panic: pmap_remove_ptes: unmanaged page marked PG_PVLIST: va 0x71f444e16000, opte 0xffffffffffffffff
Starting stack trace...
panic(ffffffff8343d3c8) at panic+464
pmap_remove_pte(fffffd800bc4da00,fffffd80090f7758,7fb8fa227000,71f444e00000,71f444ecc000,0) at pmap_remove_pte
pmap_do_remove(fffffd800bc4da00,71f444dcd000,71f444ecc000,0) at pmap_do_remove+1417
uvm_unmap_kill_entry_withlock(fffffd800b0635b8,fffffd80715d08e8,0) at uvm_unmap_kill_entry_withlock+617
uvm_map_teardown(fffffd800b0635b8) at uvm_map_teardown+279
exit1(ffff80003c41ba20,0,0,1) at exit1+1788
sys_exit(ffff80003c41ba20,ffff80003c4252a0,ffff80003c4251f0) at sys_exit+26
syscall(ffff80003c4252a0) at syscall+2839
Xsyscall() at Xsyscall+296
end of kernel
end trace frame: 0x71f444eccaf0, count: 248
End of stack trace.