Thread 1 (Thread 1076084080 (LWP 22583)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0x40195f59 in fork () from /lib/tls/i686/cmov/libc.so.6
#2  0x400db2d4 in fork () from /lib/tls/i686/cmov/libpthread.so.0
#3  0x4008d049 in g_spawn_error_quark () from /usr/lib/libglib-2.0.so.0
#4  0x4008dc3b in g_spawn_sync () from /usr/lib/libglib-2.0.so.0
#5  0x4008e0dc in g_spawn_command_line_sync () from /usr/lib/libglib-2.0.so.0
#6  0x08161d39 in mono_handle_native_sigsegv (signal=11, ctx=0xbff4f9ac)
    at mini-exceptions.c:1065
#7  0x0812b6a8 in sigsegv_signal_handler (_dummy=11, info=0xbff4f92c, 
    context=0xbff4f9ac) at mini.c:11166
#8  <signal handler called>
#9  0x424f8d9b in gtk_text_layout_free_line_display ()
   from /usr/lib/libgtk-x11-2.0.so.0
#10 0x424f9df1 in gtk_text_layout_get_line_display ()
   from /usr/lib/libgtk-x11-2.0.so.0
#11 0x424fd249 in gtk_text_layout_new () from /usr/lib/libgtk-x11-2.0.so.0
#12 0x424f82bf in gtk_text_layout_wrap () from /usr/lib/libgtk-x11-2.0.so.0
#13 0x424dc335 in _gtk_text_btree_validate_line ()
   from /usr/lib/libgtk-x11-2.0.so.0
#14 0x424dc646 in _gtk_text_btree_validate () from /usr/lib/libgtk-x11-2.0.so.0
#15 0x424fbef6 in gtk_text_layout_validate () from /usr/lib/libgtk-x11-2.0.so.0
#16 0x42509553 in gtk_text_view_set_cursor_visible ()
   from /usr/lib/libgtk-x11-2.0.so.0
#17 0x40060aa1 in g_source_is_destroyed () from /usr/lib/libglib-2.0.so.0
#18 0x40062802 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#19 0x400657df in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#20 0x40065b89 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#21 0x4244b574 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#22 0x45ef5e08 in ?? ()
#23 0x00000000 in ?? ()
#0  0xffffe410 in __kernel_vsyscall ()