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I've been getting some 500 internal server errors on my website every so often, so I had a look at the error log.

I am using lighttpd with Kloxo (lxadmin) installed. I have xcache enabled.

2011-04-14 04:57:05: (mod_cgi.c.588) cgi died, pid: 14160
2011-04-14 04:57:12: (mod_cgi.c.588) cgi died, pid: 15363
2011-04-14 04:57:19: (mod_cgi.c.588) cgi died, pid: 15492
2011-04-14 04:57:19: (mod_cgi.c.1287) cleaning up CGI: process died with signal 11
2011-04-14 04:57:28: (mod_cgi.c.588) cgi died, pid: 15846
2011-04-14 04:57:28: (mod_cgi.c.588) cgi died, pid: 15845
2011-04-14 04:57:28: (mod_cgi.c.588) cgi died, pid: 15849
2011-04-14 04:57:32: (mod_cgi.c.588) cgi died, pid: 15914
2011-04-14 04:58:07: (mod_cgi.c.588) cgi died, pid: 17758
2011-04-14 04:58:25: (mod_cgi.c.1287) cleaning up CGI: process died with signal 11
2011-04-14 04:59:57: (mod_cgi.c.588) cgi died, pid: 20103
2011-04-14 05:00:05: (mod_cgi.c.588) cgi died, pid: 20363

My error log is full of this. Any clues on what's going on?

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1 Answer 1

The only possible conclusion from that log is that the CGI is dying. And from something pretty serious (signal 11 = segmentation fault). You should look at the CGI logs and see if you can debug and find what is making him die so badly.

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