panic: pmap_remove_ptes: unmanaged page marked PG_PVLIST: va 0x687bf66b000, opte 0x900007fff
Starting stack trace...
panic(ffffffff83436767) at panic+0x1d0 sys/kern/subr_prf.c:229
pmap_remove_pte(fffffd8063c01500,fffffd800889e970,7f8343dfb2a0,687bf654000,687bf75f000,0) at pmap_remove_pte
pmap_do_remove(fffffd8063c01500,687bf654000,687bf75f000,0) at pmap_do_remove+0x589 sys/arch/amd64/amd64/pmap.c:1920
uvm_unmap_kill_entry_withlock(fffffd806c919208,fffffd805ff6a2f8,0) at uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1863
uvm_map_teardown(fffffd806c919208) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline]
uvm_map_teardown(fffffd806c919208) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2486
exit1(ffff80003c422568,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260
sys_exit(ffff80003c422568,ffff80002a30b190,ffff80002a30b0e0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002a30b190) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a30b190) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x720a832c9890, count: 248
End of stack trace.