I am getting this aswell (AMD64)

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 46912600594000 (LWP 7479)]
0x00002aaaae4d1a78 in CORBA_free () from /usr/lib/libORBit-2.so.0
(gdb) bt
#0  0x00002aaaae4d1a78 in CORBA_free () from /usr/lib/libORBit-2.so.0
#1  0x00002aaaae4d19b9 in ORBit_free_T () from /usr/lib/libORBit-2.so.0
#2  0x00002aaaae4d19fd in ORBit_free () from /usr/lib/libORBit-2.so.0
#3  0x00002aaab5681fd9 in gnome_accessibility_module_shutdown ()
   from /usr/lib/gtk-2.0/modules/libatk-bridge.so
#4  0x00002aaab5682773 in gnome_accessibility_module_shutdown ()
   from /usr/lib/gtk-2.0/modules/libatk-bridge.so
#5  0x00002aaaae6257fd in signal_emit_unlocked_R (node=0x6155c0, detail=536,
    instance=0xa14630, emission_return=0x0, instance_and_params=0x7fffff961660)
    at gsignal.c:2404
#6  0x00002aaaae626fcc in IA__g_signal_emit_valist (instance=0xa14630,
    signal_id=<value optimized out>, detail=536, var_args=0x7fffff9618e0)
    at gsignal.c:2197
#7  0x00002aaaae627383 in IA__g_signal_emit (instance=0x7fffff961160,
    signal_id=0, detail=10922) at gsignal.c:2241
#8  0x00002aaaac34fc61 in atk_object_initialize ()
   from /usr/lib/libatk-1.0.so.0
#9  0x00002aaaae616910 in IA__g_closure_invoke (closure=0x542ed0, return_value=dwarf2_read_address: Corrupted DWARF expression.

) at gclosure.c:490
#10 0x00002aaaae625630 in signal_emit_unlocked_R (node=0x543360, detail=536,
    instance=0xa14630, emission_return=0x0, instance_and_params=0x7fffff961d00)
    at gsignal.c:2368
#11 0x00002aaaae626fcc in IA__g_signal_emit_valist (instance=0xa14630,
---Type <return> to continue, or q <return> to quit---
    signal_id=<value optimized out>, detail=536, var_args=0x7fffff961f80)
    at gsignal.c:2197
#12 0x00002aaaae627383 in IA__g_signal_emit (instance=0x7fffff961160,
    signal_id=0, detail=10922) at gsignal.c:2241
#13 0x00002aaaae618289 in g_object_dispatch_properties_changed (
    object=0xa14630, n_pspecs=1, pspecs=<value optimized out>) at gobject.c:561
#14 0x00002aaaae61b9ef in IA__g_object_notify (object=0xa14630,
    property_name=<value optimized out>) at gobjectnotifyqueue.c:123
#15 0x00002aaab552787a in NSGetModule ()
   from /usr/lib/firefox/components/libaccessibility.so
#16 0x00002aaab5682cbf in gnome_accessibility_module_shutdown ()
   from /usr/lib/gtk-2.0/modules/libatk-bridge.so
#17 0x00002aaaae6257fd in signal_emit_unlocked_R (node=0x620c40, detail=459,
    instance=0xbd6e30, emission_return=0x0, instance_and_params=0x7fffff9624f0)
    at gsignal.c:2404
#18 0x00002aaaae626fcc in IA__g_signal_emit_valist (instance=0xbd6e30,
    signal_id=<value optimized out>, detail=459, var_args=0x7fffff962770)
    at gsignal.c:2197
#19 0x00002aaaae62a82d in IA__g_signal_emit_by_name (instance=0xbd6e30,
    detailed_signal=0x42db17 "children_changed::add") at gsignal.c:2265
#20 0x0000000000416c25 in yelp_html_printf ()
#21 0x00002aaaae97d96b in g_timeout_dispatch (source=0xbbed90, callback=0,
    user_data=0x2aaa) at gmain.c:3292
---Type <return> to continue, or q <return> to quit---
#22 0x00002aaaae97bacd in IA__g_main_context_dispatch (context=0x599840)
    at gmain.c:1916
#23 0x00002aaaae97ed95 in g_main_context_iterate (context=0x599840, block=1,
    dispatch=1, self=<value optimized out>) at gmain.c:2547
#24 0x00002aaaae97f05a in IA__g_main_loop_run (loop=0x5aa610) at gmain.c:2751
#25 0x00002aaaadff9385 in bonobo_main () from /usr/lib/libbonobo-2.so.0
#26 0x00000000004238b6 in main ()