GNU bug report logs - #79308
30.2; Maximum buffer size exceeded when running package-list-packages

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Enrico Rivarola <henry_thebuilder <at> yahoo.it>
Cc: 79308 <at> debbugs.gnu.org
Subject: bug#79308: 30.2; Maximum buffer size exceeded when running package-list-packages
Date: Mon, 25 Aug 2025 17:42:08 +0300

> Date: Mon, 25 Aug 2025 11:40:24 +0200
> From:  Enrico Rivarola via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs <at> gnu.org>
> 
> Hi,
> after upgrading to Emacs 30.2 I've this error message when running the 'package-list-packages' 
> command:
> 
> "find-file-noselect-1: Maximum buffer size exceeded"
> 
> Running the command more times seems to make the message disappear, but doing some tests I found 
> that the cause of the problem, at least in my system, seems to be the configuration of 
> "custom-file' to 'null-device'.
> Leaving it at its default value or setting it to a different real file (e.g. 'my-custom.el' in 
> 'user-emacs-directory') does not cause any errors.

I cannot reproduce this.  I started Emacs, the typed

  M-: (setq custom-file null-device) RET

then typed

  M-x package-list-packages RET

and Emacs displayed the list of packages without any error message.

Can anyone else reproduce this problem?

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