00:31:03.992  ========== Backtrace start: ==========
00:31:03.992  
00:31:03.992  in /home/vagrant/spdk_repo/spdk/test/dd/sparse.sh:73 -> file_to_bdev([])
00:31:03.992       ...
00:31:03.992     68  			["size"]=37748736
00:31:03.992     69  			["thin_provision"]=true
00:31:03.992     70  		)
00:31:03.992     71  	
00:31:03.992     72  		"${DD_APP[@]}" \
00:31:03.992  => 73  			--if="$file2" \
00:31:03.992     74  			--ob="$lvstore/$lvol" \
00:31:03.992     75  			--bs=12582912 \
00:31:03.992     76  			--sparse \
00:31:03.992     77  			--json <(gen_conf)
00:31:03.992     78  	}
00:31:03.992       ...
00:31:03.992  in /home/vagrant/spdk_repo/spdk/test/common/autotest_common.sh:1111 -> run_test(["dd_sparse_file_to_bdev"],["file_to_bdev"])
00:31:03.992       ...
00:31:03.992     1106		timing_enter $test_name
00:31:03.992     1107		echo "************************************"
00:31:03.992     1108		echo "START TEST $test_name"
00:31:03.992     1109		echo "************************************"
00:31:03.992     1110		xtrace_restore
00:31:03.992     1111		time "$@"
00:31:03.992     1112		xtrace_disable
00:31:03.992     1113		echo "************************************"
00:31:03.992     1114		echo "END TEST $test_name"
00:31:03.992     1115		echo "************************************"
00:31:03.992     1116		timing_exit $test_name
00:31:03.992       ...
00:31:03.992  in /home/vagrant/spdk_repo/spdk/test/dd/sparse.sh:121 -> main([])
00:31:03.992       ...
00:31:03.992     116 	trap "cleanup" EXIT
00:31:03.992     117 	
00:31:03.992     118 	prepare
00:31:03.992     119 	
00:31:03.992     120 	run_test "dd_sparse_file_to_file" file_to_file
00:31:03.992  => 121 	run_test "dd_sparse_file_to_bdev" file_to_bdev
00:31:03.992     122 	run_test "dd_sparse_bdev_to_file" bdev_to_file
00:31:03.992       ...
00:31:03.992  
00:31:03.992  ========== Backtrace end ==========
00:31:03.993  ========== Backtrace start: ==========
00:31:03.993  
00:31:03.993  in /home/vagrant/spdk_repo/spdk/test/common/autotest_common.sh:1111 -> run_test(["spdk_dd_sparse"],["/home/vagrant/spdk_repo/spdk/test/dd/sparse.sh"])
00:31:03.993       ...
00:31:03.993     1106		timing_enter $test_name
00:31:03.993     1107		echo "************************************"
00:31:03.993     1108		echo "START TEST $test_name"
00:31:03.993     1109		echo "************************************"
00:31:03.993     1110		xtrace_restore
00:31:03.993     1111		time "$@"
00:31:03.993     1112		xtrace_disable
00:31:03.993     1113		echo "************************************"
00:31:03.993     1114		echo "END TEST $test_name"
00:31:03.993     1115		echo "************************************"
00:31:03.993     1116		timing_exit $test_name
00:31:03.993       ...
00:31:03.993  in /home/vagrant/spdk_repo/spdk/test/dd/dd.sh:27 -> main([])
00:31:03.993       ...
00:31:03.993     22  	run_test "spdk_dd_malloc" "$testdir/malloc.sh"
00:31:03.993     23  	run_test "spdk_dd_bdev_to_bdev" "$testdir/bdev_to_bdev.sh" "${nvmes[@]}"
00:31:03.993     24  	if ((SPDK_TEST_URING == 1)); then
00:31:03.993     25  		run_test "spdk_dd_uring" "$testdir/uring.sh"
00:31:03.993     26  	fi
00:31:03.993  => 27  	run_test "spdk_dd_sparse" "$testdir/sparse.sh"
00:31:03.993     28  	run_test "spdk_dd_negative" "$testdir/negative_dd.sh"
00:31:03.993       ...
00:31:03.993  
00:31:03.993  ========== Backtrace end ==========
00:31:03.993  ========== Backtrace start: ==========
00:31:03.993  
00:31:03.993  in /home/vagrant/spdk_repo/spdk/test/common/autotest_common.sh:1111 -> run_test(["spdk_dd"],["/home/vagrant/spdk_repo/spdk/test/dd/dd.sh"])
00:31:03.993       ...
00:31:03.993     1106		timing_enter $test_name
00:31:03.993     1107		echo "************************************"
00:31:03.993     1108		echo "START TEST $test_name"
00:31:03.993     1109		echo "************************************"
00:31:03.993     1110		xtrace_restore
00:31:03.993     1111		time "$@"
00:31:03.993     1112		xtrace_disable
00:31:03.993     1113		echo "************************************"
00:31:03.993     1114		echo "END TEST $test_name"
00:31:03.993     1115		echo "************************************"
00:31:03.993     1116		timing_exit $test_name
00:31:03.993       ...
00:31:03.993  in /home/vagrant/spdk_repo/spdk/autotest.sh:202 -> main(["/home/vagrant/spdk_repo/autorun-spdk.conf"])
00:31:03.993       ...
00:31:03.993     197 				# dd tests are executed there as well. However, these tests can take a significant
00:31:03.993     198 				# amount of time to complete (up to 4min) on a physical system leading to a potential
00:31:03.993     199 				# job timeout. Avoid that by skipping these tests - this should not affect the coverage
00:31:03.993     200 				# since dd tests are still run as part of the vg jobs.
00:31:03.993     201 				if [[ $SPDK_TEST_CRYPTO -eq 0 ]]; then
00:31:03.993  => 202 					run_test "spdk_dd" $rootdir/test/dd/dd.sh
00:31:03.993     203 				fi
00:31:03.993     204 			fi
00:31:03.993     205 		fi
00:31:03.993     206 	
00:31:03.993     207 		if [ $SPDK_TEST_NVME -eq 1 ]; then
00:31:03.993       ...
00:31:03.993  
00:31:03.993  ========== Backtrace end ==========