Season beef with pepper and 1 teaspoon salt. Heat oil in a large pot over medium-high heat. Add the beef and cook until browned on all sides, about 4 minutes. Add wine and bring to boil, scraping up browned bits. Add potatoes, onions, carrots and mushrooms. Cook, stirring occasionally, for 1 minute. Add tomatoes, with their juices, and garlic. Cook, stirring occasionally, for 1 minute.