0x0fcff71c in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
64	  return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
(gdb) bt
#0  0x0fcff71c in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#1  0x0fd013e0 in abort () at abort.c:92
#2  0x0fd42cac in __libc_message (do_abort=2, fmt=0xfe1fc04 "*** glibc detected *** %s: %s: 0x%s ***\n")
    at ../sysdeps/unix/sysv/linux/libc_fatal.c:186
#3  0x0fd4a6b4 in malloc_printerr (action=3, str=0xfe20280 "malloc(): smallbin double linked list corrupted", 
    ptr=<value optimized out>) at malloc.c:6283
#4  0x0fd4d87c in _int_malloc (av=0xfe4b25c, bytes=<value optimized out>) at malloc.c:4308
#5  0x0fd4f718 in __libc_malloc (bytes=16) at malloc.c:3660
#6  0x0df98ee8 in g_malloc (n_bytes=16) at gmem.c:164
#7  0x0dfb7098 in g_slice_alloc (mem_size=16) at gslice.c:842
#8  0x0df6c570 in g_data_set_internal (datalist=0x10cf0478, key_id=1184, data=0x10b11b50, destroy_func=
    0xf6563ac <gfxFontGroup_unref(gpointer)>) at gdataset.c:401
#9  g_datalist_id_set_data_full (datalist=0x10cf0478, key_id=1184, data=0x10b11b50, 
    destroy_func=0xf6563ac <gfxFontGroup_unref(gpointer)>) at gdataset.c:598
#10 0x0e0ba90c in g_object_set_qdata_full (object=0x10cf0470, quark=1184, data=<value optimized out>, 
    destroy=<value optimized out>) at gobject.c:2798
#11 0x0f658404 in SetFontGroup (this=0x10b11b50, aTextRun=0x10cefc80, aUTF8=0xffff6408 "‭ F", aUTF8Length=5, 
    aUTF8HeaderLen=3) at gfxPangoFonts.cpp:906
#12 gfxPangoFontGroup::CreateGlyphRunsItemizing (this=0x10b11b50, aTextRun=0x10cefc80, aUTF8=0xffff6408 "‭ F", 
    aUTF8Length=5, aUTF8HeaderLen=3) at gfxPangoFonts.cpp:3030
#13 0x0f6598e4 in gfxPangoFontGroup::InitTextRun (this=0x10b11b50, aTextRun=0x10cefc80, aUTF8Text=0xffff6408 "‭ F", 
    aUTF8Length=5, aUTF8HeaderLength=3, aTake8BitPath=<value optimized out>) at gfxPangoFonts.cpp:2437
#14 0x0f659af0 in gfxPangoFontGroup::MakeTextRun (this=0x10b11b50, aString=<value optimized out>, aLength=2, 
    aParams=0xffff64b0, aFlags=1) at gfxPangoFonts.cpp:2416
#15 0x0f653788 in TextRunWordCache::MakeTextRun (this=0x10087980, aText=0xffff6c18, aLength=1, aFontGroup=0x10b11b50, 
    aParams=0xffff6b18, aFlags=0) at gfxTextRunWordCache.cpp:685
#16 0x0f651ab8 in gfxTextRunCache::MakeTextRun (aText=0xffff6c18, aLength=1, aFontGroup=0x10b11b50, aRefContext=0x10cea370, 
    aAppUnitsPerDevUnit=60, aFlags=0) at gfxTextRunCache.cpp:93
#17 0x0f55d79c in nsThebesFontMetrics::AutoTextRun::AutoTextRun (this=0xffff6b9c, aMetrics=0x10b11b08, 
    aRC=<value optimized out>, aString=0xffff6c18, aLength=1) at nsThebesFontMetrics.h:171
#18 0x0f55c840 in nsThebesFontMetrics::GetWidth (this=<value optimized out>, aString=<value optimized out>, aLength=1, 
    aWidth=@0xffff6bd8, aFontID=<value optimized out>, aContext=<value optimized out>) at nsThebesFontMetrics.cpp:341
#19 0x0f55b0c0 in nsThebesRenderingContext::GetWidthInternal (this=<value optimized out>, aString=<value optimized out>, 
    aLength=<value optimized out>, aWidth=<value optimized out>, aFontID=<value optimized out>)
    at nsThebesRenderingContext.cpp:1305
#20 0x0f55b140 in nsThebesRenderingContext::GetWidth (this=0x10ce9c10, aString=0xffff6c18, aLength=1, aWidth=@0x10cef910, 
    aFontID=<value optimized out>) at nsThebesRenderingContext.cpp:930
#21 0x0f559a9c in nsThebesRenderingContext::GetWidth (this=<value optimized out>, aC=value has been optimized out
) at nsThebesRenderingContext.cpp:871
#22 0x0ef90a50 in nsTextBoxFrame::CalculateUnderline (this=0x100f5618, aRenderingContext=...) at nsTextBoxFrame.cpp:641
#23 0x0ef92190 in nsTextBoxFrame::DrawText (this=0x100f5618, aRenderingContext=..., aTextRect=..., aOverrideColor=0x0)
    at nsTextBoxFrame.cpp:493
#24 0x0ef926d0 in nsTextBoxFrame::PaintTitle (this=0x100f5618, aRenderingContext=..., aDirtyRect=..., 
    aPt=<value optimized out>) at nsTextBoxFrame.cpp:398
#25 0x0ef9272c in nsDisplayXULTextBox::Paint (this=0x10ceb2dc, aBuilder=<value optimized out>, aCtx=0x10ce9c10)
    at nsTextBoxFrame.cpp:351
#26 0x0ee53710 in nsDisplayList::Paint (this=<value optimized out>, aBuilder=0xffff6f00, aCtx=0x10ce9c10)
    at nsDisplayList.cpp:405
#27 0x0ee5378c in Paint (this=0x10cec3a0, aBuilder=0xffff6f00, aCtx=0x10ce9c10) at nsDisplayList.cpp:1007
#28 nsDisplayClip::Paint (this=0x10cec3a0, aBuilder=0xffff6f00, aCtx=0x10ce9c10) at nsDisplayList.cpp:1203
#29 0x0ee53710 in nsDisplayList::Paint (this=<value optimized out>, aBuilder=0xffff6f00, aCtx=0x10ce9c10)
    at nsDisplayList.cpp:405
#30 0x0ee66f5c in nsLayoutUtils::PaintFrame (aRenderingContext=0x10ce9c10, aFrame=<value optimized out>, 
    aDirtyRegion=<value optimized out>, aBackstop=<value optimized out>, aFlags=<value optimized out>)
    at nsLayoutUtils.cpp:1161
#31 0x0ee75108 in PresShell::Paint (this=0x10706570, aView=0x10706178, aRenderingContext=0x10ce9c10, aDirtyRegion=...)
    at nsPresShell.cpp:5844
#32 0x0f1366e4 in nsViewManager::RenderViews (this=0x10706120, aView=<value optimized out>, aRC=..., aRegion=...)
    at nsViewManager.cpp:533
#33 0x0f137f0c in nsViewManager::Refresh (this=0x10706120, aView=<value optimized out>, aContext=<value optimized out>, 
    aRegion=<value optimized out>, aUpdateFlags=1) at nsViewManager.cpp:492
#34 0x0f138fa8 in nsViewManager::DispatchEvent (this=0x10706120, aEvent=0xffff7588, aView=<value optimized out>, 
    aStatus=<value optimized out>) at nsViewManager.cpp:1008
#35 0x0f133268 in HandleEvent (aEvent=<value optimized out>) at nsView.cpp:167
#36 0x0f5246c0 in nsWindow::DispatchEvent (this=0x107061d0, aEvent=<value optimized out>, aStatus=@0xffff7494)
    at nsWindow.cpp:626
#37 0x0f52e4d4 in nsWindow::OnExposeEvent (this=0x107061d0, aWidget=<value optimized out>, aEvent=0xffff7a48)
    at nsWindow.cpp:2614
#38 0x0f52e79c in expose_event_cb (widget=0x102e7db0, event=0xffff7a48) at nsWindow.cpp:5828
#39 0x0dbcb100 in _gtk_marshal_BOOLEAN__BOXED (closure=0x103e6dc8, return_value=0xffff7750, 
    n_param_values=<value optimized out>, param_values=0x10ce9958, invocation_hint=<value optimized out>, 
    marshal_data=<value optimized out>) at gtkmarshalers.c:86
#40 0x0e0afd60 in g_closure_invoke (closure=0x103e6dc8, return_value=0xffff7750, n_param_values=2, param_values=0x10ce9958, 
    invocation_hint=0xffff7770) at gclosure.c:766
#41 0x0e0c5d48 in signal_emit_unlocked_R (node=0x10066ad8, detail=0, instance=0x102e7db0, emission_return=0xffff7818, 
#42 0x0e0cf468 in g_signal_emit_valist (instance=0x102e7db0, signal_id=<value optimized out>, detail=0, var_args=0xffff7938)
    at gsignal.c:2993
#43 0x0e0cf920 in g_signal_emit (instance=<value optimized out>, signal_id=<value optimized out>, detail=<value optimized out>)
    at gsignal.c:3040
#44 0x0dd52a74 in gtk_widget_event_internal (widget=0x102e7db0, event=0xffff7a48) at gtkwidget.c:4977
#45 0x0dbc8b50 in IA__gtk_main_do_event (event=0xffff7a48) at gtkmain.c:1601
#46 0x0d9479f4 in _gdk_window_process_updates_recurse (window=0x107062d8, expose_region=0x102e8f70) at gdkwindow.c:5424
#47 0x0d98c6d4 in _gdk_windowing_window_process_updates_recurse (window=<value optimized out>, region=<value optimized out>)
    at gdkwindow-x11.c:5567
#48 0x0d940ad4 in gdk_window_process_updates_internal (window=0x107062d8) at gdkwindow.c:5583
#49 0x0d943ac4 in IA__gdk_window_process_updates (window=0x107062d8, update_children=1) at gdkwindow.c:5757
#50 0x0d943a7c in IA__gdk_window_process_updates (window=0x10410270, update_children=<value optimized out>) at gdkwindow.c:5773
#51 0x0d943a7c in IA__gdk_window_process_updates (window=0x1040d318, update_children=<value optimized out>) at gdkwindow.c:5773
#52 0x0dd69198 in gtk_window_move_resize (container=<value optimized out>) at gtkwindow.c:6246
#53 gtk_window_check_resize (container=<value optimized out>) at gtkwindow.c:5408
#54 0x0e0d01d0 in g_cclosure_marshal_VOID__VOID (closure=0x10550fe0, return_value=<value optimized out>, 
    n_param_values=<value optimized out>, param_values=<value optimized out>, invocation_hint=<value optimized out>, 
    marshal_data=<value optimized out>) at gmarshal.c:79
#55 0x0e0adff8 in g_type_class_meta_marshal (closure=0x10550fe0, return_value=0x0, n_param_values=1, param_values=0x10ce9a98, 
    invocation_hint=0xffff7d70, marshal_data=0x174) at gclosure.c:877
#56 0x0e0afd60 in g_closure_invoke (closure=0x10550fe0, return_value=0x0, n_param_values=1, param_values=0x10ce9a98, 
    invocation_hint=0xffff7d70) at gclosure.c:766
#57 0x0e0c5840 in signal_emit_unlocked_R (node=0x10551010, detail=0, instance=0x104fce38, emission_return=0x0, 
    instance_and_params=0x10ce9a98) at gsignal.c:3290
#58 0x0e0cf758 in g_signal_emit_valist (instance=0x104fce38, signal_id=<value optimized out>, detail=0, var_args=0xffff7f38)
    at gsignal.c:2983
#59 0x0e0cf920 in g_signal_emit (instance=<value optimized out>, signal_id=<value optimized out>, detail=<value optimized out>)
    at gsignal.c:3040
#60 0x0db16c08 in IA__gtk_container_check_resize (container=0x104fce38) at gtkcontainer.c:1431
#61 0x0db17070 in gtk_container_idle_sizer (data=<value optimized out>) at gtkcontainer.c:1356
#62 0x0d915480 in gdk_threads_dispatch (data=0x10c65ff0) at gdk.c:512
#63 0x0df8b694 in g_idle_dispatch (source=<value optimized out>, callback=<value optimized out>, 
    user_data=<value optimized out>) at gmain.c:4254
#64 0x0df909ec in g_main_dispatch (context=0x10050f90) at gmain.c:2149
#65 g_main_context_dispatch (context=0x10050f90) at gmain.c:2702
#66 0x0df911e8 in g_main_context_iterate (context=0x10050f90, block=1, dispatch=1, self=<value optimized out>) at gmain.c:2780
#67 0x0df914c4 in g_main_context_iteration (context=0x10050f90, may_block=1) at gmain.c:2843
#68 0x0f5315e0 in nsAppShell::ProcessNextNativeEvent (this=<value optimized out>, mayWait=<value optimized out>)
    at nsAppShell.cpp:147
#69 0x0f545b90 in nsBaseAppShell::DoProcessNextNativeEvent (this=0x105359d8, mayWait=<value optimized out>)
    at nsBaseAppShell.cpp:155
#70 0x0f545ce8 in nsBaseAppShell::OnProcessNextEvent (this=0x105359d8, thr=0x1006d658, mayWait=1, 
    recursionDepth=<value optimized out>) at nsBaseAppShell.cpp:311
#71 0x0f60d8fc in nsThread::ProcessNextEvent (this=0x1006d658, mayWait=1, result=0xffff81f8) at nsThread.cpp:508
#72 0x0f5d2f34 in NS_ProcessNextEvent_P (thread=<value optimized out>, mayWait=<value optimized out>) at nsThreadUtils.cpp:250
#73 0x0f5458d0 in nsBaseAppShell::Run (this=0x105359d8) at nsBaseAppShell.cpp:177
#74 0x0f3f4538 in nsAppStartup::Run (this=0x105a44a8) at nsAppStartup.cpp:183
#75 0x0ec9fbf8 in XRE_main (argc=<value optimized out>, argv=<value optimized out>, aAppData=<value optimized out>)
    at nsAppRunner.cpp:3483
#76 0x100015c8 in ?? ()
#77 0x0fce7a0c in generic_start_main (main=0x10000f88, argc=1, ubp_av=0xffffdb14, auxvec=0xffffdc28, 
    init=<value optimized out>, rtld_fini=<value optimized out>, fini=<value optimized out>, stack_end=<value optimized out>)
    at ../csu/libc-start.c:226
#78 0x0fce7bb0 in __libc_start_main (argc=<value optimized out>, ubp_av=<value optimized out>, ubp_ev=<value optimized out>, 
    auxvec=<value optimized out>, rtld_fini=<value optimized out>, stinfo=<value optimized out>, 
    stack_on_entry=<value optimized out>) at ../sysdeps/unix/sysv/linux/powerpc/libc-start.c:92
#79 0x00000000 in ?? ()