[Xen-users] Error when migrating (live) hvm guest with xen 3.4.1

[Miguel Sanchez <ntadmin@xxxxxxxxx>]

Hi. Since I updated Xen from version 3.3.1 to 3.4.1 I can't live migrate 
the hvm guests. The command "xm migrate --live" finishes with the 
following error:
     Error: (107, 'Transport endpoint is not connected')

In the xend.log file in target host appears:

[2009-10-30 13:50:21 5333] INFO (image:745) Need to create platform 
device.[domid:5]
[2009-10-30 13:50:21 5333] DEBUG (XendCheckpoint:261) 
restore:shadow=0xe, _static_max=0x60000000, _static_min=0x0,
[2009-10-30 13:50:21 5333] DEBUG (balloon:166) Balloon: 1593904 KiB 
free; need 1591296; done.
[2009-10-30 13:50:21 5333] DEBUG (XendCheckpoint:278) [xc_restore]: 
/usr/lib64/xen/bin/xc_restore 47 5 3 4 1 1 1
[2009-10-30 13:50:21 5333] INFO (XendCheckpoint:417) xc_domain_restore 
start: p2m_size = 100000
[2009-10-30 13:50:21 5333] INFO (XendCheckpoint:417) Reloading memory 
pages:   0%
[2009-10-30 13:50:36 5333] INFO (XendCheckpoint:417) Failed allocation 
for dom 5: 94 extents of order 0
[2009-10-30 13:50:36 5333] INFO (XendCheckpoint:417) ERROR Internal 
error: Failed to allocate memory for batch.!
[2009-10-30 13:50:36 5333] INFO (XendCheckpoint:417)
[2009-10-30 13:50:36 5333] INFO (XendCheckpoint:417) Restore exit with rc=1
[2009-10-30 13:50:36 5333] DEBUG (XendDomainInfo:2724) 
XendDomainInfo.destroy: domid=5
[2009-10-30 13:50:36 5333] ERROR (XendDomainInfo:2738) 
XendDomainInfo.destroy: domain destruction failed.
Traceback (most recent call last):
 File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", 
line 2731, in destroy
   xc.domain_pause(self.domid)
Error: (3, 'No such process')

The live migration with pv guests works without problems.
My installation is: CentOS 5.4 and Xen updated to 3.4.1 via gitco repo. 
The hvm guest have installed GPLPV drivers, but I have tried boot with 
option /NOGPLPV and produce the same result.
It looks like a memory problem. Why?
Anybody have this configuration and can migrate hvm guests?


Regards
--
Miguel


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