vrouter crash in PathPreferenceRouteListener::PathPreferenceRouteListener

[vageesan]

vrouter crashed with the following backtrace.

version: 3.0.0.0-2724/juno

core is in 10.84.5.112:/cs-shared/bugs/<bug-id>/

[New LWP 11027]
[New LWP 8544]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/contrail-vrouter-agent'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00000000009ca0c0 in AgentRouteTable::deleter() ()
#0 0x00000000009ca0c0 in AgentRouteTable::deleter() ()
#1 0x0000000000a6bf32 in PathPreferenceRouteListener::PathPreferenceRouteListener(Agent*, AgentRouteTable*) ()
#2 0x0000000000a6c2ff in PathPreferenceModule::VrfNotify(DBTablePartBase*, DBEntryBase*) ()
#3 0x00000000010840aa in DBTableBase::RunNotify(DBTablePartBase*, DBEntryBase*) ()
#4 0x0000000001086798 in DBTablePartBase::RunNotify() ()
#5 0x000000000108297d in DBPartition::QueueRunner::Run() ()
#6 0x00000000011939fc in TaskImpl::execute() ()
#7 0x00007f63aa251b3a in ?? () from /usr/lib/libtbb.so.2
#8 0x00007f63aa24d816 in ?? () from /usr/lib/libtbb.so.2
#9 0x00007f63aa24cf4b in ?? () from /usr/lib/libtbb.so.2
#10 0x00007f63aa2490ff in ?? () from /usr/lib/libtbb.so.2
#11 0x00007f63aa2492f9 in ?? () from /usr/lib/libtbb.so.2
#12 0x00007f63aa46d182 in start_thread (arg=0x7f636eafc700) at pthread_create.c:312
#13 0x00007f63a974647d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/18444
Submitter: Naveen N (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/18445
Submitter: Naveen N (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/18444
Committed: http://github.org/Juniper/contrail-controller/commit/e8e29688551f5cf46c8ae3894c9c41ac0231b840
Submitter: Zuul
Branch: master

commit e8e29688551f5cf46c8ae3894c9c41ac0231b840
Author: Naveen N <email address hidden>
Date: Tue Mar 15 16:31:08 2016 +0530

* Ignore vrf delete notification if vrf state is NULL
There may be a duplicate delete notified for VRF in case
quick addition and deletion, if vrf state is not set then
ignore delete notification.
Closes-bug:#1557427,#1557422

Change-Id: Ic449e56a536542d21a1bbf10bc2540210613953c

[Hari Prasad Killi (haripk)]

R3.0 : https://review.opencontrail.org/#/c/18445/ is merged.

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/18445
Committed: http://github.org/Juniper/contrail-controller/commit/f8a0969230810f9fd997a357aecdb045ac5b0eb6
Submitter: Zuul
Branch: R3.0

commit f8a0969230810f9fd997a357aecdb045ac5b0eb6
Author: Naveen N <email address hidden>
Date: Tue Mar 15 16:31:08 2016 +0530

* Ignore vrf delete notification if vrf state is NULL
There may be a duplicate delete notified for VRF in case
quick addition and deletion, if vrf state is not set then
ignore delete notification.
Closes-bug:#1557427,#1557422

Change-Id: Ic449e56a536542d21a1bbf10bc2540210613953c