GNU bug report logs - #79010
Emacs freezes, leaving small gray buffer-menu popup on screen.

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From: Eli Zaretskii <eliz <at> gnu.org>
To: jeffbrown.the <at> gmail.com
Cc: 79010 <at> debbugs.gnu.org
Subject: bug#79010: Emacs freezes, leaving small gray buffer-menu popup on screen.
Date: Sat, 26 Jul 2025 11:52:57 +0300

Ping!  Jeffrey, any progress with this?

> Cc: 79010 <at> debbugs.gnu.org
> Date: Mon, 14 Jul 2025 14:07:59 +0300
> From: Eli Zaretskii <eliz <at> gnu.org>
> 
> > From: Jeffrey Brown <jeffbrown.the <at> gmail.com>
> > Date: Sun, 13 Jul 2025 14:29:35 -0500
> > 
> > I have attached a screenshot. Notice the little gray buffer-menu popup on the right side. I don't know why it
> > popped up. (I switch buffers using `C-x C-b` or `Ctrl-TAB`. I was not trying to switch buffers when it crashed,
> > but I may have mis-typed some key command.)
> > emacs-crashes-with-popup-buffer-menu.png
> > 
> > The popup was surprisingly persistent. It stayed overlaid on my screen even as I navigated to a different
> > desktop, away from the one with Emacs. (The main Emacs windows did not disappear, but unlike the popup
> > it behaved itself, staying on the desktop where I had launched it.) The main window eventually became gray.
> > (I have no screenshot of the window once it had turned gray, only before.)
> > 
> > Normally I kill emacs and restart. This time that didn't work, until I used the `-9` option to the `kill` shell
> > command.
> > 
> > This kind of crash has happened to me many times before, at least once a week for, I think, months. Sorry
> > for not reporting sooner.
> 
> Please run Emacs under GDB (assuming that your Emacs binary is not
> stripped of debugging symbols), and when it crashes like this next
> time, and G|DB kicks in, type the following at the GDB prompt:
> 
>   (gdb) thread apply all bt
> 
> and post here everything that GDB prints as result.
> 
> Also, please invoke "M-x report-emacs-bug" and post here all the
> information about your system and Emacs build and configuration which
> that command collects.
> 
> Thanks.
> 
> 
> 
> 

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