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[Xen-devel] HVM Migration issues : qemu_flip_buffer

  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: "Shuveb Hussain" <shuveb@xxxxxxxxx>
  • Date: Sat, 3 Nov 2007 11:43:42 +0530
  • Delivery-date: Fri, 02 Nov 2007 23:14:23 -0700
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>


I am using an iSCSI SAN and running Xen 3.1.0 (Ubuntu Gutsy, AMD64). I
am also using LVM+CMAN+CLVMD, so the device paths are all the same on
different nodes. When I migrate a HVM domain from Node-1 to Node-2,
The domain migrates, but does not run. The "xm list" command on Node-2
does not list any state, its all dashes. "------".

When I try to migrate the domain back to Node-1, where it belonged
originally, I get this error in the logs:

xc_save: timed out waiting for qemu to switch buffers

I understand this is from the function qemu_flip_buffer() in
xc_save.c. Anyone has a clue as to what might be wrong here?

Shuveb Hussain.
Money has nothing to do with Happiness,
But, Poverty has a lot to do with Sorrow.
Company: www.binarykarma.com
Blog: www.binarykarma.org

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