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Re: [Xen-users] Live Migration Problems


  • To: "John Haxby" <john.haxby@xxxxxxxxxx>
  • From: Asim <linkasim@xxxxxxxxx>
  • Date: Thu, 7 Aug 2008 16:00:25 -0500
  • Cc: Daniel Asplund <danielsaori@xxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Thu, 07 Aug 2008 14:01:08 -0700
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Thanks guys for pointing out. The time was indeed skewed on both machines.

Cheers,
Asim

On 8/7/08, John Haxby <john.haxby@xxxxxxxxxx> wrote:
>
>> On Mon, Aug 4, 2008 at 7:49 PM, Asim <linkasim@xxxxxxxxx> wrote:
>>
>>> I have problems post migration. After migration of the domU from
>>> server1 to server2, the domU starts to behave abnormally. Even when I
>>> issue shutdown, it hangs.
>>>
>>> The system is going down for system halt NOW!
>>> INIT: Switching to runlevel: 0
>>> INIT: Sending processes the TERM signal
>>> [root@fedora_pristine driver]# Stopping atd:
>>>
>>>
>>> ping also hangs after sending one packet. Any ideas?
>>>
>>>
>
> Time no longer marches forward :-)
>
> http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1282
>
> Anything which does a sleep() never returns from the sleep so, for
> example, ping will send a packet and then never come back from the
> sleep(1) before it sends the next packet; at various stages during the
> shutdown process things sleep() waiting for something to die and the
> sleep() never returns.  You'll also find that date reports a date that
> never changes and may well be substantially different to the wall clock
> date.
>
> The good news is that if you migrate back to the original machine, time
> may well start again.  Also the bug is being actively worked on.
> jch
>

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