Because you are running under gdb. If you run normally and arrange for the system to allow the core files (as explained in the doc) you will get one.'
Now how do you know that the process 3196 is the one that serves the request? I assume that you run under httpd -X? But it doesn't seem to be the case, since gdb didn't report the segfault event. (or did it?)
Did you compare the compile time flags as I've suggested?
Yes.
So what are the differences? I suppose you want to compare
1) the options passed to ./configure
2) linker and compilation options (since mod_perl inserts the options suggested by Perl (see perl -V) when compiling the rest of the Apache modules and the Apache core.
[EMAIL PROTECTED] mod_perl-1.29]# gdb ../apache_1.3.33/src/httpd[...]
Program received signal SIGSEGV, Segmentation fault.
0x40338d87 in php_xbithack_handler (r=0x811e5f4)
at /usr/local/src/php-4.3.9/sapi/apache/mod_php4.c:828
828 per_dir_conf = (HashTable *) get_module_config(r->per_dir_config, &php4_module);
(gdb) bt
#0 0x40338d87 in php_xbithack_handler (r=0x811e5f4)
at /usr/local/src/php-4.3.9/sapi/apache/mod_php4.c:828
That's much better :)
Seems to suggest a problem/conflict with the PHP DSO module. Nevertheless, as I have said, rebuilding apache without mod_perl (but keeping PHP) clears up the problem. mod_perl and PHP are the only externals involved in the config of apache--no other non-default modules.
Please see my proposal above.
My guess is that the problem comes from compilation and/or linking flags which are different.
Also, take a look at: http://perl.apache.org/docs/1.0/guide/install.html#mod_perl_and_mod_php to see if it makes any difference.
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