Subject: Re: bug#43716: 28.0.50; Error with emacsclient <file>:

From: Eli Zaretskii <[email-masked]>
Date: Wed, 30 Sep 2020 17:27:15 +0300

> From: Lars Ingebrigtsen <[email-masked]>
> Date: Wed, 30 Sep 2020 16:07:06 +0200
> Cc: [email-masked]
> 
> It's unfortunate that there's no way to get Emacs to reliably give a
> backtrace

I thought debug-on-event and SIGUSR1/SIGUSR2 were such a way?