Anders Lindgren <andlind@gmail.com> writes:

>> The frame I am using is a GUI frame - but if I remember correctly (and I
>> might be wrong) the crash happened when making emacs fullscreen.
>>
>
> This is a vital clue.
>
> If I remember correctly, when Emacs change between normal and full screen
> mode, it creates a new OS X window and discards the old. It uses two
> different Objective-C types EmacsWindow and EmacsFSWindow. (I'll can verify
> the details at home, where I have access to the source code.)
>
> My guess is that in this transition, some things are not fully set up when
> the callback arrives.

Unfortunately I do not have a backtrace, but emacs 25 just crashed when
closing one frame. Maybe unrelated - fyi.

Cheers,

Rainer

>
> / Anders

-- 
Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology, UCT), Dipl. Phys. (Germany)

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