[Bug 1405588] [NEW] database connection failed (Protocol error)

[Xiang Hui]

Public bug reported:

Versions:
root at juju-xh-machine-5:~# dpkg -l|grep openvswitch
ii  openvswitch-common               2.0.2-0ubuntu0.14.04.1           amd64        Open vSwitch common components
ii  openvswitch-switch               2.0.2-0ubuntu0.14.04.1           amd64        Open vSwitch switch implementations

root at juju-xh-machine-5:~# uname -a
Linux juju-precise-machine-5 3.13.0-43-generic #72-Ubuntu SMP Mon Dec 8 19:35:06 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

root at juju-xh-machine-5:~# cat /etc/issue
Ubuntu 14.04.1 LTS \n \l

Erros:
root at juju-xh-machine-5:~# ovs-vsctl show
2014-12-25T09:26:56Z|00001|reconnect|WARN|unix:/var/run/openvswitch/db.sock: connection attempt failed (Protocol error)
ovs-vsctl: unix:/var/run/openvswitch/db.sock: database connection failed (Protocol error)

root at juju-precise-machine-5:~# tail -f /var/log/neutron/openvswitch-agent.log
2014-12-25 09:37:03.990 20991 ERROR neutron.agent.linux.ovsdb_monitor [-] Error received from ovsdb monitor: ovsdb-client: unix:/var/run/openvswitch/db.sock: receive failed (End of file)

Workaround:
restart openvswitch-switch

But ovs-vsctl will get this error every several minutes, this caused
neutron-plugin-openvswitch-agent keep reporting errors since ovs-vsctl
is wrong.

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

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https://bugs.launchpad.net/bugs/1405588

Title:
  database connection failed (Protocol error)

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