Bug 1809363 - OVS causing high pings and latency inside guest VM when an active DPDK port fails
Summary: OVS causing high pings and latency inside guest VM when an active DPDK port f...
Keywords:
Status: CLOSED CANTFIX
Alias: None
Product: Red Hat OpenStack
Classification: Red Hat
Component: openvswitch
Version: 13.0 (Queens)
Hardware: Unspecified
OS: Unspecified
high
urgent
Target Milestone: ---
: ---
Assignee: Flavio Leitner
QA Contact: Hekai Wang
URL:
Whiteboard:
Depends On:
Blocks: 1822198
TreeView+ depends on / blocked
 
Reported: 2020-03-02 23:04 UTC by chrisbro@redhat.com
Modified: 2023-10-06 19:19 UTC (History)
34 users (show)

Fixed In Version: openvswitch-2.9.0-129.el7fdn
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
: 1822198 (view as bug list)
Environment:
Last Closed: 2020-06-09 13:40:52 UTC
Target Upstream Version:
Embargoed:
kfida: needinfo+

Attachments (Terms of Use)
grabinfov1.sh to help capturing information while reproducing the issue. (10.21 KB, application/x-shellscript)
2020-03-20 18:35 UTC, Flavio Leitner 		no flags Details
grabinfov3.sh to request additional pcap (12.14 KB, application/x-shellscript)
2020-03-23 10:31 UTC, Gowrishankar Muthukrishnan 		no flags Details
Show Obsolete (1) View All

Description chrisbro@redhat.com 2020-03-02 23:04:47 UTC 
Description of problem:
  OVS causing high pings and latency inside guest VM when a active DPDK port fails

Version-Release number of selected component (if applicable):
  Red Hat OpenStack Platform release 13.0.7 (Queens)
  
  openstack-neutron-openvswitch-12.0.6-3.el7ost.noarch        Fri Jun 28 03:59:06 2019
  openvswitch-2.9.0-103.el7fdp.x86_64                         Fri Jun 28 03:58:54 2019
  openvswitch-ovn-central-2.9.0-103.el7fdp.x86_64             Fri Jun 28 03:59:07 2019
  openvswitch-ovn-common-2.9.0-103.el7fdp.x86_64              Fri Jun 28 03:58:56 2019
  openvswitch-ovn-host-2.9.0-103.el7fdp.x86_64                Fri Jun 28 03:59:06 2019
  openvswitch-selinux-extra-policy-1.0-9.el7fdp.noarch        Fri Jun 28 03:58:39 2019
  python-openvswitch-2.9.0-103.el7fdp.x86_64                  Fri Jun 28 03:58:54 2019


How reproducible:
Always

Steps to Reproduce:
1. Fail an active DPDK port 
2.
3.

Actual results:
Should fail over to other port with out causing any latency

Expected results:


Additional info:
Comment 97 Flavio Leitner 2020-03-20 18:35:14 UTC 
Created attachment 1672012 [details]
grabinfov1.sh to help capturing information while reproducing the issue.

Please run the script while running openvswitch-2.9.0-103.el7fdp.bz1809363.3
and provide the ping output files and the generated tarball.

Thanks
fbl
Comment 114 Gowrishankar Muthukrishnan 2020-03-23 10:31:23 UTC 
Created attachment 1672598 [details]
grabinfov3.sh to request additional pcap
Comment 115 Gowrishankar Muthukrishnan 2020-03-23 10:41:33 UTC 
(In reply to Gowrishankar Muthukrishnan from comment #114)
> Created attachment 1672598 [details]
> grabinfov3.sh to request additional pcap

Please note vhu_ping="vhu19948703-d7" at the top of script if the vhu- interface used for ping is right.
Comment 188 Timothy Redaelli 2020-04-23 16:28:11 UTC 
This will be released on FDP 20.D (see the cloned bz#1822198)
Comment 191 Red Hat Bugzilla 2023-09-14 05:53:45 UTC 
The needinfo request[s] on this closed bug have been removed as they have been unresolved for 1000 days
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