Merge pull request openzfs#781 from delphix/dlpx/pr/bharath.malemarpu…

…ram/957ea4f7-d0ae-4d72-b281-a620d3c5f9bd

QA-38583 zfs_clone_livelist_condense_and_disable fails with "Unexpected livelist size" on object store

tests/zfs-tests/tests/functional/cli_root/zfs_destroy/zfs_clone_livelist_condense_and_disable.ksh

@@ -44,15 +44,24 @@ function cleanup
 
 function check_ll_len
 {
-    string="$(zdb -vvvvv $TESTPOOL | grep "Livelist")"
+    zdb_output=$(mktemp)
+    run_zdb -e "-vvvvv" -p "$TESTPOOL" > "$zdb_output" 2>&1
+	if [[ $? -ne 0 ]]; then
+        log_note "Output: zdb -vvvvv $TESTPOOL"
+        cat "$zdb_output"
+        rm -f "$zdb_output"
+        log_fail "zdb detected errors with: '$TESTPOOL'"
+    fi
+    string=$(grep "Livelist" "$zdb_output")
     substring="$1"
     msg=$2
     if test "${string#*$substring}" != "$string"; then
         return 0    # $substring is in $string
     else
-	log_note $string
+        log_note $string
         log_fail "$msg" # $substring is not in $string
     fi
+    rm -f "$zdb_output"
 }
 
 function test_condense