This just started happening recently. If I have my pet on PASSIVE and HERE and he loses sight of his target he will start running. This is nothing new, what is new is I have no way to get him back. I can spam HERE over and over and the pet will turn briefly then turn back and keep running to the mob.

I have never had this happen on PASSIVE, only on guard. The only solution I have found is to use passive/stay. Again this only happens if I am casting and line of sight breaks like lizards down in barrows or other mobs that run through walls/floors.

I think you have to hit Passive and Stay/Follow I don't remember right now. Its not so bad to circumvent