linux 2.6.35.4 pvops failed to live migrate

linux 2.6.35.4 pvops failed to live migrate

[Vasiliy G Tolstov]

Hello. I'm try to live migrate bare linux 2.6.35.4 (pvops) from one host
to another. But migration stopped and in /var/log/xen/xend.log displays
message:


[2010-09-21 10:10:15 9569] ERROR (XendCheckpoint:188) Save failed on
domain testing (19) - resuming.
Traceback (most recent call last):
  File "/usr/lib64/python2.6/site-packages/xen/xend/XendCheckpoint.py",
line 150, in save
    forkHelper(cmd, fd, saveInputHandler, False)
  File "/usr/lib64/python2.6/site-packages/xen/xend/XendCheckpoint.py",
line 470, in forkHelper
    raise XendError("%s failed" % string.join(cmd))
XendError: /usr/lib64/xen/bin/xc_save 36 19 0 0 1 failed
[2010-09-21 10:10:18 9569] ERROR (xmlrpclib2:178) Internal error
handling xend.domain.migrate
Traceback (most recent call last):
  File "/usr/lib64/python2.6/site-packages/xen/util/xmlrpclib2.py", line
131, in _marshaled_dispatch
    response = self._dispatch(method, params)
  File "/usr/lib64/python2.6/SimpleXMLRPCServer.py", line 418, in
_dispatch
    return func(*params)
  File "/usr/lib64/python2.6/site-packages/xen/xend/XendDomain.py", line
1367, in domain_migrate
    self._domain_migrate(dominfo, dst, live, port, node)
  File "/usr/lib64/python2.6/site-packages/xen/xend/XendDomain.py", line
1459, in _domain_migrate
    dsterr = sock.recv(1024)
timeout: timed out

Why this happened? Do i need some patches to correct save/restore under
domU?


-- 
Vasiliy G Tolstov <v.tolstov@selfip.ru>
Selfip.Ru