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bug#22136: [osx] core dump while building emacs-25


From: Alex Dunn
Subject: bug#22136: [osx] core dump while building emacs-25
Date: Fri, 11 Dec 2015 23:48:20 -0800
User-agent: Notmuch/0.21 (http://notmuchmail.org) Emacs/25.0.50.1 (x86_64-apple-darwin15.2.0)

Haven’t forgotten about this, but it’s new territory for me and
apparently capturing core dumps isn’t as straightforward as it should be
on OSX.  Or I’m just confused; but either way I’ll figure it out when I
can.

Eli Zaretskii <address@hidden> writes:

>> From: Alex Dunn <address@hidden>
>> Date: Wed, 09 Dec 2015 20:20:44 -0800
>> 
>> 
>> `make -C ../lisp update-subdirs` on the emacs-25 branch has been
>> reliably causing a core dump the past two or three days.  Here are the
>> build logs: 
>> https://gist.github.com/dunn/ff087e9b533d373ab10b#file-03-make-L568
>> 
>> It doesn’t cause the build to fail (except for when I made some changes
>> to the source tree that I can’t reproduce; logs here if anyone’s
>> interested: 
>> https://gist.github.com/dunn/43f10877f11c97ab28f0#file-03-make-L291) so
>> I don’t know how serious an issue this is.  It occurs with -j1 and -j4,
>> with Clang and with GCC 5.3.0.
>
> Can you show the core dump itself, i.e. what command dumps core?
> Also, a backtrace from GDB would be useful.  I looked at the data you
> linked to, and I cannot see there any information about the crash
> itself.
>
> Thanks.





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