GNU bug report logs - #69140
30.0.50; [elpa/vertico] Emacs with vertico-mode freezes if font is too big

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Message #14 received at 69140 <at> debbugs.gnu.org (full text, mbox):

From: Aleksandr Vityazev <avityazev <at> disroot.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Po Lu <luangruo <at> yahoo.com>, mail <at> daniel-mendler.de, 69140 <at> debbugs.gnu.org
Subject: Re: bug#69140: 30.0.50; [elpa/vertico] Emacs with vertico-mode
 freezes if font is too big
Date: Thu, 15 Feb 2024 20:15:13 +0300

[Message part 1 (text/plain, inline)]

On 2024-02-15 15:46, Eli Zaretskii wrote:

>> Cc: mail <at> daniel-mendler.de
>> Date: Thu, 15 Feb 2024 14:23:28 +0300
>> From:  Aleksandr Vityazev via "Bug reports for GNU Emacs,
>>  the Swiss army knife of text editors" <bug-gnu-emacs <at> gnu.org>
>> 
>> Vertico version 1.7, version 1.3 has also been tested, is incompatible
>> with the changes made by the commit -
>> caea0c1649d1df96b811c1388fde396e66bc356b. This commit was found via
>> git bisect.
>> 
>> To reproduce:
>> 1. Run emacs -Q
>> 2. M-x load-library vertico RET
>> 3. M-x vertico-mode RET
>> 4. Set a large font, the following is suitable for my 13 inch monitor:
>> (set-face-attribute 'default nil :family "monospace" :height 440)
>> 5. Call M-x
>> Emacs should freeze, sometimes you can unfreeze it with a few presses
>> of C-g
>
> Thanks, but why do you think the bug is in Emacs and not in vertico?
> The fact that you can unfreeze Emacs with C-g indicates that some Lisp
> is involved in what probably is an infloop.  At the very least, could
> you please catch a Lisp backtrace when you type C-g, so that we could
> see what Lisp is involved?  Also, what exactly does vertico do with
> resizing the mini-window, and what should be the value of
> resize-mini-windows for reproducing this issue.

resize-mini-windows is set to default ‘grow-only’
All vertico customs are also default.

I couldn’t reproduce it any other way, but it seemed to me that there
might be some problems with the redisplay. 

I couldn't get a backtrace because if you set the debug-on-quit to t,
then C-g no longer helps. 2 screenshots in the attachment, but the
backtrace is only partially visible.

I'm not very familiar with gdb, I'll look into the matter and attach the
backtraces.

[5364223907583875189_119.jpg (image/jpeg, attachment)]

[5364223907583875234_119.jpg (image/jpeg, attachment)]

[Message part 4 (text/plain, inline)]

-- 
Best regards,
Aleksandr Vityazev

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