panic: pmap_remove_ptes: unmanaged page marked PG_PVLIST: va 0xdbb20616000, opte 0xffffffffffffffff
Starting stack trace...
panic(ffffffff8343a13b) at panic+0x1d0 sys/kern/subr_prf.c:229
pmap_remove_pte(fffffd8074e77100,fffffd800886e1d0,7f86dd903008,dbb20601000,dbb2070c000,0) at pmap_remove_pte
pmap_do_remove(fffffd8074e77100,dbb20601000,dbb2070c000,0) at pmap_do_remove+0x589 sys/arch/amd64/amd64/pmap.c:1920
uvm_unmap_kill_entry_withlock(fffffd800b0631e8,fffffd806c86e758,0) at uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1863
uvm_map_teardown(fffffd800b0631e8) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline]
uvm_map_teardown(fffffd800b0631e8) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2486
exit1(ffff80003c417788,b,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260
sys_exit(ffff80003c417788,ffff80003c4ccf60,ffff80003c4cceb0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c4ccf60) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c4ccf60) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x71b8eb75dc60, count: 248
End of stack trace.