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panic: pmap_remove_ptes: unmanaged page marked PG_PVLIST: va 0x7c6d78216000, opte 0xffffffffffffffff
Starting stack trace...
panic(ffffffff834d1a2c) at panic+0x1d0 sys/kern/subr_prf.c:229
pmap_remove_pte(fffffd806c673b00,fffffd8008963c38,7fbe36bc1000,7c6d78200000,7c6d782d5000,0) at pmap_remove_pte
pmap_do_remove(fffffd806c673b00,7c6d77bd5000,7c6d782d5000,0) at pmap_do_remove+0x589 sys/arch/amd64/amd64/pmap.c:1920
uvm_unmap_kill_entry_withlock(fffffd800c1fd028,fffffd800beb0500,0) at uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1869
uvm_map_teardown(fffffd800c1fd028) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline]
uvm_map_teardown(fffffd800c1fd028) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497
exit1(ffff8000373d0568,43,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260
sys_exit(ffff8000373d0568,ffff80002a34a2d0,ffff80002a34a220) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80002a34a2d0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a34a2d0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7c6d783d4c10, count: 248
End of stack trace.