panic: pmap_remove_ptes: unmanaged page marked PG_PVLIST: va 0xfec0fa16000, opte 0xffffffffffffffff
Starting stack trace...
panic(ffffffff83401441) at panic+0x1ba sys/kern/subr_prf.c:229
pmap_remove_pte(fffffd806cc2aa28,fffffd8006dee300,7f87f607d000,fec0fa00000,fec0fa9e000,0) at pmap_remove_pte
pmap_do_remove(fffffd806cc2aa28,fec0f994000,fec0fa9e000,0) at pmap_do_remove+0x53a sys/arch/amd64/amd64/pmap.c:1920
uvm_unmap_kill_entry_withlock(fffffd806f3db458,fffffd806cc1ea00,0) at uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1863
uvm_map_teardown(fffffd806f3db458) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline]
uvm_map_teardown(fffffd806f3db458) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2491
exit1(ffff80002a7b0d20,43,0,1) at exit1+0x6e6 sys/kern/kern_exit.c:259
sys_exit(ffff80002a7b0d20,ffff8000381135a0,ffff8000381134f0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff8000381135a0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000381135a0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x75f2890ec4f0, count: 248
End of stack trace.