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RE: [Xen-devel] Biweekly VMX status report. Xen: #21503 & Xen0: #e4612f.

To: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>, Keir Fraser <Keir.Fraser@xxxxxxxxxxxxx>
Subject: RE: [Xen-devel] Biweekly VMX status report. Xen: #21503 & Xen0: #e4612f...
From: "Xu, Jiajun" <jiajun.xu@xxxxxxxxx>
Date: Wed, 9 Jun 2010 09:34:56 +0800
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Thread-topic: [Xen-devel] Biweekly VMX status report. Xen: #21503 & Xen0: #e4612f...
> Keir Fraser writes ("Re: [Xen-devel] Biweekly VMX status report. Xen:
> #21503 &
> Xen0: #e4612f..."):
>> On 07/06/2010 16:07, "Xu, Jiajun" <jiajun.xu@xxxxxxxxx> wrote:
>>> 3. xm save and xm migrate can't work
>>> http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1621
>> 
>> Given this bug is introduced between changesets 21468 and 21492, it
>> can only really be introduced by Ian Jackson's logging patches. I've
>> cc'ed Ian. He should be able to help get this regression fixed.
> 
> Based on the error message I agree that my patches are a likely
> culprit.  I'm not sure why this is happening to Jiajun but not to me
> (I did do some simple tests with xm before sending my patch and it
> worked at least as well afterwards as before.)
> 
> Jiajun: are you using the not-quite-XAPI protocol or traditional
> XMLRPC ?  (Do you have "xen-api-server" set in xend-config.sxp?)
> 
> What does xend.log say ?  There may well be a stack trace.

We are not using "xen-api-server" in xend-config.sxp.

The xend log says:
------------
[2010-06-01 10:21:34 5009] DEBUG (XendDomainInfo:1806) Storing domain details:
{'console/port': '6', 'cpu/3/availability': 'online', 'description': '',
'console/limit': '1048576', 'store/port': '5', 'cpu/2/availability': 'online',
'vm': '/vm/cf94ada4-58bc-c508-f1e4-e4968f373125', 'domid': '3',
'image/suspend-cancel': '1', 'cpu/0/availability': 'online', 'memory/target':
'262144', 'control/platform-feature-multiprocessor-suspend': '1',
'store/ring-ref': '1044476', 'cpu/1/availability': 'online', 'console/type':
'ioemu', 'name': 'migrating-vCPL_LM_40_1275357679'}
[2010-06-01 10:21:34 5009] DEBUG (XendDomainInfo:1806) Storing domain details:
{'console/port': '6', 'cpu/3/availability': 'online', 'description': '',
'console/limit': '1048576', 'store/port': '5', 'cpu/2/availability': 'online',
'vm': '/vm/cf94ada4-58bc-c508-f1e4-e4968f373125', 'domid': '3',
'image/suspend-cancel': '1', 'cpu/0/availability': 'online', 'memory/target':
'262144', 'control/platform-feature-multiprocessor-suspend': '1',
'store/ring-ref': '1044476', 'cpu/1/availability': 'online', 'console/type':
'ioemu', 'name': 'vCPL_LM_40_1275357679'}
[2010-06-01 10:24:18 5009] DEBUG (XendCheckpoint:124) [xc_save]:
/usr/lib64/xen/bin/xc_save 57 3 0 0 4
[2010-06-01 10:24:18 5009] ERROR (XendCheckpoint:178) Save failed on domain
vCPL_LM_40_1275357679 (3) - resuming.
Traceback (most recent call last):
  File "/usr/lib64/python2.4/site-packages/xen/xend/XendCheckpoint.py", line 
146, in save
    forkHelper(cmd, fd, saveInputHandler, False)
  File "/usr/lib64/python2.4/site-packages/xen/xend/XendCheckpoint.py", line 
378, in forkHelper
    child = xPopen3(cmd, True, -1, [fd, xc.handle()])
AttributeError: handle
[2010-06-01 10:24:18 5009] DEBUG (XendDomainInfo:3147)
XendDomainInfo.resumeDomain(3)
[2010-06-01 10:24:18 5009] ERROR (xmlrpclib2:178) Internal error handling 
xend.domain.save Traceback (most recent call last):
  File "/usr/lib64/python2.4/site-packages/xen/util/xmlrpclib2.py", line 131, 
in _marshaled_dispatch
    response = self._dispatch(method, params)
  File "/usr/lib64/python2.4/SimpleXMLRPCServer.py", line 406, in _dispatch
    return func(*params)
  File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomain.py", line 1519, 
in domain_save
    raise e
AttributeError: handle
-------------------------------

Best Regards,
Jiajun



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