print throwing intermittent Segfaults

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Hi Everybody,
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I'm having big problems with mod_perl throwing intermittent Segmentation =
faults our production machines on RHEL 4 & 5.
To be able to produce a core dump on this segfaults I've installed =
mod_dumpcore from this tutorial:
http://mituzas.lt/2009/09/26/getting-apache-core-dumps-in-li nux/
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gdb /usr/sbin/httpd core.1 produces following output:
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#0 0x00b29f4b in XS_Apache__RequestRec_content_type () from =
/usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi/aut o/Apache/Requ=
estRec/RequestRec.so
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and very rarely ( 1 in 15 )
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#0 0x003830b9 in apr_palloc () from /usr/lib/libapr-0.so.0
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The content-type is set by
$r->content_type("text/html; charset=3Diso-8859-1") but this is not what =
is causing him to segfault...
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By try and error I've figured out that the segfault happens when I do a
$r->print($mypagecontent);
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I've even tried to do a
unless($r->connection->aborted) {
$r->print($mypagecontent);
}
but this didn't help either.
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The segfault happens randomly, between 30 and 250 mod_perl requests. =
There is no specific request URL or script that causes him to segfault, =
it just happens after some time.
More load on the server means more segfaults.=20
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From my Apache Config:

StartServers 8
MinSpareServers 5
MaxSpareServers 20
ServerLimit 256
MaxClients 200
MaxRequestsPerChild 15


There are some additional Perl Modules that I've build from CPAN:
Compress-Zlib-2.004
Digest-MD5-2.39
Email-MIME-1.861
Email-MIME-ContentType-1.014
Email-MIME-Encodings-1.311
Email-Simple-2.004
Encode-Detect-1.01
ExtUtils-CBuilder-0.23
File-Slurp-9999.12
IO-Compress-Zlib-2.004
MIME-Base64-3.07
MIME-Types-1.24
Module-Build-0.2808
Pod-Escapes-1.04
Pod-Simple-3.07
String-Similarity-1.03
Template-Plugin-XML-Escape-0.02
Test-Pod-1.26
Test-Simple-0.80
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Has anyone a hint where to start looking and what to do next to figure =
out why this segfault is happening?
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Thanks
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Denis
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