bug#56528: 29.0.50; Emacs lucid segfaults when X dies

[Eli Zaretskii]

> Cc: luangruo@yahoo.com, 56528@debbugs.gnu.org
> Date: Wed, 13 Jul 2022 20:11:41 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> 
> I think we should close this bug as wontfix.  It's unreasonable to
> expect a GUI program to stay in the air when its GUI infrastructure is
> forcibly killed.

As a possible workaround, did you try to delete all the frames,
i.e. leave the daemon session without any live frame, before shutting
down X?