00:04:34.517  ========== Backtrace start: ==========
00:04:34.517  
00:04:34.517  in /home/vagrant/spdk_repo/spdk/test/common/autobuild_common.sh:418 -> _unittest_build([])
00:04:34.517       ...
00:04:34.517     413 		esac
00:04:34.517     414 	}
00:04:34.517     415 	
00:04:34.517     416 	_unittest_build() {
00:04:34.517     417 		"$rootdir/configure" $config_params --without-shared
00:04:34.517  => 418 		$MAKE $MAKEFLAGS
00:04:34.517     419 	}
00:04:34.517     420 	
00:04:34.517     421 	autobuild_test_suite() {
00:04:34.517     422 		run_test "autobuild" _autobuild_test_suite
00:04:34.517     423 	}
00:04:34.517       ...
00:04:34.517  in /home/vagrant/spdk_repo/spdk/test/common/autotest_common.sh:1129 -> run_test(["unittest_build"],["_unittest_build"])
00:04:34.517       ...
00:04:34.517     1124		timing_enter $test_name
00:04:34.517     1125		echo "************************************"
00:04:34.517     1126		echo "START TEST $test_name"
00:04:34.517     1127		echo "************************************"
00:04:34.517     1128		xtrace_restore
00:04:34.517     1129		time "$@"
00:04:34.517     1130		xtrace_disable
00:04:34.517     1131		echo "************************************"
00:04:34.517     1132		echo "END TEST $test_name"
00:04:34.517     1133		echo "************************************"
00:04:34.517     1134		timing_exit $test_name
00:04:34.517       ...
00:04:34.517  in /home/vagrant/spdk_repo/spdk/test/common/autobuild_common.sh:426 -> unittest_build([])
00:04:34.517       ...
00:04:34.517     421 	autobuild_test_suite() {
00:04:34.517     422 		run_test "autobuild" _autobuild_test_suite
00:04:34.517     423 	}
00:04:34.517     424 	
00:04:34.517     425 	unittest_build() {
00:04:34.517  => 426 		run_test "unittest_build" _unittest_build
00:04:34.517     427 	}
00:04:34.517     428 	
00:04:34.517     429 	scanbuild_make() {
00:04:34.517     430 		run_test "scanbuild_make" _scanbuild_make
00:04:34.517     431 	}
00:04:34.517       ...
00:04:34.517  in /home/vagrant/spdk_repo/spdk/autobuild.sh:58 -> main(["/home/vagrant/spdk_repo/autorun-spdk.conf"])
00:04:34.517       ...
00:04:34.517     53  	fi
00:04:34.517     54  	
00:04:34.517     55  	if [[ -n $SPDK_TEST_AUTOBUILD ]]; then
00:04:34.517     56  		autobuild_test_suite
00:04:34.517     57  	elif [[ $SPDK_TEST_UNITTEST -eq 1 ]]; then
00:04:34.517  => 58  		unittest_build
00:04:34.517     59  	elif [[ $SPDK_TEST_SCANBUILD -eq 1 ]]; then
00:04:34.517     60  		scanbuild_make
00:04:34.517     61  	else
00:04:34.517     62  		if [[ $SPDK_TEST_FUZZER -eq 1 ]]; then
00:04:34.517     63  			# if we are testing nvmf fuzz with llvm lib, --with-shared will cause lib link fail
00:04:34.517       ...
00:04:34.517  
00:04:34.517  ========== Backtrace end ==========
00:04:34.517  ========== Backtrace start: ==========
00:04:34.517  
00:04:34.517  in spdk/autorun.sh:25 -> main(["/home/vagrant/spdk_repo/autorun-spdk.conf"])
00:04:34.517       ...
00:04:34.517     20  	source "$conf"
00:04:34.517     21  	
00:04:34.517     22  	trap 'timing_finish || exit 1' EXIT
00:04:34.517     23  	
00:04:34.517     24  	# Runs agent scripts
00:04:34.517  => 25  	$rootdir/autobuild.sh "$conf"
00:04:34.517     26  	if ((SPDK_TEST_UNITTEST == 1 || SPDK_RUN_FUNCTIONAL_TEST == 1)); then
00:04:34.517     27  		sudo -E $rootdir/autotest.sh "$conf"
00:04:34.517     28  	fi
00:04:34.517       ...
00:04:34.517  
00:04:34.517  ========== Backtrace end ==========