00:09:22.524  ========== Backtrace start: ==========
00:09:22.524  
00:09:22.524  in /home/vagrant/spdk_repo/spdk/test/rpc/rpc.sh:67 -> main([])
00:09:22.524       ...
00:09:22.524     62  	}
00:09:22.524     63  	
00:09:22.524     64  	$SPDK_BIN_DIR/spdk_tgt -e bdev &
00:09:22.524     65  	spdk_pid=$!
00:09:22.524     66  	trap 'killprocess $spdk_pid; exit 1' SIGINT SIGTERM EXIT
00:09:22.524  => 67  	waitforlisten $spdk_pid
00:09:22.524     68  	
00:09:22.524     69  	export PYTHONPATH=$PYTHONPATH:$testdir
00:09:22.524     70  	
00:09:22.524     71  	# basic integrity test
00:09:22.524     72  	rpc=rpc_cmd
00:09:22.524       ...
00:09:22.524  
00:09:22.524  ========== Backtrace end ==========
00:09:22.525  ========== Backtrace start: ==========
00:09:22.525  
00:09:22.525  in /home/vagrant/spdk_repo/spdk/test/common/autotest_common.sh:1111 -> run_test(["rpc"],["/home/vagrant/spdk_repo/spdk/test/rpc/rpc.sh"])
00:09:22.525       ...
00:09:22.525     1106		timing_enter $test_name
00:09:22.525     1107		echo "************************************"
00:09:22.525     1108		echo "START TEST $test_name"
00:09:22.525     1109		echo "************************************"
00:09:22.525     1110		xtrace_restore
00:09:22.525     1111		time "$@"
00:09:22.525     1112		xtrace_disable
00:09:22.525     1113		echo "************************************"
00:09:22.525     1114		echo "END TEST $test_name"
00:09:22.525     1115		echo "************************************"
00:09:22.525     1116		timing_exit $test_name
00:09:22.525       ...
00:09:22.525  in /home/vagrant/spdk_repo/spdk/autotest.sh:165 -> main(["/home/vagrant/spdk_repo/autorun-spdk.conf"])
00:09:22.525       ...
00:09:22.525     160 			fi
00:09:22.525     161 		fi
00:09:22.525     162 		timing_enter lib
00:09:22.525     163 	
00:09:22.525     164 		run_test "env" $rootdir/test/env/env.sh
00:09:22.525  => 165 		run_test "rpc" $rootdir/test/rpc/rpc.sh
00:09:22.525     166 		run_test "skip_rpc" $rootdir/test/rpc/skip_rpc.sh
00:09:22.525     167 		run_test "rpc_client" $rootdir/test/rpc_client/rpc_client.sh
00:09:22.525     168 		run_test "json_config" $rootdir/test/json_config/json_config.sh
00:09:22.525     169 		run_test "json_config_extra_key" $rootdir/test/json_config/json_config_extra_key.sh
00:09:22.525     170 		run_test "alias_rpc" $rootdir/test/json_config/alias_rpc/alias_rpc.sh
00:09:22.525       ...
00:09:22.525  
00:09:22.525  ========== Backtrace end ==========