FreeBSD-main-amd64-test - Build #22840 - Still Unstable

FreeBSD-main-amd64-test - Build #22840 (03a1b75950c95cd9360e5c283219b886d36afb53) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/22840/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/22840/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/22840/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)

ffc58e2ca36546d866bb6bd36a3aa8f762a01663 by adrian:
asmc: Add MacbookAir6,2

03a1b75950c95cd9360e5c283219b886d36afb53 by imp:
elf: EF_ARM_EABI_VERSION_UNKNOWN is no longer used, retire



The failed test cases:

6 tests failed.
FAILED:  sys.kern.ptrace_test.ptrace__getppid

Error Message:
/usr/src/tests/sys/kern/ptrace_test.c:1082: read(cpipe[0], &ppid, sizeof(ppid)) (0) == (ssize_t)sizeof(ppid) (4) not met

FAILED:  lib.libc.time.mktime_test.timegm_epoch

Error Message:
/usr/src/contrib/netbsd-tests/lib/libc/time/t_mktime.c:98: Expected errno 0, got 84, in t == (time_t)0

FAILED:  usr.sbin.etcupdate.preworld_test.main

Error Message:
Returned non-success exit status 1

FAILED:  sys.aio.aio_test.aio_socket_blocking_short_write

Error Message:
Test case body timed out

FAILED:  sys.aio.aio_test.aio_socket_blocking_short_write_vectored

Error Message:
Test case body timed out

FAILED:  sys.aio.aio_test.aio_socket_short_write_cancel

Error Message:
/usr/src/tests/sys/aio/aio_test.c:1396: aio_error(&iocb) == EINPROGRESS not met