Comment 9 for bug 58068

Backtrace of hanged gaim session:
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb7886fde in __lll_mutex_lock_wait () from /lib/tls/i686/cmov/libpthread.so.0
#2 0xb7883673 in _L_mutex_lock_49 () from /lib/tls/i686/cmov/libpthread.so.0
#3 0xbfb88308 in ?? ()
#4 0xb78e3ae0 in g_source_unref () from /usr/lib/libglib-2.0.so.0
#5 0xb7a6f25c in gdk_threads_leave () from /usr/lib/libgdk-x11-2.0.so.0
#6 0xb725556b in gail_text_view_new () from /usr/lib/gtk-2.0/modules/libgail.so
#7 0xb7255677 in gail_text_view_new () from /usr/lib/gtk-2.0/modules/libgail.so
#8 0xb72559be in gail_text_view_new () from /usr/lib/gtk-2.0/modules/libgail.so
#9 0xb7c19d9d in _gtk_marshal_VOID__BOXED_OBJECT () from /usr/lib/libgtk-x11-2.0.so.0
#10 0xb79567dc in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#11 0xb79667d4 in g_signal_chain_from_overridden () from /usr/lib/libgobject-2.0.so.0
#12 0xb7967cfc in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#13 0xb7967eae in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#14 0xb7cad3de in _gtk_text_buffer_notify_will_remove_tag () from /usr/lib/libgtk-x11-2.0.so.0
#15 0xb7cb0c1f in gtk_text_buffer_insert_at_cursor () from /usr/lib/libgtk-x11-2.0.so.0
#16 0xb7cb0e8a in gtk_text_buffer_move_mark_by_name () from /usr/lib/libgtk-x11-2.0.so.0
#17 0x0810a54d in gtk_imhtml_append_text_with_images ()
#18 0x0810a6b7 in gtk_imhtml_append_text_with_images ()
#19 0xb7d4660b in gtk_clipboard_get_owner () from /usr/lib/libgtk-x11-2.0.so.0
#20 0xb7c19c1d in _gtk_marshal_VOID__BOXED_UINT () from /usr/lib/libgtk-x11-2.0.so.0
#21 0xb79567dc in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#22 0xb79667d4 in g_signal_chain_from_overridden () from /usr/lib/libgobject-2.0.so.0
#23 0xb7967cfc in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#24 0xb796ab0e in g_signal_emit_by_name () from /usr/lib/libgobject-2.0.so.0
#25 0xb7c74fd2 in gtk_target_list_unref () from /usr/lib/libgtk-x11-2.0.so.0
#26 0xb7c75395 in _gtk_selection_notify () from /usr/lib/libgtk-x11-2.0.so.0
#27 0xb7c1b780 in _gtk_marshal_BOOLEAN__BOXED () from /usr/lib/libgtk-x11-2.0.so.0
#28 0xb7955018 in g_value_set_boxed () from /usr/lib/libgobject-2.0.so.0
#29 0xb79567dc in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#30 0xb7966bb5 in g_signal_chain_from_overridden () from /usr/lib/libgobject-2.0.so.0
#31 0xb7967ac2 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#32 0xb7967eae in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#33 0xb7d2ebf8 in gtk_widget_get_default_style () from /usr/lib/libgtk-x11-2.0.so.0
#34 0xb7c15e69 in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0
#35 0xb7a9e87a in _gdk_events_init () from /usr/lib/libgdk-x11-2.0.so.0
#36 0xb78e3cf6 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#37 0xb78e6fce in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#38 0xb78e7358 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#39 0xb7c161f4 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#40 0x0810fe4d in main ()