[NETVIRT-1038] vms fail to get dhcp address Created: 12/Dec/17  Updated: 06/Apr/18  Resolved: 06/Apr/18

Status: Resolved
Project: netvirt
Component/s: General
Affects Version/s: Nitrogen, Carbon, Oxygen
Fix Version/s: None

Type: Bug Priority: Medium
Reporter: Sam Hague Assignee: Unassigned
Resolution: Cannot Reproduce Votes: 0
Labels: csit:exception, csit:failures
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Duplicate
duplicates NETVIRT-1046 CSIT Sporadic failures - instances no... Resolved
Relates
relates to NETVIRT-1022 CSIT Sporadic failures - major functi... Verified

 Description   

The l3 suite has failures with some vms getting a dhcp address. The vms are stuck sending dhcp offers and do not get a response. Somewhere in the pipeline the request/response fails. Other subnets in the same test suite work fine. This usually occurs in the l3 suite, but sometimes happens in other suites.

This worked until about three weeks ago. At that point many genius and netvirt patches were going in to fix transaction leaks and other issues. It seems that some timing was changed just enough.

https://logs.opendaylight.org/releng/jenkins092/netvirt-csit-1node-openstack-ocata-upstream-stateful-nitrogen/501/log_l3.html.gz#s1-t11-k2-k2-k1-k7-k1

Sending discover...
Sending discover...
Sending discover...

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