Zenarch said:in a battle, whenever my dog is knocked unconscious the game freezes,
a alternative is to check the modding section, you could remove dogs from battle (new rule), make them immortal (new rule), etc. If you want to explore this path:
https://forums.taleworlds.com/index.php/topic,347990.0.html
game code is available and by modding you can change pretty much any rule in the game.