. Thread 4 (Thread 5314): #0 0x00dc4422 in __kernel_vsyscall () #1 0x01208c16 in poll () from /lib/tls/i686/cmov/libc.so.6 #2 0x023c65fc in ?? () from /usr/lib/libnspr4.so #3 0xb61181e7 in ?? () from /usr/lib/xulrunner-1.9.1.2/libxul.so #4 0xb61186e8 in ?? () from /usr/lib/xulrunner-1.9.1.2/libxul.so #5 0xb61188fb in ?? () from /usr/lib/xulrunner-1.9.1.2/libxul.so #6 0xb68be5ca in ?? () from /usr/lib/xulrunner-1.9.1.2/libxul.so #7 0xb688f057 in ?? () from /usr/lib/xulrunner-1.9.1.2/libxul.so #8 0xb61183e6 in ?? () from /usr/lib/xulrunner-1.9.1.2/libxul.so #9 0xb68be625 in ?? () from /usr/lib/xulrunner-1.9.1.2/libxul.so #10 0xb688f057 in ?? () from /usr/lib/xulrunner-1.9.1.2/libxul.so #11 0xb68bed27 in ?? () from /usr/lib/xulrunner-1.9.1.2/libxul.so #12 0x023cac07 in ?? () from /usr/lib/libnspr4.so #13 0x0069680e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #14 0x0121685e in clone () from /lib/tls/i686/cmov/libc.so.6 . Thread 3 (Thread 5315): #0 0x00dc4422 in __kernel_vsyscall () #1 0x0069b142 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0x023c3a4e in ?? () from /usr/lib/libnspr4.so #3 0x023c4834 in PR_WaitCondVar () from /usr/lib/libnspr4.so #4 0xb68c1d2a in ?? () from /usr/lib/xulrunner-1.9.1.2/libxul.so #5 0xb68be625 in ?? () from /usr/lib/xulrunner-1.9.1.2/libxul.so #6 0xb688f057 in ?? () from /usr/lib/xulrunner-1.9.1.2/libxul.so #7 0xb68bed27 in ?? () from /usr/lib/xulrunner-1.9.1.2/libxul.so #8 0x023cac07 in ?? () from /usr/lib/libnspr4.so #9 0x0069680e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #10 0x0121685e in clone () from /lib/tls/i686/cmov/libc.so.6 . Thread 2 (Thread 5313): #0 0x00dc4422 in __kernel_vsyscall () #1 0x0069b142 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0x023c3a4e in ?? () from /usr/lib/libnspr4.so #3 0x023c4834 in PR_WaitCondVar () from /usr/lib/libnspr4.so #4 0xb60b715c in ?? () from /usr/lib/xulrunner-1.9.1.2/libxul.so #5 0x023cac07 in ?? () from /usr/lib/libnspr4.so #6 0x0069680e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #7 0x0121685e in clone () from /lib/tls/i686/cmov/libc.so.6 . Thread 1 (Thread 5312): #0 0x080add38 in main_update_parallel_page () #1 0x08089a80 in on_combobox8_changed () #2 0x0528615c in g_cclosure_marshal_VOID__VOID () from /usr/lib/libgobject-2.0.so.0 #3 0x05278102 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 #4 0x0528eae8 in ?? () from /usr/lib/libgobject-2.0.so.0 #5 0x0528fecd in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 #6 0x05290386 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 #7 0x059b6ba4 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #8 0x059b8fa7 in gtk_combo_box_set_active_iter () from /usr/lib/libgtk-x11-2.0.so.0 #9 0x059b90d7 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #10 0x0528615c in g_cclosure_marshal_VOID__VOID () from /usr/lib/libgobject-2.0.so.0 #11 0x05278102 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 #12 0x0528eae8 in ?? () from /usr/lib/libgobject-2.0.so.0 #13 0x0528fecd in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 #14 0x05290386 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 #15 0x05ba41f7 in gtk_widget_activate () from /usr/lib/libgtk-x11-2.0.so.0 #16 0x05a79080 in gtk_menu_shell_activate_item () from /usr/lib/libgtk-x11-2.0.so.0 #17 0x05a7b0a3 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #18 0x05a6ebee in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #19 0x05a672c8 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #20 0x05276789 in ?? () from /usr/lib/libgobject-2.0.so.0 #21 0x05278102 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 #22 0x0528e7db in ?? () from /usr/lib/libgobject-2.0.so.0 #23 0x0528fd88 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 #24 0x05290386 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 #25 0x05b9cb7e in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #26 0x05a5e8b0 in gtk_propagate_event () from /usr/lib/libgtk-x11-2.0.so.0 #27 0x05a5fcda in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0 #28 0x0474dc4a in ?? () from /usr/lib/libgdk-x11-2.0.so.0 #29 0x0648dc48 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #30 0x064914f0 in ?? () from /usr/lib/libglib-2.0.so.0 #31 0x0649195f in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #32 0x05a602f9 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0 #33 0x080a71b5 in main ()