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bug#36758: 27.0.50; Mac OS/Lucid/X11: crash with libharfbuzz
From: |
YAMAMOTO Mitsuharu |
Subject: |
bug#36758: 27.0.50; Mac OS/Lucid/X11: crash with libharfbuzz |
Date: |
Mon, 22 Jul 2019 17:15:02 +0900 |
User-agent: |
Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM/1.14.9 (Gojō) APEL/10.8 EasyPG/1.0.0 Emacs/25.3 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) |
On Mon, 22 Jul 2019 16:09:21 +0900,
Simon Leinen wrote:
>
> I regularly build Emacs from Git master on my work system, an Apple
> laptop running Mac OS 10.14.5 "Mojave". My current binaries have been
> built from commit fd5410217ff23810edc16e97c10934ad622f8e4b.
>
> As I want to use open standards as far as possible, I've always been
> building with X11 libraries (--with-x --with-x-toolkit=lucid
> --with-ns=no).
>
> Lately I have experienced several crashes, mostly while using GNUS
> (which fontifies articles in interesting ways). From running under the
> debugger, it seems they are related to libharfbuzz in some way.
> Unfortunately I have no easy way to reproduce this from emacs -Q.
Could you try the following instructions?
1. recompile Emacs with CFLAGS="-O0 -g3"
2. run it under lldb.
3. run GNUS and wait for crash happens.
4. repeat lldb "up" command until it reaches emacs`ftfont_list
(frame #12 in the original stack trace)
5. run "p file" under lldb.
YAMAMOTO Mitsuharu
mituharu@math.s.chiba-u.ac.jp
- bug#36758: 27.0.50; Mac OS/Lucid/X11: crash with libharfbuzz, Simon Leinen, 2019/07/22
- bug#36758: 27.0.50; Mac OS/Lucid/X11: crash with libharfbuzz,
YAMAMOTO Mitsuharu <=
- bug#36758: 27.0.50; Mac OS/Lucid/X11: crash with libharfbuzz, Simon Leinen, 2019/07/22
- bug#36758: 27.0.50; Mac OS/Lucid/X11: crash with libharfbuzz, YAMAMOTO Mitsuharu, 2019/07/22
- bug#36758: 27.0.50; Mac OS/Lucid/X11: crash with libharfbuzz, Simon Leinen, 2019/07/22
- bug#36758: 27.0.50; Mac OS/Lucid/X11: crash with libharfbuzz, YAMAMOTO Mitsuharu, 2019/07/22
- bug#36758: 27.0.50; Mac OS/Lucid/X11: crash with libharfbuzz, Simon Leinen, 2019/07/22
- bug#36758: 27.0.50; Mac OS/Lucid/X11: crash with libharfbuzz, Simon Leinen, 2019/07/22
- bug#36758: 27.0.50; Mac OS/Lucid/X11: crash with libharfbuzz, YAMAMOTO Mitsuharu, 2019/07/29