Where there is an appeal pending and the circuit court has no jurisdiction, the 90-day dispositional period to address a post-conviction petition is tolled until the court once again has jurisdiction to rule on it.The 1st District Appellate Court vacated and remanded a decision from Cook County Circuit Judge Mary Margaret Brosnahan.Vernon Chapman entered a negotiated plea, pleading guilty to one count of criminal drug conspiracy and receiving a sentence of six years in prison.Chapman filed a petition under the Post …