Re: [Xen-users] Live Migration Problems

[John Haxby <john.haxby@xxxxxxxxxx>]

> 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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