From mboxrd@z Thu Jan  1 00:00:00 1970
From: Matt Lundin <mdl@imapmail.org>
Subject: Re: still seeing semi-regular lockups
Date: Wed, 25 Jun 2014 08:47:16 -0500
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To: Daimrod <daimrod@gmail.com>
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Daimrod <daimrod@gmail.com> writes:

> Matt Lundin <mdl@imapmail.org> writes:
>
>>
>> The freezes are very difficult to replicate reliably. When they happen,
>> emacs is unresponsive and can only be killed from the outside. Any tips
>> on how to debug this would be greatly appreciated.
>
> See my previous post:
> http://thread.gmane.org/gmane.emacs.orgmode/86255/focus=86263
>
> You can wrap `jit-lock--debug-fontify' with:
>
> (advice-add 'jit-lock--debug-fontify :around
>             (lambda (fun &rest args)
>               (with-local-quit (apply fun args))))
>
> and then force emacs to break and display a backtrace by sending the
> SIGUSR2 to the emacs process.
>

Thanks, that's helpful. It seems jit-lock--debug-fontify is the
development emacs. I'll build that in a moment...

For the record, I've been seeing these lockups with stable releases of
emacs (currently 24.3).

Thanks,
Matt