panic: init died (signal 0, exit 25)
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*404339      1      0  0x10080002     0x2000    0  init
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff83424df2) at panic+0x1cf sys/kern/subr_prf.c:198
exit1(ffff80002a70dc88,19,0,1) at exit1+0x127 sys/kern/kern_exit.c:135
sys_exit(ffff80002a70dc88,ffff80002a70bf30,ffff80002a70be80) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002a70bf30) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a70bf30) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7d1f949b5990, count: 9
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports.  Insufficient info makes it difficult to find and fix bugs.
ddb> 
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
*cpu0: init died (signal 0, exit 25)
ddb>