[Xen-bugs] [Bug 1560] New: Fail to parse NUMA nodes information when create HVM guest

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1560

           Summary: Fail to parse NUMA nodes information when create HVM
                    guest
           Product: Xen
           Version: unstable
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: jiajun.xu@xxxxxxxxx


Environment:
------------
Service Arch (ia32/ia32e/IA64): 
Guest Arch (ia32/ia32e/IA64): 
Guest OS Type (Linux/Windows):
Change Set: 20749:bb34d8e578d2
Hardware: NHM-EX
Other:
pvops dom0 60e0545e9649b08dd8ef5f2b991930049c40537e


Bug detailed description:
--------------------------
THis is NHM-EX Specific issue, it does not happend on other machine. 

when I create a HVM guest, I meet a python error. 

[root@localhost ~]# xm cr xmexample.hvm 
Using config file "./xmexample.hvm".
Error: integer division or modulo by zero



Reproduce steps:
----------------
1.
2.
3.

Current result:
----------------


Expected result:
----------------


Basic root-causing log:
----------------------
[2009-12-30 21:54:02 7638] INFO (image:822) Need to create platform
device.[domid:1]
[2009-12-30 21:54:02 7638] ERROR (XendDomainInfo:474) VM start failed
Traceback (most recent call last):
  File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
460, in start
    XendTask.log_progress(31, 60, self._initDomain)
  File "usr/lib64/python2.4/site-packages/xen/xend/XendTask.py", line 209, in
log_progress
    retval = func(*args, **kwds)
  File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
2769, in _initDomain
    node = self._setCPUAffinity()
  File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
2689, in _setCPUAffinity
    best_node = find_relaxed_node(candidate_node_list)[0]
  File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
2676, in find_relaxed_node
    nodeload[i] = int(nodeload[i] * 16 / len(info['node_to_cpu'][i]))
ZeroDivisionError: integer division or modulo by zero
[2009-12-30 21:54:02 7638] DEBUG (XendDomainInfo:2994) XendDomainInfo.destroy:
domid=1
[2009-12-30 21:54:03 7638] DEBUG (XendDomainInfo:2353) Destroying device model
[2009-12-30 21:54:03 7638] ERROR (XendDomainInfo:2356) Device model destroy
failed X86_HVM_ImageHandler instance has no attribute 'sentinel_lock'
Traceback (most recent call last):
  File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
2354, in _releaseDevices
    self.image.destroyDeviceModel()
  File "usr/lib64/python2.4/site-packages/xen/xend/image.py", line 621, in
destroyDeviceModel
    self.sentinel_lock.acquire()
AttributeError: X86_HVM_ImageHandler instance has no attribute 'sentinel_lock'
[2009-12-30 21:54:03 7638] DEBUG (XendDomainInfo:2360) Releasing devices
[2009-12-30 21:54:03 7638] ERROR (XendDomainInfo:105) Domain construction
failed
Traceback (most recent call last):
  File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
103, in create
    vm.start()
  File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
460, in start
    XendTask.log_progress(31, 60, self._initDomain)
  File "usr/lib64/python2.4/site-packages/xen/xend/XendTask.py", line 209, in
log_progress
    retval = func(*args, **kwds)
  File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
2769, in _initDomain
    node = self._setCPUAffinity()
  File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
2689, in _setCPUAffinity
    best_node = find_relaxed_node(candidate_node_list)[0]
  File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
2676, in find_relaxed_node
    nodeload[i] = int(nodeload[i] * 16 / len(info['node_to_cpu'][i]))
ZeroDivisionError: integer division or modulo by zero
[2009-12-30 21:54:03 7638] ERROR (xmlrpclib2:178) Internal error handling
xend.domain.create
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/server/XMLRPCServer.py",
line 79, in domain_create
    info = XendDomain.instance().domain_create(config)
  File "usr/lib64/python2.4/site-packages/xen/xend/XendDomain.py", line 982, in
domain_create
    dominfo = XendDomainInfo.create(config)
  File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
103, in create
    vm.start()
  File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
460, in start
    XendTask.log_progress(31, 60, self._initDomain)
  File "usr/lib64/python2.4/site-packages/xen/xend/XendTask.py", line 209, in
log_progress
    retval = func(*args, **kwds)
  File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
2769, in _initDomain
    node = self._setCPUAffinity()
  File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
2689, in _setCPUAffinity
    best_node = find_relaxed_node(candidate_node_list)[0]
  File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
2676, in find_relaxed_node
    nodeload[i] = int(nodeload[i] * 16 / len(info['node_to_cpu'][i]))
ZeroDivisionError: integer division or modulo by zero


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