Comment 1 for bug 1426175

Trace from core:

[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-control'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 IFMapDependencyTracker::PropagateEdge (this=this@entry=0x2ee51b0, node=node@entry=0x667265746e695f65, metadata=..., in_edges=in_edges@entry=0x7feb6effaaa0)
    at controller/src/ifmap/ifmap_dependency_tracker.cc:174
174 controller/src/ifmap/ifmap_dependency_tracker.cc: No such file or directory.
(gdb)
(gdb) bt
#0 IFMapDependencyTracker::PropagateEdge (this=this@entry=0x2ee51b0, node=node@entry=0x667265746e695f65, metadata=..., in_edges=in_edges@entry=0x7feb6effaaa0)
    at controller/src/ifmap/ifmap_dependency_tracker.cc:174
#1 0x000000000086f851 in IFMapDependencyTracker::PropagateNode (this=this@entry=0x2ee51b0, node=<optimized out>, in_edges=in_edges@entry=0x7feb6effaaa0)
    at controller/src/ifmap/ifmap_dependency_tracker.cc:165
#2 0x000000000086f9e7 in IFMapDependencyTracker::PropagateChanges (this=0x2ee51b0) at controller/src/ifmap/ifmap_dependency_tracker.cc:82
#3 0x000000000045515a in IFMapConfigListener::GetChangeList (this=0x2ecbdb0, change_list=0x7feb6effab30) at controller/src/ifmap/ifmap_config_listener.cc:100
#4 0x00000000005b2ce7 in BgpConfigManager::ConfigHandler (this=0x2ecbc80) at controller/src/bgp/bgp_config.cc:1238
#5 0x0000000000a6101f in operator() (this=<optimized out>) at /usr/include/boost/function/function_template.hpp:767
#6 TaskTrigger::WorkerTask::Run (this=0x7feb3093be10) at controller/src/base/task_trigger.cc:19
#7 0x0000000000a5b820 in TaskImpl::execute (this=0x7feb80394a40) at controller/src/base/task.cc:232
#8 0x00007feb8ad45b3a in ?? () from /usr/lib/libtbb.so.2
#9 0x00007feb8ad41816 in ?? () from /usr/lib/libtbb.so.2
#10 0x00007feb8ad40f4b in ?? () from /usr/lib/libtbb.so.2
#11 0x00007feb8ad3d0ff in ?? () from /usr/lib/libtbb.so.2
#12 0x00007feb8ad3d2f9 in ?? () from /usr/lib/libtbb.so.2
#13 0x00007feb8af61182 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#14 0x00007feb8a031fbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
(gdb)

[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-control'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 IFMapDependencyTracker::PropagateEdge (this=this@entry=0x148e180, node=node@entry=0x11, metadata=..., in_edges=in_edges@entry=0x7f3db3bfdaa0) at controller/src/ifmap/ifmap_dependency_tracker.cc:174
174 controller/src/ifmap/ifmap_dependency_tracker.cc: No such file or directory.
(gdb)
(gdb) bt
#0 IFMapDependencyTracker::PropagateEdge (this=this@entry=0x148e180, node=node@entry=0x11, metadata=..., in_edges=in_edges@entry=0x7f3db3bfdaa0) at controller/src/ifmap/ifmap_dependency_tracker.cc:174
#1 0x000000000086f851 in IFMapDependencyTracker::PropagateNode (this=this@entry=0x148e180, node=<optimized out>, in_edges=in_edges@entry=0x7f3db3bfdaa0)
    at controller/src/ifmap/ifmap_dependency_tracker.cc:165
#2 0x000000000086f9e7 in IFMapDependencyTracker::PropagateChanges (this=0x148e180) at controller/src/ifmap/ifmap_dependency_tracker.cc:82
#3 0x000000000045515a in IFMapConfigListener::GetChangeList (this=0x1474d80, change_list=0x7f3db3bfdb30) at controller/src/ifmap/ifmap_config_listener.cc:100
#4 0x00000000005b2ce7 in BgpConfigManager::ConfigHandler (this=0x1474c50) at controller/src/bgp/bgp_config.cc:1238
#5 0x0000000000a6101f in operator() (this=<optimized out>) at /usr/include/boost/function/function_template.hpp:767
#6 TaskTrigger::WorkerTask::Run (this=0x7f3d8c65fc30) at controller/src/base/task_trigger.cc:19
#7 0x0000000000a5b820 in TaskImpl::execute (this=0x7f3de0d93a40) at controller/src/base/task.cc:232
#8 0x00007f3de83d0b3a in ?? () from /usr/lib/libtbb.so.2
#9 0x00007f3de83cc816 in ?? () from /usr/lib/libtbb.so.2
#10 0x00007f3de83cbf4b in ?? () from /usr/lib/libtbb.so.2
#11 0x00007f3de83c80ff in ?? () from /usr/lib/libtbb.so.2
#12 0x00007f3de83c82f9 in ?? () from /usr/lib/libtbb.so.2
#13 0x00007f3de85ec182 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#14 0x00007f3de76bcfbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
(gdb)