00:10:45.155  ========== Backtrace start: ==========
00:10:45.155  
00:10:45.155  in /home/vagrant/spdk_repo/spdk/test/bdev/nbd_common.sh:135 -> nbd_with_lvol_verify(["/var/tmp/spdk-nbd.sock"],["/dev/nbd0"])
00:10:45.155       ...
00:10:45.155     130 	function nbd_with_lvol_verify() {
00:10:45.155     131 		local rpc_server=$1
00:10:45.155     132 		local nbd=$2
00:10:45.155     133 	
00:10:45.155     134 		$rootdir/scripts/rpc.py -s $rpc_server bdev_malloc_create -b malloc_lvol_verify 16 512
00:10:45.155  => 135 		$rootdir/scripts/rpc.py -s $rpc_server bdev_lvol_create_lvstore malloc_lvol_verify lvs
00:10:45.155     136 		$rootdir/scripts/rpc.py -s $rpc_server bdev_lvol_create lvol 4 -l lvs
00:10:45.155     137 		$rootdir/scripts/rpc.py -s $rpc_server nbd_start_disk lvs/lvol "$nbd"
00:10:45.155     138 	
00:10:45.155     139 		wait_for_nbd_set_capacity "$nbd"
00:10:45.155     140 	
00:10:45.155       ...
00:10:45.155  in /home/vagrant/spdk_repo/spdk/test/bdev/blockdev.sh:323 -> nbd_function_test(["/home/vagrant/spdk_repo/spdk/test/bdev/bdev.json"],["Malloc0 Malloc1p0 Malloc1p1 Malloc2p0 Malloc2p1 Malloc2p2 Malloc2p3 Malloc2p4 Malloc2p5 Malloc2p6 Malloc2p7 TestPT raid0 concat0 raid1 AIO0"],[""])
00:10:45.155       ...
00:10:45.155     318 		trap 'cleanup; killprocess $nbd_pid' SIGINT SIGTERM EXIT
00:10:45.155     319 		waitforlisten $nbd_pid $rpc_server
00:10:45.155     320 	
00:10:45.155     321 		nbd_rpc_start_stop_verify $rpc_server "${bdev_list[*]}"
00:10:45.155     322 		nbd_rpc_data_verify $rpc_server "${bdev_list[*]}" "${nbd_list[*]}"
00:10:45.155  => 323 		nbd_with_lvol_verify $rpc_server "${nbd_list[0]}"
00:10:45.155     324 	
00:10:45.155     325 		killprocess $nbd_pid
00:10:45.155     326 		trap - SIGINT SIGTERM EXIT
00:10:45.155     327 	}
00:10:45.155     328 	
00:10:45.155       ...
00:10:45.155  in /home/vagrant/spdk_repo/spdk/test/common/autotest_common.sh:1125 -> run_test(["bdev_nbd"],["nbd_function_test"],["/home/vagrant/spdk_repo/spdk/test/bdev/bdev.json"],["Malloc0 Malloc1p0 Malloc1p1 Malloc2p0 Malloc2p1 Malloc2p2 Malloc2p3 Malloc2p4 Malloc2p5 Malloc2p6 Malloc2p7 TestPT raid0 concat0 raid1 AIO0"],[""])
00:10:45.155       ...
00:10:45.155     1120		timing_enter $test_name
00:10:45.155     1121		echo "************************************"
00:10:45.155     1122		echo "START TEST $test_name"
00:10:45.155     1123		echo "************************************"
00:10:45.155     1124		xtrace_restore
00:10:45.155     1125		time "$@"
00:10:45.155     1126		xtrace_disable
00:10:45.155     1127		echo "************************************"
00:10:45.155     1128		echo "END TEST $test_name"
00:10:45.155     1129		echo "************************************"
00:10:45.155     1130		timing_exit $test_name
00:10:45.155       ...
00:10:45.155  in /home/vagrant/spdk_repo/spdk/test/bdev/blockdev.sh:761 -> main([])
00:10:45.155       ...
00:10:45.155     756 	
00:10:45.155     757 	trap "cleanup" SIGINT SIGTERM EXIT
00:10:45.155     758 	
00:10:45.155     759 	run_test "bdev_hello_world" $SPDK_EXAMPLE_DIR/hello_bdev --json "$conf_file" -b "$hello_world_bdev" "$env_ctx"
00:10:45.155     760 	run_test "bdev_bounds" bdev_bounds "$env_ctx"
00:10:45.155  => 761 	run_test "bdev_nbd" nbd_function_test "$conf_file" "${bdevs_name[*]}" "$env_ctx"
00:10:45.155     762 	if [[ $CONFIG_FIO_PLUGIN == y ]]; then
00:10:45.155     763 		if [ "$test_type" = "nvme" ] || [ "$test_type" = "gpt" ]; then
00:10:45.155     764 			# TODO: once we get real multi-ns drives, re-enable this test for NVMe.
00:10:45.155     765 			echo "skipping fio tests on NVMe due to multi-ns failures."
00:10:45.155     766 		else
00:10:45.155       ...
00:10:45.155  
00:10:45.155  ========== Backtrace end ==========
00:10:45.155  ========== Backtrace start: ==========
00:10:45.155  
00:10:45.155  in /home/vagrant/spdk_repo/spdk/test/common/autotest_common.sh:1125 -> run_test(["blockdev_general"],["/home/vagrant/spdk_repo/spdk/test/bdev/blockdev.sh"])
00:10:45.155       ...
00:10:45.155     1120		timing_enter $test_name
00:10:45.155     1121		echo "************************************"
00:10:45.155     1122		echo "START TEST $test_name"
00:10:45.155     1123		echo "************************************"
00:10:45.155     1124		xtrace_restore
00:10:45.155     1125		time "$@"
00:10:45.155     1126		xtrace_disable
00:10:45.155     1127		echo "************************************"
00:10:45.155     1128		echo "END TEST $test_name"
00:10:45.155     1129		echo "************************************"
00:10:45.155     1130		timing_exit $test_name
00:10:45.155       ...
00:10:45.155  in /home/vagrant/spdk_repo/spdk/autotest.sh:180 -> main(["/home/vagrant/spdk_repo/autorun-spdk.conf"])
00:10:45.155       ...
00:10:45.155     175 	
00:10:45.155     176 		run_test "app_cmdline" $rootdir/test/app/cmdline.sh
00:10:45.155     177 		run_test "version" $rootdir/test/app/version.sh
00:10:45.155     178 	
00:10:45.155     179 		if [ $SPDK_TEST_BLOCKDEV -eq 1 ]; then
00:10:45.155  => 180 			run_test "blockdev_general" $rootdir/test/bdev/blockdev.sh
00:10:45.155     181 			run_test "bdevperf_config" $rootdir/test/bdev/bdevperf/test_config.sh
00:10:45.155     182 			if [[ $(uname -s) == Linux ]]; then
00:10:45.155     183 				run_test "reactor_set_interrupt" $rootdir/test/interrupt/reactor_set_interrupt.sh
00:10:45.155     184 				run_test "reap_unregistered_poller" $rootdir/test/interrupt/reap_unregistered_poller.sh
00:10:45.155     185 			fi
00:10:45.155       ...
00:10:45.155  
00:10:45.155  ========== Backtrace end ==========