Xen users - Feb 2007 - xm migrate --live never returns

I have two OpenSuse 10.2 boxen running on Del 1955 blades (Intel
Woodcrest 5160)

and VT enabled in the BIOS. OpenSuse 10.2 uses xen-pae-3.0.3-11775-20.

 

Each box is running a dom0 (with the appropriate configuration for Xend
to enable

migration).

 

I successfully execute:

 

% xm migrate -live <domid> <dest-ip>

 

The domU live-migrates to the other dom0 and arrives in a healthy state.

When I attempt the operation in reverse, the command hangs and never

returns. 

 

On the sending dom0, the machine shows a name of:

 

migrating-test4

 

On the receiving dom0, the machine shows a state of -p----

 

What''s weird about this situation is that just yesterday I ran a ping
pong test on the

two systems and watched them migrate back and forth every 19.1 seconds
for like

20 minutes.

 

I interrupted the programs, twiddled a bit, and managed to crash xend on
one of the

hosts. xend wouldn''t cleanup properly with "service xend
restart", so I
rebooted the

host entirely.

 

No configuration changes have been made since the period that it worked.

 

This post from the archive in 2005 seems to be similar to what I am
experiencing:

 

http://www.google.com/search?hl=en&safe=off&sa=X&oi=spell&resnum=0&ct=re
sult&cd=1&q=xen+migration+%22never+unpaused%22&spell=1

 



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