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https://ovirt-jira.atlassian.net/browse/OVIRT-2193?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=37443#comment-37443
 ] 

Dafna Ron commented on OVIRT-2193:
----------------------------------

[~dfediuck] [~eedri], [~gbenh...@redhat.com] and I were discussing this 
yesterday. 
The majority of the current failed tests that are marked as "race" are caused 
due to locks and tasks cleanup in engine and we should not be failing the tests 
if they are modified to query tasks/locked objects before command is run and 
fail on query timeout. 
The Network team fixed their testes which were failing on similar issues and I 
am happy to say it reduced these sort of failures for network. 
The majority of these failures today are in storage related tests which 
[~tni...@redhat.com] has been notified and has assigned [~de...@redhat.com] to 
look at. 
However, if I continue to see these tests failing sporadically (and I mean a 
test that is failing sporadically over a period of a month) I may have to skip 
those tests until they are fixed. 
We can improve on deciding what is an expectable % of failures and for what 
period of time we should quantify it before we skip the tests and decide on a 
cooperation with developers regarding the tests ownership (i.e maybe have a 
point of contact on each team for ost)


> vdsm project CQ failure: 004_basic_sanity.preview_snapshot_with_memory
> ----------------------------------------------------------------------
>
>                 Key: OVIRT-2193
>                 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-2193
>             Project: oVirt - virtualization made easy
>          Issue Type: Bug
>            Reporter: Dafna Ron
>            Assignee: infra
>              Labels: ost_failures, ost_race
>
> we have a failed vdsm test in basic master suite. 
> 004_basic_sanity.preview_snapshot_with_memory
> seems like a regression. 
> ' 2018-06-12 07:31:08,080-04 DEBUG 
> [org.ovirt.engine.core.aaa.filters.SsoRestApiNegotiationFilter] (default 
> task-27) [] SsoRestApiNegotiationFilter Not performing Negotiate Auth
> 2018-06-12 07:31:08,087-04 ERROR 
> [org.ovirt.engine.api.restapi.resource.validation.ValidationExceptionMapper] 
> (default task-27) [] Input validation failed while processing 'POST' request 
> for path '/vms/ec6dcfb7-dda9-4c58-b048-87b08ffcbfbe
> /previewsnapshot'.
> 2018-06-12 07:31:08,087-04 ERROR 
> [org.ovirt.engine.api.restapi.resource.validation.ValidationExceptionMapper] 
> (default task-27) [] Exception: 
> org.ovirt.api.metamodel.server.ValidationException: Parameter 'snapshot.id' 
> is mandatory but was
>  not provided.
>         at 
> org.ovirt.engine.api.resource.VmResourceHelper.validatePreviewSnapshot(VmResourceHelper.java:75)
>  [restapi-definition.jar:]
>         at 
> org.ovirt.engine.api.resource.VmResource.doPreviewSnapshot(VmResource.java:333)
>  [restapi-definition.jar:]
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
> [rt.jar:1.8.0_171]
>         at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
> [rt.jar:1.8.0_171]
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  [rt.jar:1.8.0_171]
>         at java.lang.reflect.Method.invoke(Method.java:498) 
> [rt.jar:1.8.0_171]' 
> Change 90532,7 (vdsm) is probably the reason behind recent system test 
> failures
> in the "ovirt-master" change queue and needs to be fixed.
> This change had been removed from the testing queue. Artifacts build from this
> change will not be released until it is fixed.
> For further details about the change see:
> https://gerrit.ovirt.org/#/c/90532/7
> For failed test results see:
> http://jenkins.ovirt.org/job/ovirt-master_change-queue-tester/8169/



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