bug#60220: 29.0.60; macOS 13.1 crash shortly after starting Emacs

[Eli Zaretskii]

> Date: Thu, 29 Dec 2022 15:49:55 -0800
> Cc: gerd.moellmann@gmail.com, 60220@debbugs.gnu.org
> From: Paul Eggert <eggert@cs.ucla.edu>
> 
> On 12/29/22 15:46, Aaron Jensen wrote:
> >   have something that eagerly
> > loads packages on an idle timer (it caches what was loaded when Emacs
> > is quit).
> 
> Could it by that the dynamic linker is being invoked recursively? That 
> is, while something is being dynamically linked, a SIGALRM or equivalent 
> arrives, some idle timer code is run, and the dynamic linker is invoked 
> before the outer linker finishes? I imagine that might put some dynamic 
> linkers into a tizzy.

The timers of the kind that we see in the crash backtraces don't run
off SIGALRM, they run as part of the main loop.