[ovirt-devel] [ OST Failure Report ] [ oVirt Master ] [ 14-12-2017 ] [ 004_basic_sanity.disk_operations ]

[Francesco Romani]

On 12/14/2017 01:12 PM, Michal Skrivanek wrote:
>
>> On 14 Dec 2017, at 13:00, Dafna Ron <dron at redhat.com
>> <mailto:dron at redhat.com>> wrote:
>>
>> Hi,
>>
>> We have a failure on basic suite on test:
>> 004_basic_sanity.disk_operations
>>
>> I think that we query a snapshot that was already deleted
>> successfully and report the snapshot as gone. and that is because of
>> a different error in update vm query which happens before.
>>
>> *
>> Link and headline of suspected patches:
>> https://gerrit.ovirt.org/#/c/85168/ - core: Prevent retry lease
>> hotplag in case of failure.
>>
>> Link to Job:
>> http://jenkins.ovirt.org/job/ovirt-master_change-queue-tester/4393
>>
>> Link to all logs:
>> http://jenkins.ovirt.org/job/ovirt-master_change-queue-tester/4393/artifact/
>>
>> (Relevant) error snippet from the log:
>> <error>
>> *
>>
>> vdsm: **
>> **
>> 2017-12-14 02:34:45,222-0500 ERROR (jsonrpc/7)
>> [jsonrpc.JsonRpcServer] Internal server error (__init__:611)
>> Traceback (most recent call last):
>>   File "/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line
>> 606, in _handle_request
>>     res = method(**params)
>>   File "/usr/lib/python2.7/site-packages/vdsm/rpc/Bridge.py", line
>> 201, in _dynamicMethod
>>     result = fn(*methodArgs)
>>   File "<string>", line 2, in getAllVmStats
>>   File "/usr/lib/python2.7/site-packages/vdsm/common/api.py", line
>> 48, in method
>>     ret = func(*args, **kwargs)
>>   File "/usr/lib/python2.7/site-packages/vdsm/API.py", line 1342, in
>> getAllVmStats
>>     statsList = self._cif.getAllVmStats()
>>   File "/usr/lib/python2.7/site-packages/vdsm/clientIF.py", line 518,
>> in getAllVmStats
>>     return [v.getStats() for v in self.vmContainer.values()]
>>   File "/usr/lib/python2.7/site-packages/vdsm/virt/vm.py", line 1699,
>> in getStats
>>     oga_stats = self._getGuestStats()
>>   File "/usr/lib/python2.7/site-packages/vdsm/virt/vm.py", line 1895,
>> in _getGuestStats
>>     self._update_guest_disk_mapping()
>>   File "/usr/lib/python2.7/site-packages/vdsm/virt/vm.py", line 1909,
>> in _update_guest_disk_mapping
>>     self._sync_metadata()
>>   File "/usr/lib/python2.7/site-packages/vdsm/virt/vm.py", line 4995,
>> in _sync_metadata
>>     self._md_desc.dump(self._dom)
>>   File "/usr/lib/python2.7/site-packages/vdsm/virt/metadata.py", line
>> 477, in dump
>>     dom.setMetadata(libvirt.VIR_DOMAIN_METADATA_ELEMENT,
>>   File "/usr/lib/python2.7/site-packages/vdsm/virt/virdomain.py",
>> line 47, in __getattr__
>>     % self.vmid)
>> NotConnectedError: VM '7cab7e5a-cb12-4977-ac4f-65218532df7e' was not
>> defined yet or was undefined
>> **
>
> it doesn’t seem to be relevant to this failure, but it deserves a fix
> nevertheless
> Francesco?
>

Smells like a race on shutdown.

-- 
Francesco Romani
Senior SW Eng., Virtualization R&D
Red Hat
IRC: fromani github: @fromanirh

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