panic: data abort in critical section or under mutex (was: Re: panic: Unknown kernel exception 0 esr_el1 2000000 (on 14-CURRENT/aarch64 Feb 28))

Hi, Another panic while building world/kernel. Different panic message and trace. x0: 1f5e152c32cc x1: b630a000 (g_ctx + b4c4a254)

panic: Unknown kernel exception 0 esr_el1 2000000 (on 14-CURRENT/aarch64 Feb 28)

Hi, Repeated panics on 14-CURRENT/aarch64. This happens e.g. when the nigthly backup is started. # uname -a FreeBSD rpi4 14.0-CURRENT FreeBSD 14.0-CURRENT #22 main-5f702d6d9a: Mon Feb 28 06:12:48 CET 2022 ronald@rpi4:/home/ronald/dev/obj/home/ronald/dev/freebsd/arm64.aarch64/sys/GENERIC-NO