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[Emacspeak] Re: Crashes on macos on startup

Hi Tim
I'm studying at UON (University of Newcastle) in NSW.
I'm running emacs
 27.2 installed from homebrew.
 I installed emacspeak from source with the git repo.
 I'm running MacOS Mojave 10.14.6 on a macbook pro 2017 model.
 I'd think it was emacs itself too however reverting emacspeak to
 version 52.0 fixes the issue.
 I've had no other memery issues in the past with emacs
 and none with any other apps so I don't think its a hardware problem.
I load emacspeak in my init.el with:
(load-file "~/emacspeak/lisp/emacspeak-setup.el")
which is the way specified in the docs.
Tim Cross via Emacspeak <emacspeak(a)emacspeak.org> writes:

> Hi Isaac,
> welcome to the list.
> What version of Emacs and how did you install it on the mac?
> What version of macOS are you running?
> That error would indicate a problem in Emacs rather than Emacspeak.
> There are various different ways of installing Emacs on the mac. I've
> found the best results are with the railwaycat mac-port homebrew recipe
> of Emacs. The mac-port version is a modified version of Emacs
> specifically built for the mac. One of its nice features is that it has
> a variable you can set to turn off voiceOver when running Emacs inside a
> terminal. I would also ensure your using Emacs 27 and not current
> development version 28.
> It does look like a memory allocation problem. My biggest concern is
> that this type of error is often associated with a hardware issue i.e.
> bad membory. That may not be the case, but is a possibility. 
> BTW which University are you studying at?
> Tim
> Isaac Leonard via Emacspeak <emacspeak(a)emacspeak.org> writes:
>> Hi all, I am new to the mailing list and to mailing lists in general.
>> I saw that I should introduce myself so here goes
>> I am a 21 year old programmer from australia, I am totally blind  and
>> have used emacspeak for around 2 years now.
>> I am currently studying computer science at university and mainly use
>> emacs for all of my writing when possible.
>> I've recently had an issue with emacspeak crashing when I start emacs.
>> A few months ago when version 53 was released I tried to upgrade however
>> it caused emacs to crash on startup around 50% of the time.
>> I reverted to version 52.0 until the other day when I decided to try
>> upgrade again to version 54.0 and just deal with the crashes.
>> Yesterday however I attempted to open emacs 4 times in a row with
>> it crashing each time so decided to follow it up further.
>> This only happens with emacspeak53.0 or 54.0, previous versions have
>> never crashed before.
>> Here is the errors printed to the terminal from when it crashed
>> those 4 times :
>> $emacs
>> Emacs-x86_64-10_14(2360,0x700009d2e000) malloc: *** error for object
>> 0x70000a5307e8: pointer being f
>> reed was not allocated
>> Fatal error 11: Segmentation fault
>> Abort trap: 6
>> $emacs
>> Emacs-x86_64-10_14(2433,0x700003241000) malloc: *** error for object
>> 0x7ffee6db5200: pointer being f
>> reed was not allocated
>> Emacs-x86_64-10_14(2433,0x10a8415c0) malloc: *** error for object
>> 0x7ffee6db5310: pointer being free
>> d was not allocated
>> Emacs-x86_64-10_14(2433,0x700003241000) malloc: *** set a breakpoint
>> in malloc_error_break to debug
>> Emacs-x86_64-10_14(2433,0x10a8415c0) malloc: *** set a breakpoint in
>> malloc_error_break to debug
>> Fatal error 6: Abort trap
>> Abort trap: 6
>> $emacs
>> Emacs-x86_64-10_14(2497,0x70000ce9d000) malloc: *** error for object
>> 0x7ffee91b45a0: pointer being f
>> reed was not allocated
>> Emacs-x86_64-10_14(2497,0x70000ce9d000) malloc: *** set a breakpoint
>> in malloc_error_break to debug
>> Fatal error 4: Illegal instruction
>> Abort trap: 6
>> $emacs
>> Emacs-x86_64-10_14(2576,0x700002fcd000) malloc: *** error for object
>> 0x7ffee07fcac8: pointer being f
>> reed was not allocated
>> Emacs-x86_64-10_14(2576,0x700002fcd000) malloc: *** set a breakpoint
>> in malloc_error_break to debug
>> Fatal error 4: Illegal instruction
>> Abort trap: 6
>> Do you know if there is anything I can do to fix this or is it a bug in
>> emacspeak?
>> It seems to me as though it is attempting to access a freed object.
>> Has anyone else had this issue?
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Best regards Isaac

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