Pressure cooker Beef Bourguignon

Name: Pressure cooker Beef Bourguignon
Ingredients: 2.5 lb beef cross cut shank with bones, cut into 1 inch chunks; 4 tsp salt; 2 tsp black pepper; 5 slices bacon, cut into small pieces; 32 oz baby bella mushroom, cut into your preferred bite size; 2 Tbl butter; 1 bottle dry red wine (16 oz); 1 lb carrots, cut into 3/4 inch chunks; 2 onions, cut into cubes; 3 cloves garlic, minced; 1 Tbl tomato paste; 8 oz beef broth; 2 Tsp dry thyme; 2 Tbl all-purpose flour; 1 Tbl potato flour; Fresh chopped parsley (for serving)