  cpu0 disabled perfctr wrmsr: 0x186 data 0x53003c

I had a different thread started which was dealing with memtest not 
working on Nehalem CPUs,
at least 0xce was also involved there.

Peter