FreeBSD-stable-14-amd64-test - Build #310 - Still Unstable

FreeBSD-stable-14-amd64-test - Build #310 (2ff28c64288eefab4962f0e826d776dc30287aef) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/310/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/310/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/310/console

Status explanation:
"Unstable" - some tests are suspected being broken by the following changes
"Still Unstable" - the failing test cases have not been fixed by these
                   following changes and this is a notification to note that
                   these changes have not been fully tested by the CI system

Change summaries:
(Those commits are likely but not certainly responsible)

a76475313d6580cb36eb940d5730407d832246de by kib:
mlx5(4): only detach IOV children if iov was successfully initialized

384c72acb50d3fd5a3bd07f41d3755867865c0b6 by kib:
nfsclient copy_file_range(): flush dst vnode data

09c69decd208d3ccd4dd54ea67c14b48c012c58c by kib:
nfsclient: flush dirty pages of the vnode

62b0cb23784b282dc771057589a1481bb1ab50cf by kib:
nfsclient: eliminate ncl_writebp()

dc024acd51740f794d09fc478be6a4f046766ba4 by kib:
vtruncbuf: add a comment explaining the purpose of the loop

9e951d6b4b708fad9993aca0a1cede1c74d735e0 by kib:
vtruncbuf: improve the check for meta buffer

cbf323cf503b69516ef19542c4630c0d42d74b05 by kib:
nfsclient: limit situations when we do unlocked read-ahead by nfsiod

2ff28c64288eefab4962f0e826d776dc30287aef by kib:
ffs/ffs_rawread.c: clean up includes



The failed test cases:

5 tests failed.
FAILED:  sys.geom.class.gate.ggate_test.ggatec_trim

Error Message:
atf-check failed; see the output of the test for details

FAILED:  sys.kern.ptrace_test.ptrace__follow_fork_parent_detached_unrelated_debugger

Error Message:
/usr/src/tests/sys/kern/ptrace_test.c:592: WIFSTOPPED(status) not met

FAILED:  sys.netinet6.test_ip6_output.py.TestIP6OutputLoopback::test_output6_self_tcp[ll-no_sav]

Error Message:
/usr/tests/atf_python/sys/net/tools.py:93: IndexError

FAILED:  sys.netpfil.pf.scrub_compat.no_scrub_v4

Error Message:
atf-check failed; see the output of the test for details

FAILED:  sys.netlink.test_netlink_message_writer.py.__test_cases_list__

Error Message:
Test program did not exit cleanly