GNU bug report logs - #35784
(force-window-update <DELETED-WINDOW>) segfaults

Previous Next

Full log

View this message in rfc822 format

From: Eli Zaretskii <eliz <at> gnu.org>
To: martin rudalics <rudalics <at> gmx.at>
Cc: 35784 <at> debbugs.gnu.org, npostavs <at> gmail.com, marc <at> bloodnok.com
Subject: bug#35784: emacs 26 crash
Date: Sat, 18 May 2019 20:43:09 +0300

> Cc: 35784 <at> debbugs.gnu.org, marc <at> bloodnok.com
> From: martin rudalics <rudalics <at> gmx.at>
> Date: Sat, 18 May 2019 19:30:50 +0200
> 
>  > This seems to imply that we are trying to update a non-leaf window,
>  > something that should never happen.  There's no Lisp-level backtrace,
>  > so it's hard to tell what Lisp called force-window-update, and how the
>  > window in question became non-leaf, but maybe some crazy Lisp hook
>  > switched windows behind redisplay's back or something.
> 
> I'd rather guess that this is the result of 'kill-buffer' called from
> 'delete-frame-functions' or 'delete-frame' called from
> 'kill-buffer-hook'.

kill-buffer is supposed to replace the killed buffer with another in
all windows, so we shouldn't end up with a window's buffer being nil.
But I'm louse at guessing causes for problems just by looking at them,
so you may be right.

Previous Next

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