Michael Albinus wrote:
> And just to make it sure: you're running Emacs 30?

I'm running Emacs from git on 2023-08-15; it identifies itself as
"GNU Emacs 30.0.50".

> >> I'm speaking about the debug file in /tmp (or wherever your temprary
> >> directory is). A file name which starts with a star, and ends with a
> >> star, as said above.
> >
> > There is no file with such a name anywhere on this machine's disk.
> 
> Hmm, so the problem is deeper than expected. I've modified the patch to
> add traces from the very beginning of the test case, see appended. Could
> you pls try?

Still no file with such a name on the disk. But some new logs in /tmp
(attached).