Re: [Xen-users] Xen 4.6 - VM Migration Issue

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Wed, May 25, 2016 at 10:48:35AM +0100, Vittorio Cozzolino wrote:
> I'm trying to migrate a VM from Server A to Server B. Both servers have as
> OS Ubuntu and Xen version 4.6 (same configuration, network is routed). If I
> migrate the VM with the following parameter:
> 
> *vif = []*
> 
> it works. If I enable the network on the VM:
> 
> *vif = [xxx.xxx.xxx.xxx]*
> 
> the migration fails and this is the log trace I get:
> 
> cozzolin@emu01:~$ sudo xl -vvvv migrate alpine 131.159.24.150
[...]
> libxl: debug: libxl_event.c:691:libxl__ev_xswatch_deregister: watch
> w=0x1526fa0: deregister unregistered
> libxl: debug: libxl_device.c:1034:device_hotplug: calling hotplug script:
> /etc/xen/scripts/vif-route online
> libxl: debug: libxl_aoutils.c:593:libxl__async_exec_start: forking to
> execute: /etc/xen/scripts/vif-route online
> libxl: error: libxl_exec.c:118:libxl_report_child_exitstatus:
> /etc/xen/scripts/vif-route online [28689] exited with error status 1
> libxl: debug: libxl_event.c:691:libxl__ev_xswatch_deregister: watch
> w=0x15270a0: deregister unregistered
> libxl: error: libxl_device.c:1084:device_hotplug_child_death_cb: script:
> /etc/xen/scripts/vif-route failed; error detected.

I think this is the culprit.

Can you check if there is anything interesting in
/var/log/xen/xen-hotplug.log?

Also make sure the host network configuration is the same on both end.

Wei.

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