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bug#38748: 28.0.50; crash on MacOS 10.15.2
From: |
Andrii Kolomoiets |
Subject: |
bug#38748: 28.0.50; crash on MacOS 10.15.2 |
Date: |
Fri, 27 Dec 2019 13:28:11 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (darwin) |
Eli Zaretskii <eliz@gnu.org> writes:
>> Date: Thu, 26 Dec 2019 13:04:20 +0000
>> From: Alan Third <alan@idiocy.org>
>> Cc: 38748@debbugs.gnu.org
>>
>> > 20 org.gnu.Emacs 0x00000001084a7c86 handle_sigsegv + 168
>> > 21 libsystem_platform.dylib 0x00007fff6b73a42d _sigtramp + 29
>> > 22 ??? 000000000000000000 0 + 0
>> > 23 org.gnu.Emacs 0x00000001084ddd80 mark_object + 272
>> > 24 org.gnu.Emacs 0x00000001084ddd80 mark_object + 272
>>
>> Looks like a crash in GC.
>
> Yes, but why?
>
> One possibility is stack overflow. If that's not the reason, then one
> needs to employ the technique described in etc/DEBUG to find out which
> object got corrupted and why.
I followed the steps described in etc/DEBUG.
Emacs is configured using:
'configure --without-xml2 --with-ns --with-modules
--disable-ns-self-contained --enable-checking=yes,glyphs
--enable-check-lisp-object-type 'CFLAGS=-O3 -g3''
See gdb session output attached.
Hope this will help.
gdb-bt-full.txt
Description: Text document