yahoo-eng-team team mailing list archive

[Armando Migliaccio <1625325@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

A phenomenon where OVS ports appear, disappear and show up again has
been experienced lately (e.g. [1]). This seems to be associated to
traces like below, where two separate interfaces get associated to the
same ofport right about the same time:

2016-09-19T17:34:48.065Z|00247|bridge|INFO|bridge br-int: added interface qvo9d9ab7b1-59 on port 89
2016-09-19T17:34:48.077Z|00248|bridge|INFO|bridge br-int: added interface tapc9e6d02e-2c on port 89

We need to figure out what's causing it, and fix it for good.

[1] http://logs.openstack.org/40/367340/8/check/gate-grenade-dsvm-
neutron-ubuntu-trusty/c809d17/logs/openvswitch/ovs-vswitchd.txt.gz

** Affects: neutron
     Importance: High
         Status: New


** Tags: newton-rc-potential

** Changed in: neutron
    Milestone: None => newton-rc2

** Changed in: neutron
   Importance: Undecided => High

** Tags added: newton-rc-potential

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https://bugs.launchpad.net/bugs/1625325

Title:
  OVS port momentary lapse of reason

Status in neutron:
  New

Bug description:
  A phenomenon where OVS ports appear, disappear and show up again has
  been experienced lately (e.g. [1]). This seems to be associated to
  traces like below, where two separate interfaces get associated to the
  same ofport right about the same time:

  2016-09-19T17:34:48.065Z|00247|bridge|INFO|bridge br-int: added interface qvo9d9ab7b1-59 on port 89
  2016-09-19T17:34:48.077Z|00248|bridge|INFO|bridge br-int: added interface tapc9e6d02e-2c on port 89

  We need to figure out what's causing it, and fix it for good.

  [1] http://logs.openstack.org/40/367340/8/check/gate-grenade-dsvm-
  neutron-ubuntu-trusty/c809d17/logs/openvswitch/ovs-vswitchd.txt.gz

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