[ovs-build] Broken: igsilya/ovs#711 (tmp-branch-2.12 - 0ea9c0f)

Travis CI builds at travis-ci.org
Fri Mar 27 00:06:02 UTC 2020


Build Update for igsilya/ovs
-------------------------------------

Build: #711
Status: Broken

Duration: 1 hr, 7 mins, and 33 secs
Commit: 0ea9c0f (tmp-branch-2.12)
Author: Dumitru Ceara
Message: Revert "ovsdb-idl: Avoid sending redundant conditional monitoring updates"

This reverts commit 5351980b047f4dd40be7a59a1e4b910df21eca0a.

If the ovsdb-server reply to "monitor_cond_since" requests has
"found" == false then ovsdb_idl_db_parse_monitor_reply() calls
ovsdb_idl_db_clear() which iterates through all tables and
unconditionally sets table->cond_changed to false.

However, if the client had already set a new condition for some of the
tables, this new condition request will never be sent to ovsdb-server
until the condition is reset to a different value. This is due to the
check in ovsdb_idl_db_set_condition().

One way to replicate the issue is described in the bugzilla reporting
the bug, when ovn-controller is configured to use "ovn-monitor-all":
https://bugzilla.redhat.com/show_bug.cgi?id=1808125#c6

Commit 5351980b047f tried to optimize sending redundant conditional
monitoring updates but the chances that this scenario happens with the
latest code is quite low since commit 403a6a0cb003 ("ovsdb-idl: Fast
resync from server when connection reset.") changed the behavior of
ovsdb_idl_db_parse_monitor_reply() to avoid calling ovsdb_idl_db_clear()
in most cases.

Reported-by: Dan Williams <dcbw at redhat.com>
Reported-at: https://bugzilla.redhat.com/1808125
CC: Andy Zhou <azhou at ovn.org>
Fixes: 5351980b047f ("ovsdb-idl: Avoid sending redundant conditional monitoring updates")
Acked-by: Han Zhou <hzhou at ovn.org>
Acked-by: Ilya Maximets <i.maximets at ovn.org>
Signed-off-by: Dumitru Ceara <dceara at redhat.com>
Signed-off-by: Ilya Maximets <i.maximets at ovn.org>

View the changeset: https://github.com/igsilya/ovs/compare/9560a18bffb9...0ea9c0f8e389

View the full build log and details: https://travis-ci.org/github/igsilya/ovs/builds/667455816?utm_medium=notification&utm_source=email

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