I was there (25 de Mayo) in mid-August, a little before 0800, and the lines were worse than I've ever seen. The security guy at the door recommended that I return some morning by 0200, to be sure of getting in. Nothing was said about the office not functioning - only that they were admitting no more than 200 people per day, and that on the typical day, more than 200 had lined up by 0400.
(By way of background, I lost my DNI last September. Got the police denuncia the same day and went to the Registro the following morning, where I received a turno for July 26. Unfortunately, I had to go up to the US for a family funeral, and I missed the turno.)