Comment 1 for bug 1351172

hitting the same issue on R2.0 build 12.

[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 0x0000000000d83a50 in DBGraphVertex::adjacency_iterator::adjacency_iterator(DBGraph*, void*) ()
(gdb) bt
#0 0x0000000000d83a50 in DBGraphVertex::adjacency_iterator::adjacency_iterator(DBGraph*, void*) ()
#1 0x0000000000d0e008 in ShowIFMapAgentTable::MakeNode(std::string&, DBEntryBase*) ()
#2 0x0000000000d0e6d7 in ShowIFMapAgentTable::TableToBuffer(IFMapTable*, ShowIFMapAgentTable::ShowData*) ()
#3 0x0000000000d0e811 in ShowIFMapAgentTable::BufferAllTables(RequestPipeline::PipeSpec, RequestPipeline::InstData*) ()
#4 0x0000000000d0fb3b in ShowIFMapAgentTable::BufferStage(Sandesh const*, RequestPipeline::PipeSpec, int, int, RequestPipeline::InstData*) ()
#5 0x0000000000d105fc in boost::detail::function::function_obj_invoker5<boost::_bi::bind_t<bool, boost::_mfi::mf5<bool, ShowIFMapAgentTable, Sandesh const*, RequestPipeline::PipeSpec, int, int, RequestPipeline::InstData*>, boost::_bi::list6<boost::_bi::value<ShowIFMapAgentTable*>, boost::arg<1>, boost::arg<2>, boost::arg<3>, boost::arg<4>, boost::arg<5> > >, bool, Sandesh const*, RequestPipeline::PipeSpec const&, int, int, RequestPipeline::InstData*>::invoke(boost::detail::function::function_buffer&, Sandesh const*, RequestPipeline::PipeSpec const&, int, int, RequestPipeline::InstData*) ()
#6 0x0000000000de7d73 in RequestPipeline::PipeImpl::RunInstance(int) ()
#7 0x0000000000de9495 in RequestPipeline::StageWorker::Run() ()
#8 0x0000000000e67dd0 in TaskImpl::execute() ()
#9 0x00007f5426adbb3a in ?? () from /usr/lib/libtbb.so.2
#10 0x00007f5426ad7816 in ?? () from /usr/lib/libtbb.so.2
#11 0x00007f5426ad6f4b in ?? () from /usr/lib/libtbb.so.2
#12 0x00007f5426ad30ff in ?? () from /usr/lib/libtbb.so.2
#13 0x00007f5426ad32f9 in ?? () from /usr/lib/libtbb.so.2
#14 0x00007f5426cf7182 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#15 0x00007f5425fcffbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) q

all logs @bhushana@mayamruga-E71:$ ~/Documents/technical/bugs/1351172/alok/