Re: GDB does not stop in breakpoint!

[Richard Stallman]

    Program received signal SIGSEGV, Segmentation fault.
    0x0811e207 in check_x_display_info (object=138906162) at xfns.c:269
    269             dpyinfo = FRAME_X_DISPLAY_INFO (sf);

    (sf)->output_data was not initialized correctly.


    Can you suggest me some better methods of debugging it?

First make sure you have code to initialize that slot
in frames that you construct.

If you do, and it strangely gets clobbered, you could try a
watchpoint.