[Bug 1945078] [NEW] openvswitch crashing and rebooting with dpdk

[Satish Patel]

Public bug reported:

I am running Focal 20.04 with Openstack OVN and trying to setup dpdk
support for high performance networking but i am not lucky, As soon as i
spin up VM its getting setup and start pinging and which in few second
OVS switch crashed and restarted. I try to reach out some folks in IRC
for openvswitch support and they said it might be issue of TSO and they
said patch is out there but may be not include in distribution package.

Patch:
http://patchwork.ozlabs.org/project/openvswitch/patch/162548620436.40409.579366497986013480.stgit@wsfd-
netdev64.ntdv.lab.eng.bos.redhat.com/

My openvswitch version is following

root at ovn-lab-comp-dpdk-1:~# dpkg -l | grep openvswitch
ii  openvswitch-common                   2.13.3-0ubuntu0.20.04.2               amd64        Open vSwitch common components
ii  openvswitch-switch                   2.13.3-0ubuntu0.20.04.2               amd64        Open vSwitch switch implementations
ii  openvswitch-switch-dpdk              2.13.3-0ubuntu0.20.04.2               amd64        DPDK enabled Open vSwitch switch implementation
ii  python3-openvswitch                  2.13.3-0ubuntu0.20.04.2               all          Python 3 bindings for Open vSwitch


Does anyone hit this kind of issue where openvswitch keep crashing and rebooting (interesting this it doesn't created crash dump so not sure where to look and what to look?)

** Affects: openvswitch (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1945078

Title:
  openvswitch crashing and rebooting with dpdk

Status in openvswitch package in Ubuntu:
  New

Bug description:
  I am running Focal 20.04 with Openstack OVN and trying to setup dpdk
  support for high performance networking but i am not lucky, As soon as
  i spin up VM its getting setup and start pinging and which in few
  second OVS switch crashed and restarted. I try to reach out some folks
  in IRC for openvswitch support and they said it might be issue of TSO
  and they said patch is out there but may be not include in
  distribution package.

  Patch:
  http://patchwork.ozlabs.org/project/openvswitch/patch/162548620436.40409.579366497986013480.stgit@wsfd-
  netdev64.ntdv.lab.eng.bos.redhat.com/

  My openvswitch version is following

  root at ovn-lab-comp-dpdk-1:~# dpkg -l | grep openvswitch
  ii  openvswitch-common                   2.13.3-0ubuntu0.20.04.2               amd64        Open vSwitch common components
  ii  openvswitch-switch                   2.13.3-0ubuntu0.20.04.2               amd64        Open vSwitch switch implementations
  ii  openvswitch-switch-dpdk              2.13.3-0ubuntu0.20.04.2               amd64        DPDK enabled Open vSwitch switch implementation
  ii  python3-openvswitch                  2.13.3-0ubuntu0.20.04.2               all          Python 3 bindings for Open vSwitch

  
  Does anyone hit this kind of issue where openvswitch keep crashing and rebooting (interesting this it doesn't created crash dump so not sure where to look and what to look?)

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