(gdb) run
Starting program: /home/gnome/head/cairo-test/test-random-xlib

Program received signal SIGPIPE, Broken pipe.
0xffffe410 in __kernel_vsyscall ()
(gdb) bt
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb78fc25b in writev () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7a5d669 in XWriteBitmapFile () from /usr/lib/libX11.so.6
#3  0xb7a5d8f0 in _X11TransWritev () from /usr/lib/libX11.so.6
#4  0xb7a62987 in _XSend () from /usr/lib/libX11.so.6
#5  0xb7aed11a in XRenderCompositeTrapezoids () from /usr/lib/libXrender.so.1
#6  0xb7b10cff in cairo_test_xlib_disable_render () from /usr/lib/libcairo.so.2
#7  0xb7b04dec in cairo_surface_create_similar () from /usr/lib/libcairo.so.2
#8  0xb7afd172 in cairo_font_options_get_hint_metrics ()
   from /usr/lib/libcairo.so.2
#9  0xb7afc8be in cairo_font_options_get_hint_metrics ()
   from /usr/lib/libcairo.so.2
#10 0xb7afd567 in cairo_font_options_get_hint_metrics ()
   from /usr/lib/libcairo.so.2
#11 0xb7afd7bf in cairo_font_options_get_hint_metrics ()
   from /usr/lib/libcairo.so.2
#12 0xb7afd88a in cairo_font_options_get_hint_metrics ()
   from /usr/lib/libcairo.so.2
#13 0xb7af79a5 in cairo_stroke_preserve () from /usr/lib/libcairo.so.2
#14 0xb7af79cc in cairo_stroke () from /usr/lib/libcairo.so.2
#15 0x08048d20 in expose ()
#16 0xb7db902c in _gtk_marshal_BOOLEAN__BOXED (closure=0x8089650,
    return_value=0xbff934b0, n_param_values=2, param_values=0xbff9359c,
---Type <return> to continue, or q <return> to quit---
    invocation_hint=0xbff9349c, marshal_data=0x8048bf0) at gtkmarshalers.c:83
#17 0xb79f93a8 in IA__g_closure_invoke (closure=0x8089650,
    return_value=0xffffffe0, n_param_values=4294967264,
    param_values=0xffffffe0, invocation_hint=0xffffffe0) at gclosure.c:492
#18 0xb7a07b13 in signal_emit_unlocked_R (node=0x807e138, detail=0,
    instance=0x809a040, emission_return=0xbff9371c,
    instance_and_params=0xbff9359c) at gsignal.c:2485
#19 0xb7a08ec3 in IA__g_signal_emit_valist (instance=0x809a040, signal_id=33,
    detail=0, var_args=0xbff937a0 "\uffff7\uffff\uffff@8\uffff\uffff@\uffff\t\b\uffff\uffff\uffff\uffff@\uffff\t\bH\225\a\b")
    at gsignal.c:2254
#20 0xb7a094c3 in IA__g_signal_emit (instance=0xffffffe0,
    signal_id=4294967264, detail=4294967264) at gsignal.c:2288
#21 0xb7e9b16f in gtk_widget_event_internal (widget=0x809a040,
    event=0xbff93840) at gtkwidget.c:3735
#22 0xb7db7d72 in IA__gtk_main_do_event (event=0xbff93840) at gtkmain.c:1364
#23 0xb7c49bfa in gdk_window_process_updates_internal (window=0x80a0740)
    at gdkwindow.c:2215
#24 0xb7c49ccd in IA__gdk_window_process_all_updates () at gdkwindow.c:2268
#25 0xb7c49d4e in gdk_window_update_idle (data=0x0) at gdkwindow.c:2136
#26 0xb798f750 in g_idle_dispatch (source=0x80a1ee8,
    callback=0xb7c49d29 <gdk_window_update_idle>, user_data=0xffffffe0)
    at gmain.c:3813
#27 0xb798d4ee in IA__g_main_context_dispatch (context=0x8078750)
---Type <return> to continue, or q <return> to quit---
    at gmain.c:1934
#28 0xb79904f6 in g_main_context_iterate (context=0x8078750, block=1,
    dispatch=1, self=0x808ad00) at gmain.c:2565
#29 0xb79907e3 in IA__g_main_loop_run (loop=0x80a1978) at gmain.c:2769
#30 0xb7db6e65 in IA__gtk_main () at gtkmain.c:985
#31 0x08048be3 in main ()