(gdb) r Starting program: /usr/bin/gnome-panel [Thread debugging using libthread_db enabled] [New Thread 0x7fffed986700 (LWP 8258)] [New Thread 0x7fffed185700 (LWP 8259)] warning: the debug information found in "/usr/lib/debug//usr/lib/libxml2.so.2.7.8" does not match "/usr/lib/libxml2.so.2" (CRC mismatch).
warning: the debug information found in "/usr/lib/debug/usr/lib/libxml2.so.2.7.8" does not match "/usr/lib/libxml2.so.2" (CRC mismatch). (gnome-panel:8255): Gtk-CRITICAL **: gtk_style_context_get: assertion `priv->widget_path != NULL' failed Program received signal SIGSEGV, Segmentation fault. thread_memory_magazine2_free (mem=0x7ffff73c36a7, ix=<optimized out>, tmem=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gslice.c:808 808 /build/buildd/glib2.0-2.30.0/./glib/gslice.c: No such file or directory. in /build/buildd/glib2.0-2.30.0/./glib/gslice.c (gdb) bt #0 thread_memory_magazine2_free (mem=0x7ffff73c36a7, ix=<optimized out>, tmem=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gslice.c:808 #1 g_slice_free1 (mem_size=<optimized out>, mem_block=0x7ffff73c36a7) at /build/buildd/glib2.0-2.30.0/./glib/gslice.c:893 #2 0x00007ffff7314435 in gtk_style_context_get_background_color () from /usr/lib/libgtk-3.so.0 #3 0x000000000042466b in panel_widget_set_background_default_style (widget=0x7fffe80de230) at panel-widget.c:1558 #4 panel_widget_set_background_default_style (widget=0x7fffe80de230) at panel-widget.c:1547 #5 0x00000000004246d9 in panel_widget_style_updated (widget=0x7fffe80de230) at panel-widget.c:1575 #6 0x00007ffff59a90a4 in g_closure_invoke (closure=0x6a9e40, return_value=0x0, n_param_values=1, param_values=0x7fffe80c7f80, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:774 #7 0x00007ffff59ba81a in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x7fffe80de230, emission_return=0x0, instance_and_params=0x7fffe80c7f80) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3202 #8 0x00007ffff59c46b1 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3003 #9 0x00007ffff59c4852 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3060 #10 0x00007ffff73ccf72 in ?? () from /usr/lib/libgtk-3.so.0 #11 0x00007ffff59a90a4 in g_closure_invoke (closure=0x7fffe80fae10, return_value=0x0, n_param_values=1, param_values=0x946000, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:774 #12 0x00007ffff59bb02a in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x7fffe80fc910, emission_return=0x0, instance_and_params=0x946000) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3272 #13 0x00007ffff59c46b1 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3003 #14 0x00007ffff59c4852 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3060 #15 0x00007ffff7313cb1 in gtk_style_context_invalidate () from /usr/lib/libgtk-3.so.0 #16 0x00007ffff73d1517 in gtk_widget_get_style_context () from /usr/lib/libgtk-3.so.0 #17 0x00007ffff7250167 in ?? () from /usr/lib/libgtk-3.so.0 #18 0x0000000000424755 in panel_widget_realize (widget=0x7fffe80de230) at panel-widget.c:1605 #19 0x00007ffff59a90a4 in g_closure_invoke (closure=0x69f2b0, return_value=0x0, n_param_values=1, param_values=0x7fffe80c7f60, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:774 #20 0x00007ffff59ba81a in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x7fffe80de230, emission_return=0x0, instance_and_params=0x7fffe80c7f60) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3202 #21 0x00007ffff59c46b1 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3003 #22 0x00007ffff59c4852 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3060 #23 0x00007ffff73cf0f0 in gtk_widget_realize () from /usr/lib/libgtk-3.so.0 #24 0x00007ffff73cfd88 in gtk_widget_map () from /usr/lib/libgtk-3.so.0 #25 0x00007ffff721047f in ?? () from /usr/lib/libgtk-3.so.0 #26 0x00007ffff59a8ffa in g_closure_invoke (closure=0x69f3d0, return_value=0x0, n_param_values=1, param_values=0x987340, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:774 #27 0x00007ffff59ba81a in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x7fffe809f010, emission_return=0x0, instance_and_params=0x987340) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3202 #28 0x00007ffff59c46b1 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3003 #29 0x00007ffff59c4852 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3060 #30 0x00007ffff73cfc7a in gtk_widget_map () from /usr/lib/libgtk-3.so.0 #31 0x00007ffff73268f0 in ?? () from /usr/lib/libgtk-3.so.0 #32 0x00007ffff721047f in ?? () from /usr/lib/libgtk-3.so.0 #33 0x00007ffff59a8ffa in g_closure_invoke (closure=0x69f3d0, return_value=0x0, n_param_values=1, param_values=0x9872e0, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:774 #34 0x00007ffff59ba81a in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x9562c0, emission_return=0x0, instance_and_params=0x9872e0) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3202 #35 0x00007ffff59c46b1 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3003 #36 0x00007ffff59c4852 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3060 #37 0x00007ffff73cfc7a in gtk_widget_map () from /usr/lib/libgtk-3.so.0 #38 0x00007ffff73e18c0 in ?? () from /usr/lib/libgtk-3.so.0 #39 0x00007ffff59a90a4 in g_closure_invoke (closure=0x69f3d0, return_value=0x0, n_param_values=1, param_values=0x9872a0, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:774 #40 0x00007ffff59ba81a in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x7fffe8051140, emission_return=0x0, instance_and_params=0x9872a0) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3202 #41 0x00007ffff59c46b1 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3003 #42 0x00007ffff59c4852 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3060 #43 0x00007ffff73cfc7a in gtk_widget_map () from /usr/lib/libgtk-3.so.0 #44 0x00007ffff73d9d44 in ?? () from /usr/lib/libgtk-3.so.0 #45 0x00007ffff59a90a4 in g_closure_invoke (closure=0x69b260, return_value=0x0, n_param_values=1, param_values=0x981a00, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:774 #46 0x00007ffff59ba81a in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x7fffe8051140, emission_return=0x0, instance_and_params=0x981a00) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3202 #47 0x00007ffff59c46b1 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3003 #48 0x00007ffff59c4852 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3060 #49 0x00007ffff73ce570 in gtk_widget_show () from /usr/lib/libgtk-3.so.0 #50 0x000000000045b5a9 in panel_layout_load_toplevel (toplevel_id=<optimized out>) at panel-layout.c:976 #51 panel_layout_changed_toplevel () at panel-layout.c:874 #52 panel_layout_changed (settings=<optimized out>, key=<optimized out>, user_data=<optimized out>) at panel-layout.c:958 #53 0x00007ffff59a90a4 in g_closure_invoke (closure=0x7fffe80ed530, return_value=0x0, n_param_values=2, param_values=0x953190, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:774 #54 0x00007ffff59bb02a in signal_emit_unlocked_R (node=<optimized out>, detail=1185, instance=0x7bea80, emission_return=0x0, instance_and_params=0x953190) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3272 #55 0x00007ffff59c46b1 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3003 #56 0x00007ffff59c4852 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3060 #57 0x00007ffff5c86fb1 in g_settings_real_change_event (settings=0x7bea80, keys=<optimized out>, n_keys=1) at /build/buildd/glib2.0-2.30.0/./gio/gsettings.c:277 #58 0x00007ffff0a86a14 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6 #59 0x00007ffff0a86435 in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6 #60 0x00007ffff59a9567 in g_cclosure_marshal_generic (closure=0x7cefe0, return_gvalue=0x7fffffffdaa0, n_param_values=3, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=0x7ffff5c86f60) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:1147 #61 0x00007ffff59a90a4 in g_closure_invoke (closure=0x7cefe0, return_value=0x7fffffffdaa0, n_param_values=3, param_values=0x7fffe80ed370, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:774 #62 0x00007ffff59bae5f in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x7bea80, emission_return=0x7fffffffdc00, instance_and_params=0x7fffe80ed370) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3310 #63 0x00007ffff59c4483 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3013 #64 0x00007ffff59c4852 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3060 #65 0x00007ffff5c872ce in settings_backend_changed (target=0x7bea80, backend=<optimized out>, key=<optimized out>, origin_tag=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gio/gsettings.c:331 #66 0x00007ffff5c83fba in g_settings_backend_invoke_closure (user_data=0x912a80) at /build/buildd/glib2.0-2.30.0/./gio/gsettingsbackend.c:271 #67 0x00007ffff54e70c5 in g_main_context_invoke_full (context=0x6e7550, priority=0, function=0x7ffff5c83fa0 <g_settings_backend_invoke_closure>, data=0x912a80, notify=0) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:4998 #68 0x00007ffff5c840cc in g_settings_backend_dispatch_signal (backend=0x7d0830, function_offset=0, name=0x982500 "/org/gnome/gnome-panel/layout/toplevel-id-list", data1=0x0, data1_copy=0x7ffff5c83bc0 <pointer_id>, data1_free=0x7ffff5c83bd0 <pointer_ignore>, data2=0x0) at /build/buildd/glib2.0-2.30.0/./gio/gsettingsbackend.c:353 #69 0x00007ffff5c845f1 in g_settings_backend_changed (backend=0x7d0830, key=0x982500 "/org/gnome/gnome-panel/layout/toplevel-id-list", origin_tag=0x0) at /build/buildd/glib2.0-2.30.0/./gio/gsettingsbackend.c:400 #70 0x00007fffedda17bb in ?? () from /usr/lib/gio/modules/libdconfsettings.so #71 0x00007ffff5c87bd9 in g_settings_write_to_backend (value=0x7fffe80fe830, info=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gio/gsettings.c:1006 #72 0x00007ffff5c88f8d in g_settings_set_value (settings=0x7bea80, key=0x473c25 "toplevel-id-list", value=0x7fffe80fe830) at /build/buildd/glib2.0-2.30.0/./gio/gsettings.c:1587 #73 0x0000000000465767 in panel_gsettings_append_strv (settings=0x7bea80, key=0x473c25 "toplevel-id-list", value=0x7fffe80ebb70 "top-panel-screen1-14") at panel-gsettings.c:117 #74 0x000000000045b143 in panel_layout_append_group_helper (keyfile=0x94eb20, group=0x7fffe80eb3e0 "Toplevel top-panel", set_screen_to=1, group_prefix=<optimized out>, id_list_key=0x473c25 "toplevel-id-list", schema=0x46b800 "org.gnome.gnome-panel.toplevel", path_prefix=0x473cc0 "/org/gnome/gnome-panel/layout/toplevels/", key_definitions=0x6887c0, key_definitions_len=19, dry_run=0, error=0x0, type_for_error_message=0x473b7b "toplevel", default_prefix=<optimized out>) at panel-layout.c:414 #75 0x000000000045b2ed in panel_layout_append_group (keyfile=0x94eb20, group=0x7fffe80eb3e0 "Toplevel top-panel", screen_for_toplevels=1, dry_run=0, error=0x0) at panel-layout.c:443 #76 0x000000000045b4f4 in panel_layout_append_from_file_real (layout_file=0x7fffe80ed880 "/usr/share/gnome-panel/panel-default-layout.layout", screen_for_toplevels=1, error_fatal=0) at panel-layout.c:516 #77 0x000000000045bedc in panel_layout_append_from_file_for_screen (screen=<optimized out>, layout_file=0x7fffe80ed880 "/usr/share/gnome-panel/panel-default-layout.layout") at panel-layout.c:543 #78 panel_layout_ensure_toplevel_per_screen () at panel-layout.c:1063 #79 panel_layout_load () at panel-layout.c:1132 #80 0x00000000004220d5 in main (argc=1, argv=0x7fffffffe268) at main.c:102 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/875829 Title: gnome-panel crashes with multiple screens To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-panel/+bug/875829/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs