The same failure could be found with btrfs filesystem as well.
generic/553 - output mismatch (see /home/ubuntu/autotest/client/tmp/ubuntu_xfstests_btrfs/src/xfstests-bld/xfstests-dev/results//generic/553.out.bad) --- tests/generic/553.out 2019-10-16 10:51:13.164700997 +0000 +++ /home/ubuntu/autotest/client/tmp/ubuntu_xfstests_btrfs/src/xfstests-bld/xfstests-dev/results//generic/553.out.bad 2019-10-16 12:32:01.980936086 +0000 @@ -2,4 +2,3 @@ immutable file returns EPERM wrote 65536/65536 bytes at offset 0 XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) -copy_range: Operation not permitted ... (Run 'diff -u /home/ubuntu/autotest/client/tmp/ubuntu_xfstests_btrfs/src/xfstests-bld/xfstests-dev/tests/generic/553.out /home/ubuntu/autotest/client/tmp/ubuntu_xfstests_btrfs/src/xfstests-bld/xfstests-dev/results//generic/553.out.bad' to see the entire diff)
The same failure could be found with btrfs filesystem as well.
generic/553 - output mismatch (see /home/ubuntu/ autotest/ client/ tmp/ubuntu_ xfstests_ btrfs/src/ xfstests- bld/xfstests- dev/results/ /generic/ 553.out. bad) 553.out 2019-10-16 10:51:13.164700997 +0000 autotest/ client/ tmp/ubuntu_ xfstests_ btrfs/src/ xfstests- bld/xfstests- dev/results/ /generic/ 553.out. bad 2019-10-16 12:32:01.980936086 +0000 autotest/ client/ tmp/ubuntu_ xfstests_ btrfs/src/ xfstests- bld/xfstests- dev/tests/ generic/ 553.out /home/ubuntu/ autotest/ client/ tmp/ubuntu_ xfstests_ btrfs/src/ xfstests- bld/xfstests- dev/results/ /generic/ 553.out. bad' to see the entire diff)
--- tests/generic/
+++ /home/ubuntu/
@@ -2,4 +2,3 @@
immutable file returns EPERM
wrote 65536/65536 bytes at offset 0
XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
-copy_range: Operation not permitted
...
(Run 'diff -u /home/ubuntu/