Dear Damon, Thanks for you prompt reply. I will try out the things you have suggested.
Below is the trace back that we get on Valgrind when Custom widget xgrid_color is loaded ==18524== ==18524== Use of uninitialised value of size 4 ==18524== at 0x5E9E629: (within /usr/lib/libgdk-x11-2.0.so.0.400.13) ==18524== by 0x5EA1A64: (within /usr/lib/libgdk-x11-2.0.so.0.400.13) ==18524== by 0x5EA2309: gdk_draw_rgb_image_dithalign (in /usr/lib/libgdk-x11-2.0.so.0.400.13) ==18524== by 0x5E936D2: (within /usr/lib/libgdk-x11-2.0.so.0.400.13) ==18524== by 0x5EB708E: (within /usr/lib/libgdk-x11-2.0.so.0.400.13) ==18524== by 0x5E92222: gdk_draw_pixbuf (in /usr/lib/libgdk-x11-2.0.so.0.400.13) ==18524== by 0x5E9BF22: (within /usr/lib/libgdk-x11-2.0.so.0.400.13) ==18524== by 0x5E92222: gdk_draw_pixbuf (in /usr/lib/libgdk-x11-2.0.so.0.400.13) ==18524== by 0x5E9C510: (within /usr/lib/libgdk-x11-2.0.so.0.400.13) ==18524== by 0x5E9C884: gdk_pixmap_colormap_create_from_xpm_d (in /usr/lib/libgdk-x11-2.0.so.0.400.13) ==18524== by 0x80973FF: xptui_color_block_pixmap_new(char const*) (callbacks.C:252) ==18524== by 0x80978EF: xptui_color_combo (callbacks.C:379) ==18524== ==18524== Conditional jump or move depends on uninitialised value(s) ==18524== at 0x5E9B4EF: gdk_pixbuf_render_threshold_alpha (in /usr/lib/libgdk-x11-2.0.so.0.400.13) ==18524== by 0x5E9B933: gdk_pixbuf_render_pixmap_and_mask_for_colormap (in /usr/lib/libgdk-x11-2.0.so.0.400.13) ==18524== by 0x5E9C54D: (within /usr/lib/libgdk-x11-2.0.so.0.400.13) ==18524== by 0x5E9C884: gdk_pixmap_colormap_create_from_xpm_d (in /usr/lib/libgdk-x11-2.0.so.0.400.13) ==18524== by 0x80973FF: xptui_color_block_pixmap_new(char const*) (callbacks.C:252) ==18524== by 0x80978EF: xptui_color_combo (callbacks.C:379) ==18524== by 0x5FCA578: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC542: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC828: glade_standard_build_children (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC5A7: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FD3454: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== ==18524== Conditional jump or move depends on uninitialised value(s) ==18524== at 0x5E9B52E: gdk_pixbuf_render_threshold_alpha (in /usr/lib/libgdk-x11-2.0.so.0.400.13) ==18524== by 0x5E9B933: gdk_pixbuf_render_pixmap_and_mask_for_colormap (in /usr/lib/libgdk-x11-2.0.so.0.400.13) ==18524== by 0x5E9C54D: (within /usr/lib/libgdk-x11-2.0.so.0.400.13) ==18524== by 0x5E9C884: gdk_pixmap_colormap_create_from_xpm_d (in /usr/lib/libgdk-x11-2.0.so.0.400.13) ==18524== by 0x80973FF: xptui_color_block_pixmap_new(char const*) (callbacks.C:252) ==18524== by 0x80978EF: xptui_color_combo (callbacks.C:379) ==18524== by 0x5FCA578: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC542: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC828: glade_standard_build_children (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC5A7: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FD3454: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== ==18524== Invalid write of size 4 ==18524== at 0x5DFB1CB: gtk_color_combo_construct_with_values (gtkcolorcombo.c:560) ==18524== by 0x5DFB229: gtk_color_combo_new_with_values (gtkcolorcombo.c:539) ==18524== by 0x8097A1A: xptui_color_combo (callbacks.C:390) ==18524== by 0x5FCA578: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC542: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC828: glade_standard_build_children (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC5A7: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FD3454: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC5A7: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC828: glade_standard_build_children (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== Address 0x7E376B8 is 8 bytes before a block of size 768 alloc'd ==18524== at 0x40056BF: calloc (vg_replace_malloc.c:279) ==18524== by 0x55BBDF: g_malloc0 (in /usr/lib/libglib-2.0.so.0.400.7) ==18524== by 0x5DFB19D: gtk_color_combo_construct_with_values (gtkcolorcombo.c:554) ==18524== by 0x5DFB229: gtk_color_combo_new_with_values (gtkcolorcombo.c:539) ==18524== by 0x8097A1A: xptui_color_combo (callbacks.C:390) ==18524== by 0x5FCA578: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC542: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC828: glade_standard_build_children (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC5A7: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FD3454: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== ==18524== Invalid write of size 4 ==18524== at 0x5DFB1D7: gtk_color_combo_construct_with_values (gtkcolorcombo.c:560) ==18524== by 0x5DFB229: gtk_color_combo_new_with_values (gtkcolorcombo.c:539) ==18524== by 0x8097A1A: xptui_color_combo (callbacks.C:390) ==18524== by 0x5FCA578: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC542: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC828: glade_standard_build_children (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC5A7: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FD3454: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC5A7: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC828: glade_standard_build_children (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== Address 0x7E376BC is 4 bytes before a block of size 768 alloc'd ==18524== at 0x40056BF: calloc (vg_replace_malloc.c:279) ==18524== by 0x55BBDF: g_malloc0 (in /usr/lib/libglib-2.0.so.0.400.7) ==18524== by 0x5DFB19D: gtk_color_combo_construct_with_values (gtkcolorcombo.c:554) ==18524== by 0x5DFB229: gtk_color_combo_new_with_values (gtkcolorcombo.c:539) ==18524== by 0x8097A1A: xptui_color_combo (callbacks.C:390) ==18524== by 0x5FCA578: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC542: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC828: glade_standard_build_children (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC5A7: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FD3454: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC5A7: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FD3454: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== ==18524== Invalid write of size 4 ==18524== at 0x5DFB1CB: gtk_color_combo_construct_with_values (gtkcolorcombo.c:560) ==18524== by 0x5DFB229: gtk_color_combo_new_with_values (gtkcolorcombo.c:539) ==18524== by 0x8097A1A: xptui_color_combo (callbacks.C:390) ==18524== by 0x5FCA578: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC542: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC828: glade_standard_build_children (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC5A7: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FD3454: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC5A7: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC828: glade_standard_build_children (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== Address 0x7E376B4 is 12 bytes before a block of size 768 alloc'd ==18524== at 0x40056BF: calloc (vg_replace_malloc.c:279) ==18524== by 0x55BBDF: g_malloc0 (in /usr/lib/libglib-2.0.so.0.400.7) ==18524== by 0x5DFB19D: gtk_color_combo_construct_with_values (gtkcolorcombo.c:554) ==18524== by 0x5DFB229: gtk_color_combo_new_with_values (gtkcolorcombo.c:539) ==18524== by 0x8097A1A: xptui_color_combo (callbacks.C:390) ==18524== by 0x5FCA578: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC542: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC828: glade_standard_build_children (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC5A7: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FD3454: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== ==18524== Invalid write of size 4 ==18524== at 0x5DFB1D1: gtk_color_combo_construct_with_values (gtkcolorcombo.c:560) ==18524== by 0x5DFB229: gtk_color_combo_new_with_values (gtkcolorcombo.c:539) ==18524== by 0x8097A1A: xptui_color_combo (callbacks.C:390) ==18524== by 0x5FCA578: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC542: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC828: glade_standard_build_children (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC5A7: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FD3454: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC5A7: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC828: glade_standard_build_children (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== Address 0x7E376B8 is 8 bytes before a block of size 768 alloc'd ==18524== at 0x40056BF: calloc (vg_replace_malloc.c:279) ==18524== by 0x55BBDF: g_malloc0 (in /usr/lib/libglib-2.0.so.0.400.7) ==18524== by 0x5DFB19D: gtk_color_combo_construct_with_values (gtkcolorcombo.c:554) ==18524== by 0x5DFB229: gtk_color_combo_new_with_values (gtkcolorcombo.c:539) ==18524== by 0x8097A1A: xptui_color_combo (callbacks.C:390) ==18524== by 0x5FCA578: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC542: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC828: glade_standard_build_children (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC5A7: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FD3454: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== ==18524== Invalid write of size 4 ==18524== at 0x5DFB1D7: gtk_color_combo_construct_with_values (gtkcolorcombo.c:560) ==18524== by 0x5DFB229: gtk_color_combo_new_with_values (gtkcolorcombo.c:539) ==18524== by 0x8097A1A: xptui_color_combo (callbacks.C:390) ==18524== by 0x5FCA578: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC542: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC828: glade_standard_build_children (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC5A7: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FD3454: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC5A7: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC828: glade_standard_build_children (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== Address 0x7E376BC is 4 bytes before a block of size 768 alloc'd ==18524== at 0x40056BF: calloc (vg_replace_malloc.c:279) ==18524== by 0x55BBDF: g_malloc0 (in /usr/lib/libglib-2.0.so.0.400.7) ==18524== by 0x5DFB19D: gtk_color_combo_construct_with_values (gtkcolorcombo.c:554) ==18524== by 0x5DFB229: gtk_color_combo_new_with_values (gtkcolorcombo.c:539) ==18524== by 0x8097A1A: xptui_color_combo (callbacks.C:390) ==18524== by 0x5FCA578: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC542: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC828: glade_standard_build_children (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC5A7: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FD3454: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) Color_Combo ygrid_color ==18524== ==18524== Conditional jump or move depends on uninitialised value(s) ==18524== at 0x5E9B4F4: gdk_pixbuf_render_threshold_alpha (in /usr/lib/libgdk-x11-2.0.so.0.400.13) ==18524== by 0x5E9B933: gdk_pixbuf_render_pixmap_and_mask_for_colormap (in /usr/lib/libgdk-x11-2.0.so.0.400.13) ==18524== by 0x5E9C54D: (within /usr/lib/libgdk-x11-2.0.so.0.400.13) ==18524== by 0x5E9C884: gdk_pixmap_colormap_create_from_xpm_d (in /usr/lib/libgdk-x11-2.0.so.0.400.13) ==18524== by 0x80973FF: xptui_color_block_pixmap_new(char const*) (callbacks.C:252) ==18524== by 0x80978EF: xptui_color_combo (callbacks.C:379) ==18524== by 0x5FCA578: (within /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC542: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC828: glade_standard_build_children (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCBCBE: glade_xml_set_common_params (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FCC5A7: glade_xml_build_widget (in /usr/lib/libglade-2.0.so.0.0.4) ==18524== by 0x5FD3454: (within /usr/lib/libglade-2.0.so.0.0.4) For rest of the Custom Color widgets the Valgrind does not show any messages. Thanks in Advance Avtar Singh On 4/2/07, Damon Chaplin <[EMAIL PROTECTED]> wrote: > On Mon, 2007-04-02 at 11:47 +0530, Avtar Singh wrote: > > Dear Damon, > > > > The problem occurs randomly while calling > > gdk_pixmap_colormap_create_from_xpm_d() in my code when we are calling > > custom widgets to create custom color combo box. > > > > The backtrace from GDB is as follows: > > > > *** glibc detected *** corrupted double-linked list: 0x0a1ef390 *** > > It looks like some sort of memory corruption problem. I'm surprised > valgrind hasn't found it. > > It may be a bug in the GTK+ code - you could try it with a more recent > GTK+. > > The only other thing I can suggest is trying to create the smallest > possible program that reproduces the problem. Or check if it is related > to a particular xpm. > > Damon > > > _______________________________________________ Glade-devel maillist - [email protected] http://lists.ximian.com/mailman/listinfo/glade-devel
