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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: [emacs-master] Frequent freezes on macOS
Date: Tue, 19 Jan 2021 17:39:29 +0200
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> From: Pankaj Jangid <pankaj@codeisgreat.org>
> Date: Tue, 19 Jan 2021 21:01:24 +0530
> Cc: emacs-devel@gnu.org
> 
> > commit 8f0ce42d3eb9b212424a4a25a376287ffc94a73e
> > Author: Philipp Stephani
> > Date:   Sun Jan 10 16:31:12 2021 +0100
> >
> > Can you try:
> >
> > git checkout 8f0ce42d3eb9b212424a4a25a376287ffc94a73e
> > gmake bootstrap
> >
> > If Emacs still freezes:
> >
> > git checkout master
> > git checkout 66756df286bea6efd3f9a8290e38e8d77bdf0264
> > gmake bootstrap
> >
> > Does Emacs no longer freeze?
> 
> You are absolutely right. 8f0ce4 gives freezes and 66756d works fine.

Can you attach a debugger to Emacs when it freezes, and show the
C-level backtrace?