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[Xen-users] Win2k8 X64 R2 HVM - Timer_mode and HPET?


  • To: <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "Robert Dunkley" <Robert@xxxxxxxxx>
  • Date: Fri, 21 May 2010 12:11:12 +0100
  • Delivery-date: Fri, 21 May 2010 04:15:20 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: Acr41lJTNmsZ5RkWRH6BHbkT5MarEQ==
  • Thread-topic: Win2k8 X64 R2 HVM - Timer_mode and HPET?

I currently have HPET=1 and timer_mode is not set. The system has 2
VCPUs each pinned to a physical core, both pinned CPUs are on the same
NUMA node. The dmesg log on the Dom0 has long since overflowed but I
seem to remember the Dom0 detects an HPET clock too.

I'm getting some Exchange errors to do with performance of the DB giving
ridiculous times, I'm also getting domain time synch errors. Seems like
the problem is a timing issue but what are the correct setting for a
Windows 2008 R2 X64 HVM?



Thanks,

Rob

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