#!panic: mutex 0xfffffd806c3f3f30 not held in mtx_leave
Starting stack trace...
panic(ffffffff830777cb) at panic+0x1d0 sys/kern/subr_prf.c:229
mtx_leave(fffffd806c3f3f30) at mtx_leave+0x17c sys/kern/kern_lock.c:335
msleep(fffffd806c3f3e48,fffffd806c3f3f30,4,ffffffff832017c0,0) at msleep+0x125 sys/kern/kern_synch.c:249
vm_map_lock_ln(fffffd806c3f3e18,4c854ffb000,0) at vm_map_lock_ln+0xd4 sys/uvm/uvm_map.c:5250
uvm_map_protect(fffffd806c3f3e18,4c854dfb000,4c854ffb000,3,0,0,6c4543493bbae978) at uvm_map_protect+0xe1 sys/uvm/uvm_map.c:3059
sys_mprotect(ffff80002a09d480,ffff80002a104840,ffff80002a104790) at sys_mprotect+0x34c sys/uvm/uvm_mmap.c:585
syscall(ffff80002a104840) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff80002a104840) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7006be1c8bc0, count: 249
End of stack trace.