FreeBSD-main-amd64-test - Build #24972 - Still Unstable

FreeBSD-main-amd64-test - Build #24972 (c802b486ddfd796ea35b770148af9a5b0cd0ee64) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/24972/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/24972/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/24972/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)

69d5783ae81b74295118950d01b6dddb3e504a56 by kib:
wmemchr(3): fix prototypes for wcpcpy() and wcpncpy()

7e6437c08415ade75403f1ecad75167257e8ea3c by andrew:
arm64: Support passing more registers to signals

fd6b1cc34e4175c1e223f42540debb74cfe3c3e6 by andrew:
libc/aarch64: Copy the trivial getcontextx

5202ca77aaf552310bcbaccba750ee9f0888d0d8 by andrew:
libc/aarch64: Add a non-trivial getcontextx

12257233e8fd94ab24e1a84ad87126af2a7be33b by andrew:
arm64: Split out a savectx version of vfp_save_state

ed3c6cd76de8560c46607abe506a03568e9acab2 by andrew:
arm64: Mask non-debug exceptions when single stepping

2e2c983d5234cb5457548fc75608d93b2309b254 by andrew:
arm64: Always set the debug control and value regs

d93b3a65f7697630ca1dd2635fc976f3ef36b602 by andrew:
arm64: Use a switch to decide when to enable debug

c802b486ddfd796ea35b770148af9a5b0cd0ee64 by andrew:
arm64: Add EL1 hardware breakpoint exceptions



The failed test cases:

2 tests failed.
FAILED:  sys.fs.tmpfs.times_test.empty

Error Message:
Test case was expecting a failure but none were raised

FAILED:  cddl.usr.sbin.zfsd.zfsd_unittest.main

Error Message:
Received signal 6