[ovs-build] Failed: ovsrobot/ovs#562 (series_94711 - d7c6008)

Travis CI builds at travis-ci.org
Thu Feb 28 17:06:21 UTC 2019


Build Update for ovsrobot/ovs
-------------------------------------

Build: #562
Status: Failed

Duration: 1 hr, 13 mins, and 45 secs
Commit: d7c6008 (series_94711)
Author: Nitin Katiyar
Message: Avoid packet drop on LACP bond after link up

Problem:

========
On certain Fortville NICs it has been observed that PHY UP detection can
get delayed (sometimes up to 4-5 secs). When the driver fails to fetch
PHY status as UP even though its actually UP,  LACP packets can get
exchanged and LACP slave brought UP. In such a case, the remote end
would start sending traffic on that slave, but OVS drops it, as the
bond-slave is not yet enabled due to PHY DOWN.

Fix:
====
The main intention here is delay LACP negotiation until carrier (PHY)
status is read as UP.

1. In port_run()/bundle_run(), cache the carrier status in
  "struct ofport_dpif"/"struct bond_slave".

2. When carrier state is DOWN, do not send any LACPDUs and
  drop any received LACPDUs.

3. When LACP state changes or LACPDU is received, trigger re-checking
  of carrier-state (in port_run()) by incrementing the connectivity
  sequence number to find out the true carrier state as fast as
  possible.

Signed-off-by: Manohar Krishnappa Chidambaraswamy <manukc at gmail.com>
Co-authored-by: Manohar Krishnappa Chidambaraswamy <manukc at gmail.com>
Signed-off-by: Nitin Katiyar <nitin.katiyar at ericsson.com>
Signed-off-by: 0-day Robot <robot at bytheb.org>

View the changeset: https://github.com/ovsrobot/ovs/compare/b83e9346b2cd...d7c600819f25

View the full build log and details: https://travis-ci.org/ovsrobot/ovs/builds/499854874?utm_medium=notification&utm_source=email

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