00:18:12.421  ========== Backtrace start: ==========
00:18:12.421  
00:18:12.421  in /usr/home/vagrant/spdk_repo/spdk/test/common/autobuild_common.sh:403 -> _unittest_build([])
00:18:12.421       ...
00:18:12.421     398 		esac
00:18:12.421     399 	}
00:18:12.421     400 	
00:18:12.421     401 	_unittest_build() {
00:18:12.421     402 		"$rootdir/configure" $config_params --without-shared
00:18:12.421  => 403 		$MAKE $MAKEFLAGS
00:18:12.421     404 	}
00:18:12.421     405 	
00:18:12.421     406 	autobuild_test_suite() {
00:18:12.421     407 		run_test "autobuild" _autobuild_test_suite
00:18:12.421     408 	}
00:18:12.421       ...
00:18:12.421  in /usr/home/vagrant/spdk_repo/spdk/test/common/autotest_common.sh:1111 -> run_test(["unittest_build"],["_unittest_build"])
00:18:12.421       ...
00:18:12.421     1106		timing_enter $test_name
00:18:12.421     1107		echo "************************************"
00:18:12.421     1108		echo "START TEST $test_name"
00:18:12.421     1109		echo "************************************"
00:18:12.421     1110		xtrace_restore
00:18:12.421     1111		time "$@"
00:18:12.421     1112		xtrace_disable
00:18:12.421     1113		echo "************************************"
00:18:12.421     1114		echo "END TEST $test_name"
00:18:12.421     1115		echo "************************************"
00:18:12.421     1116		timing_exit $test_name
00:18:12.421       ...
00:18:12.421  in /usr/home/vagrant/spdk_repo/spdk/test/common/autobuild_common.sh:411 -> unittest_build([])
00:18:12.421       ...
00:18:12.421     406 	autobuild_test_suite() {
00:18:12.421     407 		run_test "autobuild" _autobuild_test_suite
00:18:12.421     408 	}
00:18:12.421     409 	
00:18:12.421     410 	unittest_build() {
00:18:12.421  => 411 		run_test "unittest_build" _unittest_build
00:18:12.421     412 	}
00:18:12.421     413 	
00:18:12.421     414 	scanbuild_make() {
00:18:12.421     415 		run_test "scanbuild_make" _scanbuild_make
00:18:12.421     416 	}
00:18:12.421       ...
00:18:12.421  in /usr/home/vagrant/spdk_repo/spdk/autobuild.sh:58 -> main(["/usr/home/vagrant/spdk_repo/autorun-spdk.conf"])
00:18:12.421       ...
00:18:12.421     53  	fi
00:18:12.421     54  	
00:18:12.421     55  	if [[ -n $SPDK_TEST_AUTOBUILD ]]; then
00:18:12.421     56  		autobuild_test_suite
00:18:12.421     57  	elif [[ $SPDK_TEST_UNITTEST -eq 1 ]]; then
00:18:12.421  => 58  		unittest_build
00:18:12.421     59  	elif [[ $SPDK_TEST_SCANBUILD -eq 1 ]]; then
00:18:12.421     60  		scanbuild_make
00:18:12.421     61  	else
00:18:12.421     62  		if [[ $SPDK_TEST_FUZZER -eq 1 ]]; then
00:18:12.422     63  			# if we are testing nvmf fuzz with llvm lib, --with-shared will cause lib link fail
00:18:12.422       ...
00:18:12.422  
00:18:12.422  ========== Backtrace end ==========