[Xen-devel] Migrate/Save of 32-bit domU Broken on Xen 3.2.0 64-bit dom0

["Nicolas" <nfertig@xxxxxxxxxxxxxxx>]

Hello,

I try to save/migrate 32bit DomU under 64bit Dom0 but the DomU is 
unreponding after the command "xm save web-test  /tmp/web-test"
The 32bit DomU kernel was compiled on the 64bit Dom0 with XEN_TARGET_ARCH = 
x86_32 and XEN_TARGET_X86_PAE = y and it work without problem.
Is this feature working on Xen-3.2.0?

Any help would be appreciated!


Output of  "xm save web-test  /tmp/web-test"
-----------------------------------------------
[root@xen05 xen]#  xm save -c web-test  /tmp/web-test
Error: /usr/lib64/xen/bin/xc_save 22 20 0 0 0 failed
-----------------------------------------------

Logfile "/var/log/xen/xend.log":
-----------------------------------------------
[2008-03-08 11:07:51 18296] DEBUG (XendCheckpoint:89) [xc_save]: 
/usr/lib64/xen/bin/xc_save 22 20 0 0 0
[2008-03-08 11:07:51 18296] DEBUG (XendCheckpoint:336) suspend
[2008-03-08 11:07:51 18296] DEBUG (XendCheckpoint:92) In saveInputHandler 
suspend
[2008-03-08 11:07:51 18296] DEBUG (XendCheckpoint:94) Suspending 20 ...
[2008-03-08 11:07:51 18296] DEBUG (XendDomainInfo:467) 
XendDomainInfo.shutdown(suspend)
[2008-03-08 11:07:51 18296] DEBUG (XendDomainInfo:1085) 
XendDomainInfo.handleShutdownWatch
[2008-03-08 11:07:51 18296] DEBUG (XendDomainInfo:1085) 
XendDomainInfo.handleShutdownWatch
[2008-03-08 11:07:51 18296] INFO (XendDomainInfo:1273) Domain has shutdown: 
name=migrating-web-test id=20 reason=suspend.
[2008-03-08 11:07:51 18296] INFO (XendCheckpoint:99) Domain 20 suspended.
[2008-03-08 11:07:51 18296] DEBUG (XendCheckpoint:107) Written done
[2008-03-08 11:07:51 18296] ERROR (XendCheckpoint:141) Save failed on domain 
web-test (20).
Traceback (most recent call last):
 File "//usr/lib64/python/xen/xend/XendCheckpoint.py", line 109, in save
   forkHelper(cmd, fd, saveInputHandler, False)
 File "//usr/lib64/python/xen/xend/XendCheckpoint.py", line 353, in 
forkHelper
   raise XendError("%s failed" % string.join(cmd))
XendError: /usr/lib64/xen/bin/xc_save 22 20 0 0 0 failed
[2008-03-08 11:07:51 18296] DEBUG (XendDomainInfo:1922) 
XendDomainInfo.resumeDomain(20)
[2008-03-08 11:07:51 18296] DEBUG (XendDomainInfo:1952) 
XendDomainInfo.resumeDomain: completed
[2008-03-08 11:07:51 18296] DEBUG (XendCheckpoint:144) XendCheckpoint.save: 
resumeDomain
-----------------------------------------------

DomU config file:
-----------------------------------------------
kernel = "/boot/vmlinuz-2.6.18.8-xenU32"
builder = 'linux'
memory = 512
name = "web-test"
uuid = "00000000-0000-0000-0000-062002195090"
vcpus = 2
vif = [ 'ip=62.2.195.90,bridge=vlanbr2,vifname=web-test.0' ]
disk = [ 
'phy:/dev/xenstore/web-test,hda1,w','phy:/dev/xenswap/web-test,hda2,w' ]
root="/dev/hda1 ro"
ip='62.2.195.90'
netmask='255.255.255.0'
gateway='62.2.195.1'
hostname= 'web-test.swisscenter.com'
#extra = '3'
extra = "fastboot console=xvc0"
on_poweroff = 'destroy'
on_reboot   = 'restart'
on_crash    = 'restart
-----------------------------------------------

Thank you, Nicolas


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