00:04:06.850  ========== Backtrace start: ==========
00:04:06.850  
00:04:06.850  in /home/vagrant/spdk_repo/spdk/test/common/autobuild_common.sh:425 -> _unittest_build([])
00:04:06.850       ...
00:04:06.850     420 		esac
00:04:06.850     421 	}
00:04:06.850     422 	
00:04:06.850     423 	_unittest_build() {
00:04:06.850     424 		"$rootdir/configure" $config_params --without-shared
00:04:06.850  => 425 		$MAKE $MAKEFLAGS
00:04:06.850     426 	}
00:04:06.850     427 	
00:04:06.850     428 	autobuild_test_suite() {
00:04:06.850     429 		run_test "autobuild" _autobuild_test_suite
00:04:06.850     430 	}
00:04:06.850       ...
00:04:06.850  in /home/vagrant/spdk_repo/spdk/test/common/autotest_common.sh:1129 -> run_test(["unittest_build"],["_unittest_build"])
00:04:06.850       ...
00:04:06.850     1124		timing_enter $test_name
00:04:06.850     1125		echo "************************************"
00:04:06.850     1126		echo "START TEST $test_name"
00:04:06.850     1127		echo "************************************"
00:04:06.850     1128		xtrace_restore
00:04:06.850     1129		time "$@"
00:04:06.850     1130		xtrace_disable
00:04:06.850     1131		echo "************************************"
00:04:06.850     1132		echo "END TEST $test_name"
00:04:06.850     1133		echo "************************************"
00:04:06.850     1134		timing_exit $test_name
00:04:06.850       ...
00:04:06.850  in /home/vagrant/spdk_repo/spdk/test/common/autobuild_common.sh:433 -> unittest_build([])
00:04:06.850       ...
00:04:06.850     428 	autobuild_test_suite() {
00:04:06.850     429 		run_test "autobuild" _autobuild_test_suite
00:04:06.850     430 	}
00:04:06.850     431 	
00:04:06.850     432 	unittest_build() {
00:04:06.850  => 433 		run_test "unittest_build" _unittest_build
00:04:06.850     434 	}
00:04:06.850     435 	
00:04:06.850     436 	scanbuild_make() {
00:04:06.850     437 		run_test "scanbuild_make" _scanbuild_make
00:04:06.850     438 	}
00:04:06.850       ...
00:04:06.850  in /home/vagrant/spdk_repo/spdk/autobuild.sh:58 -> main(["/home/vagrant/spdk_repo/autorun-spdk.conf"])
00:04:06.850       ...
00:04:06.850     53  	fi
00:04:06.850     54  	
00:04:06.850     55  	if [[ -n $SPDK_TEST_AUTOBUILD ]]; then
00:04:06.850     56  		autobuild_test_suite
00:04:06.850     57  	elif [[ $SPDK_TEST_UNITTEST -eq 1 ]]; then
00:04:06.850  => 58  		unittest_build
00:04:06.850     59  	elif [[ $SPDK_TEST_SCANBUILD -eq 1 ]]; then
00:04:06.850     60  		scanbuild_make
00:04:06.850     61  	else
00:04:06.850     62  		if [[ $SPDK_TEST_FUZZER -eq 1 ]]; then
00:04:06.850     63  			# if we are testing nvmf fuzz with llvm lib, --with-shared will cause lib link fail
00:04:06.850       ...
00:04:06.850  
00:04:06.850  ========== Backtrace end ==========
00:04:06.851  ========== Backtrace start: ==========
00:04:06.851  
00:04:06.851  in spdk/autorun.sh:25 -> main(["/home/vagrant/spdk_repo/autorun-spdk.conf"])
00:04:06.851       ...
00:04:06.851     20  	source "$conf"
00:04:06.851     21  	
00:04:06.851     22  	trap 'timing_finish || exit 1' EXIT
00:04:06.851     23  	
00:04:06.851     24  	# Runs agent scripts
00:04:06.851  => 25  	$rootdir/autobuild.sh "$conf"
00:04:06.851     26  	if ((SPDK_TEST_UNITTEST == 1 || SPDK_RUN_FUNCTIONAL_TEST == 1)); then
00:04:06.851     27  		sudo -E $rootdir/autotest.sh "$conf"
00:04:06.851     28  	fi
00:04:06.851       ...
00:04:06.851  
00:04:06.851  ========== Backtrace end ==========