panic: pmap_remove_ptes: unmanaged page marked PG_PVLIST: va 0x8271ea16000, opte 0xffffffffffffffff Starting stack trace... panic(ffffffff834411a3) at panic+0x1d0 sys/kern/subr_prf.c:229 pmap_remove_pte(fffffd806c9c0a00,fffffd80088b6290,7f84138f5000,8271ea00000,8271eb0a000,0) at pmap_remove_pte pmap_do_remove(fffffd806c9c0a00,8271ea00000,8271eb0a000,0) at pmap_do_remove+0x589 sys/arch/amd64/amd64/pmap.c:1920 uvm_unmap_kill_entry_withlock(fffffd806d988028,fffffd800c8d88b0,0) at uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1863 uvm_map_teardown(fffffd806d988028) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd806d988028) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2486 exit1(ffff80003c40afc0,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff80003c40afc0,ffff80002a364190,ffff80002a3640e0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a364190) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a364190) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79bf983ead10, count: 248 End of stack trace.