[   4.5013541] panic: LOCKDEBUG: Mutex error: mutex_vector_enter,514: spin lock held
[   4.5042737] cpu1: Begin traceback...
[   4.5101160] vpanic() at netbsd:vpanic+0x244 sys/kern/subr_prf.c:336
[   4.5276509] snprintf() at netbsd:snprintf
[   4.5422502] lockdebug_more() at netbsd:lockdebug_more
[   4.5597638] lockdebug_barrier() at netbsd:lockdebug_barrier+0xfe sys/kern/subr_lockdebug.c:646
[   4.5743623] mutex_enter() at netbsd:mutex_enter+0x80e sys/kern/kern_mutex.c:514
[   4.5919277] vmem_rehash_all() at netbsd:vmem_rehash_all+0x252 vmem_rehash sys/kern/subr_vmem.c:831 [inline]
[   4.5919277] vmem_rehash_all() at netbsd:vmem_rehash_all+0x252 sys/kern/subr_vmem.c:1446
[   4.6094003] workqueue_worker() at netbsd:workqueue_worker+0x1d8 workqueue_runlist sys/kern/subr_workqueue.c:104 [inline]
[   4.6094003] workqueue_worker() at netbsd:workqueue_worker+0x1d8 sys/kern/subr_workqueue.c:133
[   4.6152452] cpu1: End traceback...
[   4.6181572] fatal breakpoint trap in supervisor mode
[   4.6181572] trap type 1 code 0 rip 0xffffffff8021e4b5 cs 0x8 rflags 0x246 cr2 0x7e55db401800 ilevel 0x8 rsp 0xffffc1817ec12b40
[   4.6210749] curlwp 0xffffc1801268c6c0 pid 0.29 lowest kstack 0xffffc1817ec0b2c0
Stopped in pid 0.29 (system) at netbsd:breakpoint+0x5:  leave
db{1}>