[  50.1699480] panic: LOCKDEBUG: Mutex error: mutex_vector_enter,467: locking against myself
[  50.1800188] cpu0: Begin traceback...
[  50.1800188] 0xc7a29ac4: netbsd:db_panic+0xc
[  50.1900018] 0xc7a29adc: netbsd:vpanic+0x120
[  50.1999533] 0xc7a29af4: netbsd:aprint_debug
[  50.1999533] 0xc7a29b34: netbsd:lockdebug_abort1+0x18c
[  50.2099719] 0xc7a29b74: netbsd:lockdebug_wantlock+0x1e8
[  50.2199525] 0xc7a29bb4: netbsd:mutex_enter+0x288
[  50.2299642] 0xc7a29be4: netbsd:wm_intr_legacy+0x9c
[  50.2299642] 0xc7a29c2c: netbsd:i80321_intr_dispatch+0x138
[  50.2399631] 0xc7a29de4: netbsd:irq_entry+0x98
[  50.2499452] 0xc7a29e24: netbsd:entropy_enter+0x88
[  50.2599996] 0xc7a29e6c: netbsd:rnd_add_data_1+0x50
[  50.2699565] 0xc7a29ebc: netbsd:rnd_add_data+0x10c
[  50.2699565] 0xc7a29ed4: netbsd:rnd_add_uint32+0x28
[  50.2799524] 0xc7a29f1c: netbsd:wm_txeof+0x2c0
[  50.2899527] 0xc7a29f5c: netbsd:wm_handle_queue+0x44
[  50.3000257] 0xc7a29fac: netbsd:softint_thread+0x130
[  50.3100119] cpu0: End traceback...
Stopped in pid 0.3 (system) at  netbsd:cpu_Debugger+0x4:        bx      r14
db> show all locks
[Locks tracked through LWPs]

****** LWP 91.91 (ftp) @ 0xc14d9240, l_stat=2

*** Locks held:

* Lock 0 (initialized at vcache_alloc)
lock address : 0x00000000c1599540 type     :     sleep/adaptive
initialized  : 0x00000000c0547a48
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  0
relevant cpu :                  0 last held:                  0
relevant lwp : 0x00000000c14d9240 last held: 0x00000000c14d9240
last locked* : 0x00000000c055edf8 unlocked : 0x00000000c055ee4c
owner/count  : 0x00000000c14d9240 flags    : 0x0000000000000004
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

[Locks tracked through CPUs]

******* Locks held on cpu0:

* Lock 0 (initialized at wm_alloc_txrx_queues.part.0)
lock address : 0x00000000c12b0f30 type     :               spin
initialized  : 0x00000000c023d4a8
shared holds :                  0 exclusive:                  1
shares wanted:                  0 exclusive:                  1
relevant cpu :                  0 last held:                  0
relevant lwp : 0x00000000c12c6300 last held: 0x00000000c12c6300
last locked* : 0x00000000c02497cc unlocked : 0x00000000c0575cf0
owner field  : 0x0000000000010500 wait/spin:                0/1

db>