What is cause of this error????



Hi,
I have some error about my program.
It make my program terminate.
 
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 8192 (LWP 22876)]
0x420741b1 in malloc_consolidate () from /lib/i686/libc.so.6
(gdb) bt
#0  0x420741b1 in malloc_consolidate () from /lib/i686/libc.so.6
#1  0x42073ab7 in _int_malloc () from /lib/i686/libc.so.6
#2  0x42073155 in malloc () from /lib/i686/libc.so.6
#3  0x403b4edd in g_try_malloc () from /usr/lib/libglib-2.0.so.0
#4  0x402dba9e in gdk_pixbuf_new () from /usr/lib/libgdk_pixbuf-2.0.so.0
#5  0x4057a8b8 in replicate_single () from /usr/lib/gtk-2.0/2.0.0/engines/libpixmap.so
#6  0x4057aed0 in pixbuf_render () from /usr/lib/gtk-2.0/2.0.0/engines/libpixmap.so
#7  0x4057b9e3 in theme_pixbuf_render () from /usr/lib/gtk-2.0/2.0.0/engines/libpixmap.so
#8  0x40578035 in draw_simple_image () from /usr/lib/gtk-2.0/2.0.0/engines/libpixmap.so
#9  0x40579357 in draw_flat_box () from /usr/lib/gtk-2.0/2.0.0/engines/libpixmap.so
#10 0x4013ca8f in gtk_paint_flat_box () from /usr/lib/libgtk-x11-2.0.so.0
#11 0x400a518c in gtk_entry_expose () from /usr/lib/libgtk-x11-2.0.so.0
#12 0x400e60e4 in _gtk_marshal_BOOLEAN__BOXED () from /usr/lib/libgtk-x11-2.0.so.0
#13 0x40355467 in g_type_class_meta_marshal () from /usr/lib/libgobject-2.0.so.0
#14 0x403550c0 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#15 0x40369369 in signal_emit_unlocked_R () from /usr/lib/libgobject-2.0.so.0
#16 0x40368689 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#17 0x40128fdf in gtk_signal_emit () from /usr/lib/libgtk-x11-2.0.so.0
#18 0x401cc413 in gtk_widget_event_internal () from /usr/lib/libgtk-x11-2.0.so.0
#19 0x400e4b1c in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0
#20 0x4028969f in gdk_window_process_updates_internal () from /usr/lib/libgdk-x11-2.0.so.0
#21 0x4028973a in gdk_window_process_all_updates () from /usr/lib/libgdk-x11-2.0.so.0
#22 0x402897a1 in gdk_window_update_idle () from /usr/lib/libgdk-x11-2.0.so.0
#23 0x403b1c83 in g_idle_dispatch () from /usr/lib/libglib-2.0.so.0
#24 0x403aef65 in g_main_dispatch () from /usr/lib/libglib-2.0.so.0
#25 0x403aff98 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#26 0x403b02ad in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#27 0x403b0a1f in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#28 0x400e439f in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#29 0x0804e046 in main (argc=2, argv=0xbffff7f4) at main.cc:212
#30 0x420158d4 in __libc_start_main () from /lib/i686/libc.so.6
 

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 8192 (LWP 18072)]
0x420741df in malloc_consolidate () from /lib/i686/libc.so.6
 
#0  0x420741df in malloc_consolidate () from /lib/i686/libc.so.6
#1  0x42073ab7 in _int_malloc () from /lib/i686/libc.so.6
#2  0x42073155 in malloc () from /lib/i686/libc.so.6
#3  0x403b4d39 in g_malloc () from /usr/lib/libglib-2.0.so.0
#4  0x40338438 in fribidi_analyse_string () from /usr/lib/libpango-1.0.so.0
#5  0x40338d44 in pango_log2vis_get_embedding_levels () from /usr/lib/libpango-1.0.so.0
#6  0x40329ca6 in pango_itemize () from /usr/lib/libpango-1.0.so.0
#7  0x40330c4f in pango_layout_check_lines () from /usr/lib/libpango-1.0.so.0
#8  0x4032f354 in pango_layout_get_extents_internal () from /usr/lib/libpango-1.0.so.0
#9  0x4032f659 in pango_layout_get_extents () from /usr/lib/libpango-1.0.so.0
#10 0x4016f530 in gtk_text_layout_get_line_display () from /usr/lib/libgtk-x11-2.0.so.0
#11 0x4016e027 in gtk_text_layout_real_wrap () from /usr/lib/libgtk-x11-2.0.so.0
#12 0x4016d3df in gtk_text_layout_wrap () from /usr/lib/libgtk-x11-2.0.so.0
#13 0x40156174 in _gtk_text_btree_validate_line () from /usr/lib/libgtk-x11-2.0.so.0
#14 0x4016dd79 in gtk_text_layout_validate_yrange () from /usr/lib/libgtk-x11-2.0.so.0
#15 0x4017e859 in gtk_text_view_validate_onscreen () from /usr/lib/libgtk-x11-2.0.so.0
#16 0x4017e977 in gtk_text_view_flush_first_validate () from /usr/lib/libgtk-x11-2.0.so.0
#17 0x4017e9b7 in first_validate_callback () from /usr/lib/libgtk-x11-2.0.so.0
#18 0x403b1c83 in g_idle_dispatch () from /usr/lib/libglib-2.0.so.0
#19 0x403aef65 in g_main_dispatch () from /usr/lib/libglib-2.0.so.0
#20 0x403aff98 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#21 0x403b02ad in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#22 0x403b0a1f in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#23 0x400e439f in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#24 0x0804e086 in main (argc=3, argv=0xbffff7f4) at main.cc:212
#25 0x420158d4 in __libc_start_main () from /lib/i686/libc.so.6
Please, help me.
Thanks.


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