GNU bug report logs - #71289
30.0.50; cmcheckmagic aborts when tty_write_glyphs writes "Garbage collecting..." in some cases

Previous Next

Full log

Message #17 received at 71289 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Daniel Clemente <n142857 <at> gmail.com>
Cc: 71289 <at> debbugs.gnu.org
Subject: Re: bug#71289: 30.0.50; cmcheckmagic aborts when tty_write_glyphs
 writes "Garbage collecting..." in some cases
Date: Fri, 31 May 2024 21:17:50 +0300

> From: Daniel Clemente <n142857 <at> gmail.com>
> Date: Fri, 31 May 2024 17:07:45 +0000
> Cc: 71289 <at> debbugs.gnu.org
> 
> > Thanks, but these backtraces are not enough, because they don't
> > explain why was emacs_abort called.  We need to see all the values
> > involved in this condition:
> >
> >  if (curX (tty) == FrameCols (tty))
> >    {
> >      if (!MagicWrap (tty) || curY (tty) >= FrameRows (tty) - 1) <<<<<<<<<<<
> >        emacs_abort ();
> 
> 
> These were the variables just before emacs_abort, and (abort==1) when aborting.
> 
> At point cmcheckmagic, ¿abort? 0. MagicWrap 1, curY 0, vs. 3 - 1. Now
> tty has 3 rows, 14 cols
> At point cmcheckmagic, ¿abort? 0. MagicWrap 1, curY 1, vs. 3 - 1. Now
> tty has 3 rows, 14 cols
> At point cmcheckmagic, ¿abort? 1. MagicWrap 1, curY 3, vs. 3 - 1. Now
> tty has 3 rows, 14 cols

So you are saying that the terminal lies to us?  It has 3 rows, but
somehow wraps the cursor to the 4th row?  What are the window and
frame dimensions at this point?

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.