00:41:38.861  ========== Backtrace start: ==========
00:41:38.861  
00:41:38.861  in /home/vagrant/spdk_repo/spdk/autotest.sh:395 -> main(["/home/vagrant/spdk_repo/autorun-spdk.conf"])
00:41:38.861       ...
00:41:38.861     390 	[[ -f "$output_dir/udev.log" ]] && rm -f "$output_dir/udev.log"
00:41:38.861     391 	
00:41:38.861     392 	if [[ $CONFIG_COVERAGE == y ]]; then
00:41:38.861     393 		# generate coverage data and combine with baseline
00:41:38.861     394 		$LCOV -q -c --no-external -d $src -t "$(hostname)" -o $out/cov_test.info
00:41:38.861  => 395 		$LCOV -q -a $out/cov_base.info -a $out/cov_test.info -o $out/cov_total.info
00:41:38.861     396 		$LCOV -q -r $out/cov_total.info '*/dpdk/*' -o $out/cov_total.info
00:41:38.861     397 		# C++ headers in /usr can sometimes generate data even when specifying
00:41:38.861     398 		# --no-external, so remove them. But we need to add an ignore-errors
00:41:38.861     399 		# flag to squash warnings on systems where they don't generate data.
00:41:38.861     400 		$LCOV -q -r $out/cov_total.info --ignore-errors unused,unused '/usr/*' -o $out/cov_total.info
00:41:38.861       ...
00:41:38.861  
00:41:38.861  ========== Backtrace end ==========
00:41:38.861  ========== Backtrace start: ==========
00:41:38.861  
00:41:38.861  in spdk/autorun.sh:27 -> main(["/home/vagrant/spdk_repo/autorun-spdk.conf"])
00:41:38.861       ...
00:41:38.861     22  	trap 'timing_finish || exit 1' EXIT
00:41:38.861     23  	
00:41:38.861     24  	# Runs agent scripts
00:41:38.861     25  	$rootdir/autobuild.sh "$conf"
00:41:38.861     26  	if ((SPDK_TEST_UNITTEST == 1 || SPDK_RUN_FUNCTIONAL_TEST == 1)); then
00:41:38.861  => 27  		sudo -E $rootdir/autotest.sh "$conf"
00:41:38.861     28  	fi
00:41:38.861       ...
00:41:38.861  
00:41:38.861  ========== Backtrace end ==========