[  70.0457481] panic: Kernel lock error: _kernel_lock,186: assertion failed: l->l_blcnt == 0

[  70.0457481] lock address : 0xffffffff82d80ec0 type     :               spin
[  70.0457481] initialized  : 0xffffffff81a40a35
[  70.0457481] shared holds :                  0 exclusive:                  1
[  70.0457481] shares wanted:                  0 exclusive:                  0
[  70.0457481] current cpu  :                  0 last held:                  0
[  70.0457481] current lwp  : 0xffffd58011fcd400 last held: 0xffffd58011fcd400
[  70.0457481] last locked* : 0xffffffff80c20f05 unlocked : 0xffffffff811a4a24
[  70.0457481] curcpu holds :                  0 wanted by: 000000000000000000