Subject: bug#13628: 24.3.50; Error when finishing tetris

From: Glenn Morris <[email-masked]>
Date: Tue, 05 Feb 2013 02:58:23 -0500

David Kastrup wrote:

> After finishing Tetris, a backtrace gets produced:
>
> Debugger entered--Lisp error: (wrong-type-argument arrayp nil)
>   gamegrid-set-face(7)
>   gamegrid-set-cell(3 1 7)
>   tetris-erase-shape()
>   tetris-move-bottom()
>   call-interactively(tetris-move-bottom nil nil)

I can't reproduce this. Is it repeatable? Is there a recipe from emacs -Q?
It suggests gamegrid-display-table and/or gamegrid-face-table are nil,
which could only happen if some buffer switching occurs, I guess.