When running list-packages in emacs on an up-to-date Debian Buster (10.6) I get the following error:

error in process sentinel: Error retrieving: https://stable.melpa.org/packages/archive-contents "incomprehensible buffer"

The exact version of the emacs package is 1:26.1+1-3.2+deb10u1. When using wget on that URL and looking at the downloaded file it looks like a valid e-lisp data structure to me.

This has been working in the past and works fine in the MacPorts emacs package version 27.1_5.

1 Answer 1


I had the same problem. Solved it by adding the following to init.el

    (setq gnutls-algorithm-priority "NORMAL:-VERS-TLS1.3")

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