[ovs-build] Passed: ovsrobot/ovs#2650 (series_182083 - 8e6cac5)

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Tue Jun 9 01:55:11 UTC 2020


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

Build: #2650
Status: Passed

Duration: 57 mins and 22 secs
Commit: 8e6cac5 (series_182083)
Author: Tonghao Zhang
Message: dpif-netdev: Add check mark to avoid ovs-vswitchd crash.

When changing the pmd interfaces attribute, ovs-vswitchd will
reload pmd and flush offload flows. reload_affected_pmds may
be invoked twice or more. In that case, the flows may been
queued to "dp_netdev_flow_offload" thread again.

For example:
$ ovs-vsctl -- set interface <Interface> options:dpdk-lsc-interrupt=true

ovs-vswitchd main       flow-offload thread
append F to queue       ...
...
append F to queue
...                     del F
...                     del F (crash [1])

[1]:
ovs_assert_failure          lib/cmap.c:922
cmap_replace                lib/cmap.c:921
cmap_remove                 lib/cmap.h:295
mark_to_flow_disassociate   lib/dpif-netdev.c:2269
dp_netdev_flow_offload_del  lib/dpif-netdev.c:2369
dp_netdev_flow_offload_main lib/dpif-netdev.c:2492

Cc: Yuanhan Liu <yliu at fridaylinux.org>
Cc: Ian Stokes <ian.stokes at intel.com>
Cc: Ben Pfaff <blp at ovn.org>
Cc: William Tu <u9012063 at gmail.com>
Signed-off-by: Tonghao Zhang <xiangxia.m.yue at gmail.com>
Signed-off-by: 0-day Robot <robot at bytheb.org>

View the changeset: https://github.com/ovsrobot/ovs/commit/8e6cac531be1

View the full build log and details: https://travis-ci.org/github/ovsrobot/ovs/builds/696277397?utm_medium=notification&utm_source=email

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