00:12:31.955  ========== Backtrace start: ==========
00:12:31.955  
00:12:32.216  in /home/vagrant/spdk_repo/spdk/test/common/autotest_common.sh:1111 -> run_test(["lvol_external_snapshot"],["/home/vagrant/spdk_repo/spdk/test/lvol/external_snapshot.sh"])
00:12:32.216       ...
00:12:32.216     1106		timing_enter $test_name
00:12:32.216     1107		echo "************************************"
00:12:32.216     1108		echo "START TEST $test_name"
00:12:32.216     1109		echo "************************************"
00:12:32.216     1110		xtrace_restore
00:12:32.216     1111		time "$@"
00:12:32.216     1112		xtrace_disable
00:12:32.216     1113		echo "************************************"
00:12:32.216     1114		echo "END TEST $test_name"
00:12:32.216     1115		echo "************************************"
00:12:32.216     1116		timing_exit $test_name
00:12:32.216       ...
00:12:32.216  in /home/vagrant/spdk_repo/spdk/test/lvol/lvol.sh:22 -> main([])
00:12:32.216       ...
00:12:32.216     17  	run_test "lvol_tasting" $rootdir/test/lvol/tasting.sh
00:12:32.216     18  	run_test "lvol_snapshot_clone" $rootdir/test/lvol/snapshot_clone.sh
00:12:32.216     19  	run_test "lvol_rename" $rootdir/test/lvol/rename.sh
00:12:32.216     20  	run_test "lvol_provisioning" $rootdir/test/lvol/thin_provisioning.sh
00:12:32.216     21  	run_test "lvol_esnap" $rootdir/test/lvol/esnap/esnap
00:12:32.216  => 22  	run_test "lvol_external_snapshot" $rootdir/test/lvol/external_snapshot.sh
00:12:32.216     23  	timing_exit basic
00:12:32.216     24  	
00:12:32.216     25  	timing_exit lvol
00:12:32.216       ...
00:12:32.216  
00:12:32.216  ========== Backtrace end ==========
00:12:32.216  ========== Backtrace start: ==========
00:12:32.216  
00:12:32.216  in /home/vagrant/spdk_repo/spdk/test/common/autotest_common.sh:1111 -> run_test(["lvol"],["/home/vagrant/spdk_repo/spdk/test/lvol/lvol.sh"])
00:12:32.216       ...
00:12:32.216     1106		timing_enter $test_name
00:12:32.216     1107		echo "************************************"
00:12:32.216     1108		echo "START TEST $test_name"
00:12:32.216     1109		echo "************************************"
00:12:32.216     1110		xtrace_restore
00:12:32.216     1111		time "$@"
00:12:32.216     1112		xtrace_disable
00:12:32.216     1113		echo "************************************"
00:12:32.216     1114		echo "END TEST $test_name"
00:12:32.216     1115		echo "************************************"
00:12:32.216     1116		timing_exit $test_name
00:12:32.216       ...
00:12:32.216  in /home/vagrant/spdk_repo/spdk/autotest.sh:315 -> main(["/home/vagrant/spdk_repo/autorun-spdk.conf"])
00:12:32.216       ...
00:12:32.216     310 		if [ $SPDK_TEST_VFIOUSER_QEMU -eq 1 ]; then
00:12:32.216     311 			run_test "vfio_user_qemu" $rootdir/test/vfio_user/vfio_user.sh
00:12:32.216     312 		fi
00:12:32.216     313 	
00:12:32.216     314 		if [ $SPDK_TEST_LVOL -eq 1 ]; then
00:12:32.216  => 315 			run_test "lvol" $rootdir/test/lvol/lvol.sh
00:12:32.216     316 			run_test "blob_io_wait" $rootdir/test/blobstore/blob_io_wait/blob_io_wait.sh
00:12:32.216     317 		fi
00:12:32.216     318 	
00:12:32.216     319 		if [ $SPDK_TEST_VHOST_INIT -eq 1 ]; then
00:12:32.216     320 			timing_enter vhost_initiator
00:12:32.216       ...
00:12:32.216  
00:12:32.216  ========== Backtrace end ==========