[  82.1192588] panic: LOCKDEBUG: Reader / writer lock error: rw_vector_enter,292: locking against myself
[  82.1288160] cpu0: Begin traceback...
[  82.1384856] vpanic() at netbsd:vpanic+0x241 sys/kern/subr_prf.c:336
[  82.1785435] snprintf() at netbsd:snprintf
[  82.2085898] lockdebug_more() at netbsd:lockdebug_more
[  82.2486492] lockdebug_wantlock() at netbsd:lockdebug_wantlock+0x281 sys/kern/subr_lockdebug.c:469
[  82.2887106] rw_enter() at netbsd:rw_enter+0x5e3 sys/kern/kern_rwlock.c:292
[