XEN migration

[asdfg123]

Hello,

I have two server, the first is primary and the second one is backup.
All DomU is 32bit.
Migrate between 64bit and 64bit servers work, also between 32bit and 32bit. Configuration is thus OK.

When I migrate from 64bit to 32bit, i have problem, this is error

xm migrate --live test 192.168.1.2
Error: /usr/lib/xen-3.2-1/bin/xc_save 24 66 0 0 1 failed
Usage: xm migrate <Domain> <Host>

http://ubuntuforums.org/showthread.php?t=1298022

Migrate a domain to another machine.

Options:

-h, --help           Print this help.
-l, --live           Use live migration.
-p=portnum, --port=portnum
                     Use specified port for migration.
-r=MBIT, --resource=MBIT
                     Set level of resource usage for migration.

Error: /usr/lib/xen-3.2-1/bin/xc_save 24 66 0 0 1 failed

http://ubuntuforums.org/showthread.php?t=1298022

[falko]

Any errors in your logs?

[asdfg123]

[2009-11-15 13:45:52 26334] DEBUG (balloon:132) Balloon: 1612 KiB free; need 1024; done.
[2009-11-15 13:45:52 26334] DEBUG (XendCheckpoint:91) [xc_save]: /usr/lib/xen-3.2-1/bin/xc_save 4 16 0 0 1
[2009-11-15 13:45:52 26334] INFO (XendCheckpoint:373) Had 0 unexplained entries in p2m table
[2009-11-15 13:45:53 26334] INFO (XendCheckpoint:373) Saving memory pages: iter 1   0%ERROR Internal error: Error when writing to state file (5) (errno 104)
[2009-11-15 13:45:53 26334] INFO (XendCheckpoint:373) Save exit rc=1
[2009-11-15 13:45:53 26334] ERROR (XendCheckpoint:144) Save failed on domain test (16).
Traceback (most recent call last):
  File "/usr/lib/xen-3.2-1/lib/python/xen/xend/XendCheckpoint.py", line 112, in save
    forkHelper(cmd, fd, saveInputHandler, False)
  File "/usr/lib/xen-3.2-1/lib/python/xen/xend/XendCheckpoint.py", line 361, in forkHelper
    raise XendError("%s failed" % string.join(cmd))
XendError: /usr/lib/xen-3.2-1/bin/xc_save 4 16 0 0 1 failed

This is migration from 32bit Dom0 to 64bit Dom0, the installed system is 32bit debian lenny.
xm_save works correct.