[   1.0000000] panic: LOCKDEBUG: Mutex error: _mutex_init,363: already initialized
[   1.0000000] cpu0: Begin traceback...
[   1.0000000] vpanic() at netbsd:vpanic+0x241 sys/kern/subr_prf.c:336
[   1.0000000] snprintf() at netbsd:snprintf
[   1.0000000] lockdebug_more() at netbsd:lockdebug_more
[   1.0000000] lockdebug_alloc() at netbsd:lockdebug_alloc+0x117 sys/kern/subr_lockdebug.c:265
[   1.0000000] _mutex_init() at netbsd:_mutex_init+0x7f _mutex_init sys/kern/kern_mutex.c:363 [inline]
[   1.0000000] _mutex_init() at netbsd:_mutex_init+0x7f sys/kern/kern_mutex.c:345
[   1.0000000] sleeptab_init() at netbsd:sleeptab_init+0x36 sleepq_init sys/kern/kern_sleepq.c:96 [inline]
[   1.0000000] sleeptab_init() at netbsd:sleeptab_init+0x36 sys/kern/kern_sleepq.c:83
[   1.0000000] main() at netbsd:main+0x236 sys/kern/init_main.c:433
[   1.0000000] cpu0: End traceback...
[   1.0000000] fatal breakpoint trap in supervisor mode
[   1.0000000] trap type 1 code 0 rip 0xffffffff8021ccb5 cs 0x8 rflags 0x202 cr2 0 ilevel 0x8 rsp 0xffffffff8325fba0
[   1.0000000] curlwp 0xffffffff82b63420 pid 0.1 lowest kstack 0xffffffff832582c0
Stopped in pid 0.1 (system) at  netbsd:breakpoint+0x5:  leave
db{0}>