panic: mutex 0xfffffd806cd41830 not held in mtx_leave
Starting stack trace...
panic(ffffffff830777cb) at panic+0x1d0 sys/kern/subr_prf.c:229
mtx_leave(fffffd806cd41830) at mtx_leave+0x17c sys/kern/kern_lock.c:335
msleep(fffffd806cd41748,fffffd806cd41830,4,ffffffff832017c0,0) at msleep+0x125 sys/kern/kern_synch.c:249
vm_map_lock_ln(fffffd806cd41718,ffffffff8303c0ac,6f3) at vm_map_lock_ln+0xd4 sys/uvm/uvm_map.c:5250
uvmfault_lookup(ffff800034fb6c10,1) at uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1779
uvm_fault_check(ffff800034fb6c10,ffff800034fb6c48,ffff800034fb6c70) at uvm_fault_check+0x83e uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline]
uvm_fault_check(ffff800034fb6c10,ffff800034fb6c48,ffff800034fb6c70) at uvm_fault_check+0x83e sys/uvm/uvm_fault.c:710
uvm_fault(fffffd806cd41718,d90d9cf4000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600
upageflttrap(ffff800034fb6d90,d90d9cf4000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188
usertrap(ffff800034fb6d90) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0xd911e497e50, count: 247
End of stack trace.