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Date:      Mon, 6 May 2019 09:58:41 -0400
From:      George Mitchell <george@m5p.com>
To:        freebsd-gecko@freebsd.org
Subject:   Firefox crash
Message-ID:  <d203a8e6-9376-cb6a-1f3a-ea13f298133c@m5p.com>

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From: George Mitchell <george@m5p.com>
To: freebsd-gecko@freebsd.org
Message-ID: <d203a8e6-9376-cb6a-1f3a-ea13f298133c@m5p.com>
Subject: Firefox crash

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Firefox reliably dumps core trying to display:

https://media.amtrak.com/media-images/

This is "Firefox Quantum" (66.0.3 64-bit) compiled locally with:

# This file is auto-generated by 'make config'.
# Options for firefox-63.0_1,1
_OPTIONS_READ=3Dfirefox-63.0_1,1
_FILE_COMPLETE_OPTIONS_LIST=3DCANBERRA DBUS DEBUG FFMPEG GCONF
INTEGER_SAMPLES LIBPROXY OPTIMIZED_CFLAGS PROFILE TEST WAYLAND ALSA JACK
PULSEAUDIO SNDIO
OPTIONS_FILE_UNSET+=3DCANBERRA
OPTIONS_FILE_SET+=3DDBUS
OPTIONS_FILE_UNSET+=3DDEBUG
OPTIONS_FILE_SET+=3DFFMPEG
OPTIONS_FILE_UNSET+=3DGCONF
OPTIONS_FILE_UNSET+=3DINTEGER_SAMPLES
OPTIONS_FILE_UNSET+=3DLIBPROXY
OPTIONS_FILE_UNSET+=3DOPTIMIZED_CFLAGS
OPTIONS_FILE_UNSET+=3DPROFILE
OPTIONS_FILE_UNSET+=3DTEST
OPTIONS_FILE_UNSET+=3DWAYLAND
OPTIONS_FILE_SET+=3DALSA
OPTIONS_FILE_UNSET+=3DJACK
OPTIONS_FILE_UNSET+=3DPULSEAUDIO
OPTIONS_FILE_UNSET+=3DSNDIO

on FreeBSD 11.2-RELEASE-p8 #1 r343789

I can't figure out how to compile with debugging symbols.  "pstack"
on my core file says:

(core file "firefox.core"): /usr/local/bin/firefox
----------------- thread -1 (running) -----------------
 0x80208d47a ???????? (11b76432, 8, ffffffff, 0, 400, 0)
 0x811b76432 ???????? (123d1745, 8, 2363898, 8, 12b59ae5, 0)
 0x8123d1745 ???????? (1da9954, 8, 0, 7fff, 1, 0)
 0x801da9954 ???????? (1da8eb2, 8, 123d15f0, 8, 51, 0)
 0x801da8eb2 ???????? (ffffe193, 7fff, 1da8d70, 8, 0, 0)
 0x7fffffffe193 ???????? (e8b2f6c, 8, df109810, 7fff, e91ac4e, 8)
 0x80e8b2f6c ???????? (e91ac4e, 8, 21af9f40, 8, 1e9aab58, 8)
 0x80e91ac4e ???????? (e94c63d, 8, 0, 0, 0, 1)
 0x80e94c63d ???????? (e91e30e, 8, 1435ff20, 8, 1e9aab58, 8)
 0x80e91e30e ???????? (e91e182, 8, df109910, 7fff, 2078374, 4)
 0x80e91e182 ???????? (e9230f5, 8, 1e9aab50, 8, 27efbb88, 8)
 0x80e9230f5 ???????? (e9229c9, 8, df1099e0, 7fff, 23e5a, 11)
 0x80e9229c9 ???????? (e94c9ae, 8, df109a30, 7fff, 21073f1, 18)
 0x80e94c9ae ???????? (e925a7c, 8, 27efbb88, 8, df109aa0, 7fff)
 0x80e925a7c ???????? (ea0a84b, 8, df109bf0, 7fff, e95b405, 0)
 0x80ea0a84b ???????? (e8aee92, 8, 1, 0, 21b2aa00, 8)
 0x80e8aee92 ???????? (e8adddc, 8, df109c90, 7fff, 2533f738, 8)
 0x80e8adddc ???????? (e8ae95e, 8, 27efbb40, 8, df109e40, 7fff)
 0x80e8ae95e ???????? (e873d35, 8, 20a4f000, 8, df109e40, 7fff)
 0x80e873d35 ???????? (e87404b, 8, 0, 0, 0, 0)
 0x80e87404b ???????? (e874881, 8, 236b200, 8, 21ad7f88, 8)
 0x80e874881 ???????? (e873748, 8, 21eb27b0, 8, 1, 0)
 0x80e873748 ???????? (e889cf5, 8, 0, 0, 0, 0)
 0x80e889cf5 ???????? (e879f2a, 8, df109ff0, 7fff, 1da3c06, 8)
 0x80e879f2a ???????? (1da3c06, 8, 0, 0, 0, 0)
 0x801da3c06 ???????? (0, 0)

which seems less than helpful.  "make WITH_DEBUG=3Dyes" doesn't seem
to get me debugging symbols.  If you can tell me how to compile
with symbols I will try to get you a more helpful stack trace.  But
the cited page crashes 100% of the time.               -- George


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