FreeBSD-stable-14-amd64-test - Build #904 - Still Unstable

FreeBSD-stable-14-amd64-test - Build #904 (e922268736817e6fe8146f46093a0153af949041) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/904/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/904/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-stable-14-amd64-test/904/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)

5edda2488cc5b9603920908f9fed734b7a1bfb79 by christos:
sound: Unit test the pcm sample read and write macros

6819621ec9994689cd8626af3e935fbbaa20cd5a by christos:
sound: Safely remove channel from list in one pass

e4458d4d71c4c533712ca8417251f0dff6d3168e by christos:
sound: Make CHN_REMOVE_SAFE() the default

afa1ba3b9c7a5076f8d981f8491740eed3ad9e78 by christos:
sound tests: Fix gcc build

e922268736817e6fe8146f46093a0153af949041 by christos:
sound tests: Fix 32bit calculation detection in pcm_read_write



The failed test cases:

6 tests failed.
FAILED:  sys.net.routing.test_routing_l3.py.TestIfOps::test_change_prefix_route[inet]

Error Message:
/usr/tests/sys/net/routing/test_routing_l3.py:42: AssertionError

FAILED:  sys.kern.sigsys.sigsys_test_off

Error Message:
/usr/src/tests/sys/kern/sigsys.c:70: sysctlbyname(name, &oldval, &oldlen, NULL, 0) == 0 not met

FAILED:  sys.kern.sigsys.sigsys_test_on

Error Message:
/usr/src/tests/sys/kern/sigsys.c:70: sysctlbyname(name, &oldval, &oldlen, NULL, 0) == 0 not met

FAILED:  usr.bin.grep.grep_test.recurse_symlink

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

FAILED:  sys.netmap.ctrl-api-test.main

Error Message:
Returned non-success exit status 255

FAILED:  sys.netlink.test_netlink_message_writer.py.__test_cases_list__

Error Message:
Test program did not exit cleanly