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xen-devel
Re: [Xen-devel] HVM Migration issues : qemu_flip_buffer
Hi :)
At 11:43 +0530 on 03 Nov (1194090222), Shuveb Hussain wrote:
> 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?
That often means that qemu-dm has died. The earlier symptom might be a
clue that qemu-dm never started properly at all.
Tim.
--
Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>
Principal Software Engineer, Citrix Systems.
[Company #5334508: XenSource UK Ltd, reg'd c/o EC2Y 5EB, UK.]
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