[FASTCGI] terminated due to uncaught signal '11'

[double]

Hello,

Every 5 seconds I have this strange message in my errorlog, mod_fastcgi
(mostly signal '11', sometimes signal '15'):

[Thu May 28 07:58:07 2009] [warn] FastCGI: (dynamic) server 
"/home/cgi-bin/index.cgi" restarted (pid 23217)
[Thu May 28 07:58:07 2009] [warn] FastCGI: (dynamic) server 
"/home/cgi-bin/index.cgi" (pid 23217) termination signaled
[Thu May 28 07:58:07 2009] [warn] FastCGI: (dynamic) server 
"/home/cgi-bin/index.cgi" (pid 23217) terminated due to uncaught signal 
'11' (Segmentation fault)

[Thu May 28 07:58:12 2009] [warn] FastCGI: (dynamic) server 
"/home/cgi-bin/index.cgi" restarted (pid 23221)
[Thu May 28 07:58:13 2009] [warn] FastCGI: (dynamic) server 
"/home/cgi-bin/index.cgi" (pid 23221) termination signaled
[Thu May 28 07:58:13 2009] [warn] FastCGI: (dynamic) server 
"/home/cgi-bin/index.cgi" (pid 23221) terminated due to uncaught signal 
'15' (Terminated)

The first lines of my "main()" are:
    signal( SIGTERM, signal_handler );
    signal( SIGSEGV, signal_handler );

Is there a known solution for this issue?

Thank you very much
Markus


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