00:04:21.394  ========== Backtrace start: ==========
00:04:21.394  
00:04:21.394  in /home/vagrant/spdk_repo/spdk/test/common/autobuild_common.sh:418 -> _unittest_build([])
00:04:21.394       ...
00:04:21.394     413 		esac
00:04:21.394     414 	}
00:04:21.394     415 	
00:04:21.394     416 	_unittest_build() {
00:04:21.394     417 		"$rootdir/configure" $config_params --without-shared
00:04:21.394  => 418 		$MAKE $MAKEFLAGS
00:04:21.394     419 	}
00:04:21.394     420 	
00:04:21.394     421 	autobuild_test_suite() {
00:04:21.394     422 		run_test "autobuild" _autobuild_test_suite
00:04:21.394     423 	}
00:04:21.394       ...
00:04:21.394  in /home/vagrant/spdk_repo/spdk/test/common/autotest_common.sh:1129 -> run_test(["unittest_build"],["_unittest_build"])
00:04:21.394       ...
00:04:21.394     1124		timing_enter $test_name
00:04:21.394     1125		echo "************************************"
00:04:21.394     1126		echo "START TEST $test_name"
00:04:21.394     1127		echo "************************************"
00:04:21.394     1128		xtrace_restore
00:04:21.394     1129		time "$@"
00:04:21.394     1130		xtrace_disable
00:04:21.394     1131		echo "************************************"
00:04:21.394     1132		echo "END TEST $test_name"
00:04:21.394     1133		echo "************************************"
00:04:21.394     1134		timing_exit $test_name
00:04:21.394       ...
00:04:21.394  in /home/vagrant/spdk_repo/spdk/test/common/autobuild_common.sh:426 -> unittest_build([])
00:04:21.394       ...
00:04:21.394     421 	autobuild_test_suite() {
00:04:21.394     422 		run_test "autobuild" _autobuild_test_suite
00:04:21.394     423 	}
00:04:21.394     424 	
00:04:21.394     425 	unittest_build() {
00:04:21.394  => 426 		run_test "unittest_build" _unittest_build
00:04:21.394     427 	}
00:04:21.394     428 	
00:04:21.394     429 	scanbuild_make() {
00:04:21.394     430 		run_test "scanbuild_make" _scanbuild_make
00:04:21.394     431 	}
00:04:21.394       ...
00:04:21.394  in /home/vagrant/spdk_repo/spdk/autobuild.sh:58 -> main(["/home/vagrant/spdk_repo/autorun-spdk.conf"])
00:04:21.394       ...
00:04:21.394     53  	fi
00:04:21.394     54  	
00:04:21.394     55  	if [[ -n $SPDK_TEST_AUTOBUILD ]]; then
00:04:21.394     56  		autobuild_test_suite
00:04:21.394     57  	elif [[ $SPDK_TEST_UNITTEST -eq 1 ]]; then
00:04:21.394  => 58  		unittest_build
00:04:21.394     59  	elif [[ $SPDK_TEST_SCANBUILD -eq 1 ]]; then
00:04:21.394     60  		scanbuild_make
00:04:21.394     61  	else
00:04:21.394     62  		if [[ $SPDK_TEST_FUZZER -eq 1 ]]; then
00:04:21.394     63  			# if we are testing nvmf fuzz with llvm lib, --with-shared will cause lib link fail
00:04:21.394       ...
00:04:21.394  
00:04:21.394  ========== Backtrace end ==========
00:04:21.394  ========== Backtrace start: ==========
00:04:21.394  
00:04:21.395  in spdk/autorun.sh:25 -> main(["/home/vagrant/spdk_repo/autorun-spdk.conf"])
00:04:21.395       ...
00:04:21.395     20  	source "$conf"
00:04:21.395     21  	
00:04:21.395     22  	trap 'timing_finish || exit 1' EXIT
00:04:21.395     23  	
00:04:21.395     24  	# Runs agent scripts
00:04:21.395  => 25  	$rootdir/autobuild.sh "$conf"
00:04:21.395     26  	if ((SPDK_TEST_UNITTEST == 1 || SPDK_RUN_FUNCTIONAL_TEST == 1)); then
00:04:21.395     27  		sudo -E $rootdir/autotest.sh "$conf"
00:04:21.395     28  	fi
00:04:21.395       ...
00:04:21.395  
00:04:21.395  ========== Backtrace end ==========