BUFFALO, N.Y:  Rapper DMX has been sentenced to serve six months in an upstate New York jail for failing to pay child support. The Erie County Sheriff's Office says the 44-year-old rapper whose real name is Earl Simmons was placed in the Erie County Holding Center in Buffalo on Tuesday. A spokesman for the New York City Sheriff's Office tells WPIX-TV that DMX was arrested right before his scheduled performance at Radio City Music Hall on June 26 in New York City for several 'issues outstanding.' Those issues included $400,000 worth of unpaid child support, a warrant issued by the city of White Plains for bail jumping and a robbery complaint out of Newark, New Jersey. No charges have been filed in the Newark case.