Some bare facts: over 400,000 voters were left out of the new NC House, Senate, and the US Congressional maps, mainly because of the splitting of precincts between two and sometimes three different voting districts.
Leslie: "Legislative staff and lawmakers were in agreement that the mistakes in the current bill make it unconstitutional. Some districts aren’t contiguous, while others have too many or too few voters."
The "fix" that the Republicans performed yesterday is also unconstitutional, according to Rep. Rick Glazier, absent the judicial system's involvement, so it seems fairly certain that some judge is eventually going to be sorting out this mess for months to come.
Leslie wrote more on the "unconstitutional" issue here.