I find this error is cause by this source C  ----------savevm.c

http://tomoyo.sourceforge.jp/cgi-bin/lxr/source/savevm.c?v=qemu-kvm-0.12.3

I do not understand it. Anyone who develop it?


2011/10/26 vmnode guy <vmnodeguy@gmail.com>
Try this, i am not sure it will works..
 $ virsh -c qemu+ssh://destinationHost/system migrate --live --copy-storage-all vmubuntu

But it works for me for below option:-
$ virsh -c qemu+ssh://destinationHost/system migrate list

Regards,
Peter

On Wed, Oct 26, 2011 at 10:22 PM, Luengffy XUE <feiliangxue@gmail.com> wrote:

Hi, all
I migrate a vm from source host to the destination host. 
I am sure every part is ok for migration.

1   Create the  image in the destination and change the user and group.
2   Open TCP socket in the destination host. 

and I migrate in the source host command line.   
But I get the error
$ virsh migrate --live --copy-storage-all vmubuntu  qemu+ssh://destinationHost/system --verbose
"error: operation failed : failed to retrieve chardev info inqemu with 'info chardev'" 
In the destination I find in the vmubuntu.log  
The error is 
"Migration failed. Exit code tcp:0.0.0.0:49170(-98),exiting."

What can I do to solve it ? 
I do not understand how the error comes.
Anyone can help me ?
Thanks in advance.


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