Re: emacs 21.3.50 crashes on erc-select

[Richard Stallman]

    #1  0x0810ed31 in fatal_error_signal (sig=1654) at emacs.c:384
    #2  0x406596f8 in sigaction () from /lib/libc.so.6
    #3  0x08087dad in sit_for (sec=30, usec=0, reading=1, display=1, 
initial_display=0)
        at dispnew.c:6247
    #4  0x081146f0 in read_char (commandflag=1, nmaps=4, maps=0xbfffe560, 
prev_event=405713340, 
        used_mouse_menu=0xbfffe598) at keyboard.c:2723

Can you please investigate what occurred in the innermost frames
to cause this signal?