Re: MPS GC and its implications

[Eli Zaretskii]

> From: Gerd Möllmann <gerd.moellmann@gmail.com>
> Cc: Helmut Eller <eller.helmut@gmail.com>,  acorallo@gnu.org,
>   emacs-devel@gnu.org
> Date: Fri, 03 May 2024 13:59:36 +0200
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > I'm worried because it sounds like we don't have a clear understanding
> > how this stuff works, and without that we are basically stabbing in
> > the dark when faced with a particular issue related to the MPS
> > migration.
> 
> Can't say anything about GDB. Here on macOS, I can, if I want, see the
> Mach exceptions being handled, and I've landed there in LLDB as well.

The same happens in GDB.  If the result of the exception is SIGSEGV,
then GDB should kick in, I think.  Didn't Helmut say something several
days ago that he needs to tell GDB to pass SIGSEGV to Emacs?

> For the rest I can only hope that some confidence will grow over time.

Let's hope.  But understanding is better than confidence.

> Have you read the old MPS paper from 2002? Maybe that helps.

Not yet.  Too busy.