Problem with php4

This is the backtrace that my server sendme, can you say me where is the problem ? i nedd to resolve this problem? #0 0x40189db4 in __libc_read () from /lib/libc.so.6 #1 0x80a6104 in ssl_io_unregister () #2 0x817214c in ap_hook_call () #3 0x8171861 in ap_hook_call () #4 0x814eac0 in ap_bspawn_child () #5 0x81506be in ap_vbprintf () #6 0x8150668 in ap_vbprintf () #7 0x814f16f in ap_bhalfduplex () #8 0x814f4c7 in ap_bgets () #9 0x815e8a8 in ap_method_number_of () #10 0x815ebb1 in ap_parse_uri () #11 0x815f20e in ap_read_request () #12 0x815c252 in ap_child_terminate () #13 0x815c43c in ap_child_terminate () #14 0x815c599 in ap_child_terminate () #15 0x815cbc6 in ap_child_terminate () #16 0x815d363 in main () #17 0x400fd1eb in __libc_start_main (main=0x815d00c <main>, argc=4,

    argv=0xbffffc94, init=0x8085a58 <_init>, fini=0x82323ec <_fini>,
    rtld_fini=0x4000a610 <_dl_fini>, stack_end=0xbffffc8c)
    at ../sysdeps/generic/libc-start.c:90

Saludos Fraternos, **********************************************************************

Ramón Alvarez Rayo             Telefono: (505)2783131 x 2311
Administrador de Sistemas    Telefax : (505) 2784012
Telematix                              e-mail: ralvarez@tmx.com.ni

***********************************************************************