pi@raspberrypi:~ $ firefox --debug
GNU gdb (Raspbian 8.2.1-2) 8.2.1
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later http://gnu.org/licenses/gpl.html
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Reading symbols from /usr/lib/firefox/firefox...(no debugging symbols found)...done.
(gdb) run
Starting program: /usr/lib/firefox/firefox
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/arm-linux-gnueabihf/libthread_db.so.1".
[New Thread 0xb6aff440 (LWP 2779)]
[Thread 0xb6aff440 (LWP 2779) exited]
[Detaching after fork from child process 2780]
[New Thread 0xb6aff440 (LWP 2784)]
[New Thread 0xa980e440 (LWP 2785)]
[New Thread 0xa8eff440 (LWP 2786)]
[Detaching after vfork from child process 2787]
[New Thread 0xa8cfe440 (LWP 2788)]
[New Thread 0xa46ff440 (LWP 2789)]
[New Thread 0xa46be440 (LWP 2790)]
[New Thread 0xa467d440 (LWP 2791)]
[New Thread 0xa463c440 (LWP 2792)]
[New Thread 0xa45fb440 (LWP 2793)]
[New Thread 0xa45ba440 (LWP 2794)]
[New Thread 0xa43ff440 (LWP 2795)]
[Detaching after fork from child process 2796]
[New Thread 0xb6f71440 (LWP 2797)]
[New Thread 0xa3bfe440 (LWP 2798)]
[New Thread 0xa3bbd440 (LWP 2799)]
[New Thread 0xa453f440 (LWP 2800)]
[New Thread 0xa3b7c440 (LWP 2801)]
[Thread 0xa43ff440 (LWP 2795) exited]
[New Thread 0xa30ff440 (LWP 2802)]
[New Thread 0xa2f00440 (LWP 2803)]
[New Thread 0xa2d01440 (LWP 2804)]
[New Thread 0xa2b02440 (LWP 2805)]
[New Thread 0xa26ff440 (LWP 2809)]
[New Thread 0xa26be440 (LWP 2810)]
[Detaching after fork from child process 2811]
[Detaching after fork from child process 2812]
[Detaching after fork from child process 2813]
[Detaching after fork from child process 2814]
[New Thread 0xa20e2440 (LWP 2815)]
[New Thread 0xa43ff440 (LWP 2816)]
[New Thread 0xa1eff440 (LWP 2817)]
[New Thread 0xa1ebe440 (LWP 2818)]
[New Thread 0xa1cbd440 (LWP 2819)]
[New Thread 0xa18ff440 (LWP 2820)]
[New Thread 0xa16fe440 (LWP 2821)]
[New Thread 0xa11ff440 (LWP 2822)]
[New Thread 0xa0ffe440 (LWP 2823)]
[New Thread 0xa0aff440 (LWP 2824)]
[New Thread 0xa06ff440 (LWP 2825)]
[New Thread 0xa1abc440 (LWP 2826)]
[New Thread 0xa14fd440 (LWP 2827)]
ATTENTION: default value of option mesa_glthread overridden by environment.
ATTENTION: default value of option mesa_glthread overridden by environment.
[New Thread 0x9f6ff440 (LWP 2834)]
[New Thread 0x99c64440 (LWP 2835)]
[New Thread 0xa14bc440 (LWP 2836)]
[New Thread 0x9f8bf440 (LWP 2837)]
[New Thread 0x9f87e440 (LWP 2838)]
[Detaching after fork from child process 2839]
[Thread 0xa3bfe440 (LWP 2798) exited]
[New Thread 0x9ee5c440 (LWP 2843)]
[New Thread 0xa3bfe440 (LWP 2845)]
[New Thread 0x9ebff440 (LWP 2847)]
[New Thread 0x9ebbe440 (LWP 2848)]
[New Thread 0x9eb7d440 (LWP 2849)]
[New Thread 0x9eb3c440 (LWP 2852)]
[Thread 0x99c64440 (LWP 2835) exited]
[New Thread 0x9eafb440 (LWP 2856)]
[New Thread 0x9ea42440 (LWP 2857)]
[New Thread 0x9eaba440 (LWP 2858)]
[New Thread 0x9ea01440 (LWP 2859)]
[New Thread 0x99463440 (LWP 2860)]
[Detaching after fork from child process 2861]
[New Thread 0x971ff440 (LWP 2863)]
[New Thread 0x971be440 (LWP 2864)]
[New Thread 0x9717d440 (LWP 2866)]
[New Thread 0x9713c440 (LWP 2867)]
[New Thread 0xa200d440 (LWP 2868)]
[New Thread 0x99c64440 (LWP 2869)]
[New Thread 0x970fb440 (LWP 2870)]
[New Thread 0x96efa440 (LWP 2871)]
[New Thread 0x96cf9440 (LWP 2886)]
[New Thread 0x96cb8440 (LWP 2887)]
[New Thread 0x96c77440 (LWP 2888)]
[New Thread 0x900ff440 (LWP 2893)]
[New Thread 0x8f7d0440 (LWP 2894)]
[New Thread 0x8efcf440 (LWP 2895)]
[Thread 0x900ff440 (LWP 2893) exited]
[Parent 2773, Main Thread] WARNING: invalid (NULL) pointer instance: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-WARNING **: 20:55:39.129: invalid (NULL) pointer instance
[Parent 2773, Main Thread] WARNING: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-CRITICAL **: 20:55:39.129: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
[Parent 2773, Main Thread] WARNING: invalid (NULL) pointer instance: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-WARNING **: 20:55:39.130: invalid (NULL) pointer instance
[Parent 2773, Main Thread] WARNING: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-CRITICAL **: 20:55:39.130: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
[Parent 2773, Main Thread] WARNING: invalid (NULL) pointer instance: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-WARNING **: 20:55:39.130: invalid (NULL) pointer instance
[Parent 2773, Main Thread] WARNING: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-CRITICAL **: 20:55:39.130: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
[Parent 2773, Main Thread] WARNING: invalid (NULL) pointer instance: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-WARNING **: 20:55:39.238: invalid (NULL) pointer instance
[Parent 2773, Main Thread] WARNING: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-CRITICAL **: 20:55:39.238: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
[Parent 2773, Main Thread] WARNING: invalid (NULL) pointer instance: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-WARNING **: 20:55:39.253: invalid (NULL) pointer instance
[Parent 2773, Main Thread] WARNING: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-CRITICAL **: 20:55:39.253: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
[New Thread 0x8ef79440 (LWP 2896)]
[New Thread 0x8e5ff440 (LWP 2897)]
[New Thread 0x8e5be440 (LWP 2898)]
[New Thread 0x8e57d440 (LWP 2902)]
[New Thread 0x8dcc8440 (LWP 2903)]
[Parent 2773, Main Thread] WARNING: invalid (NULL) pointer instance: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-WARNING **: 20:55:39.631: invalid (NULL) pointer instance
[Parent 2773, Main Thread] WARNING: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-CRITICAL **: 20:55:39.631: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
[New Thread 0x8dc87440 (LWP 2904)]
[New Thread 0x8d8ff440 (LWP 2906)]
[New Thread 0x8dc46440 (LWP 2905)]
[Detaching after fork from child process 2907]
[New Thread 0x8ccff440 (LWP 2909)]
[Parent 2773, Main Thread] WARNING: invalid (NULL) pointer instance: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-WARNING **: 20:55:40.557: invalid (NULL) pointer instance
[Parent 2773, Main Thread] WARNING: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-CRITICAL **: 20:55:40.557: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
[New Thread 0x8baff440 (LWP 2924)]
[New Thread 0x8c8a2440 (LWP 2925)]
[New Thread 0x8c861440 (LWP 2939)]
[New Thread 0x8b2ff440 (LWP 2940)]
[New Thread 0x8b2be440 (LWP 2941)]
[New Thread 0x8b27d440 (LWP 2947)]
[Detaching after fork from child process 2948]
[Detaching after fork from child process 2949]
[New Thread 0x89dff440 (LWP 2956)]
[New Thread 0x89dbe440 (LWP 2957)]
[New Thread 0x89d7d440 (LWP 2959)]
[Parent 2773, Main Thread] WARNING: invalid (NULL) pointer instance: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-WARNING **: 20:55:42.805: invalid (NULL) pointer instance
[Parent 2773, Main Thread] WARNING: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-CRITICAL **: 20:55:42.805: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
[New Thread 0x8d8be440 (LWP 2970)]
[New Thread 0x8d87d440 (LWP 2971)]
[New Thread 0x900ff440 (LWP 2972)]
[New Thread 0x892ff440 (LWP 2973)]
[Thread 0x892ff440 (LWP 2973) exited]
[New Thread 0x892ff440 (LWP 2974)]
[New Thread 0x890fe440 (LWP 2975)]
[Thread 0x900ff440 (LWP 2972) exited]
[Detaching after fork from child process 2979]
[New Thread 0x89560440 (LWP 2980)]
[Detaching after fork from child process 2982]
[New Thread 0x895ff440 (LWP 2985)]
[New Thread 0x895be440 (LWP 3007)]
[New Thread 0x88e5d440 (LWP 3008)]
[Detaching after fork from child process 3016]
[New Thread 0x884ff440 (LWP 3018)]
[New Thread 0x884be440 (LWP 3032)]
[Parent 2773, Main Thread] WARNING: invalid (NULL) pointer instance: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-WARNING **: 20:55:45.032: invalid (NULL) pointer instance
[Parent 2773, Main Thread] WARNING: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-CRITICAL **: 20:55:45.033: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
[Parent 2773, Main Thread] WARNING: invalid (NULL) pointer instance: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-WARNING **: 20:55:45.358: invalid (NULL) pointer instance
[Parent 2773, Main Thread] WARNING: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-CRITICAL **: 20:55:45.358: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
[New Thread 0x8847d440 (LWP 3036)]
[Parent 2773, Main Thread] WARNING: invalid (NULL) pointer instance: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-WARNING **: 20:55:45.971: invalid (NULL) pointer instance
[Parent 2773, Main Thread] WARNING: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-CRITICAL **: 20:55:45.971: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
[Parent 2773, Main Thread] WARNING: invalid (NULL) pointer instance: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-WARNING **: 20:55:45.972: invalid (NULL) pointer instance
[Parent 2773, Main Thread] WARNING: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-CRITICAL **: 20:55:45.972: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
[Thread 0x892ff440 (LWP 2974) exited]
[New Thread 0x854fe440 (LWP 3049)]
[Parent 2773, Main Thread] WARNING: invalid (NULL) pointer instance: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-WARNING **: 20:55:47.957: invalid (NULL) pointer instance
[Parent 2773, Main Thread] WARNING: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-CRITICAL **: 20:55:47.958: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
[Parent 2773, Main Thread] WARNING: invalid (NULL) pointer instance: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-WARNING **: 20:55:48.166: invalid (NULL) pointer instance
[Parent 2773, Main Thread] WARNING: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed: 'glib warning', file /build/firefox-nTo4H3/firefox-117.0.1+build2/toolkit/xre/nsSigHandlers.cpp:167
(firefox:2773): GLib-GObject-CRITICAL **: 20:55:48.166: g_signal_emit_by_name: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
[New Thread 0x84fff440 (LWP 3052)]
[Thread 0x84fff440 (LWP 3052) exited]
[New Thread 0x96c11440 (LWP 3056)]
[New Thread 0x892ff440 (LWP 3057)]
[New Thread 0x84dfe440 (LWP 3058)]
[New Thread 0x84bfd440 (LWP 3059)]
Thread 27 "Renderer" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xa1eff440 (LWP 2817)]
0xafdcce08 in ?? () from /usr/lib/firefox/libxul.so
Description
•