Compiling in Debugging Flags

[Chris Maness]

Chris Maness wrote:
> Chris Maness wrote:
>> Bill Moran wrote:
>>> In response to Chris Maness <chris at chrismaness.com>:
>>>
>>>  
>>>>> Then, ensure the sysctls in the kernel are all frobbed to allow 
>>>>> coredumps.
>>>>> Specifically:
>>>>> kern.coredump: 1
>>>>> kern.sugid_coredump: 1
>>>>>       
>>>> What is frobbed?
>>>>     
>>>
>>> http://en.wikipedia.org/wiki/Frob
>>>
>>> You need to learn important things like this if you're going to get
>>> anywhere in this business ...
>>>
>>>   
>> sysctl -a | grep core
>> kern.corefile: %N.core
>> kern.nodump_coredump: 0
>> kern.coredump: 1
>> kern.sugid_coredump: 0
>> <6>pid 36665 (conftest), uid 0: exited on signal 11 (core dumped)
>> <6>pid 97013 (httpd), uid 0: exited on signal 11 (core dumped)
>> <6>pid 48143 (conftest), uid 0: exited on signal 12 (core dumped)
>> <6>pid 69261 (httpd), uid 0: exited on signal 11 (core dumped)
>> <6>pid 30477 (httpd), uid 0: exited on signal 11 (core dumped)
>> <6>pid 17468 (httpd), uid 0: exited on signal 11 (core dumped)
>> <6>pid 72511 (httpd), uid 0: exited on signal 11 (core dumped)
>> <6>pid 88618 (httpd), uid 0: exited on signal 11 (core dumped)
>> <6>pid 91921 (httpd), uid 0: exited on signal 11 (core dumped)
>> <6>pid 48962 (httpd), uid 0: exited on signal 11 (core dumped)
>> <6>pid 96510 (httpd), uid 0: exited on signal 11 (core dumped)
>> debug.elf32_legacy_coredump: 0
>>
>> How do I change the the values?  Also, where do the files go by default?
>>
> Never mind, I figured it out.  Stay tuned, and I'll have some output.
>
> Chris
Is it choking on:

/libexec/ld-elf.so.1

or

/libexec/ld-elf.so.1

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This GDB was configured as "i386-marcel-freebsd"...
Core was generated by `httpd'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /lib/libcrypt.so.4...done.
Loaded symbols for /lib/libcrypt.so.4
Reading symbols from /usr/local/lib/libexpat.so.6...done.
Loaded symbols for /usr/local/lib/libexpat.so.6
Reading symbols from /lib/libc.so.7...done.
Loaded symbols for /lib/libc.so.7
Reading symbols from /usr/local/libexec/apache/mod_mmap_static.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_mmap_static.so
Reading symbols from /usr/local/libexec/apache/mod_vhost_alias.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_vhost_alias.so
Reading symbols from /usr/local/libexec/apache/mod_env.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_env.so
Reading symbols from /usr/local/libexec/apache/mod_log_config.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_log_config.so
Reading symbols from /usr/local/libexec/apache/mod_mime_magic.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_mime_magic.so
Reading symbols from /usr/local/libexec/apache/mod_mime.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_mime.so
Reading symbols from /usr/local/libexec/apache/mod_negotiation.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_negotiation.so
Reading symbols from /usr/local/libexec/apache/mod_status.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_status.so
Reading symbols from /usr/local/libexec/apache/mod_info.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_info.so
Reading symbols from /usr/local/libexec/apache/mod_include.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_include.so
Reading symbols from /usr/local/libexec/apache/mod_autoindex.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_autoindex.so
Reading symbols from /usr/local/libexec/apache/mod_dir.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_dir.so
Reading symbols from /usr/local/libexec/apache/mod_cgi.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_cgi.so
Reading symbols from /usr/local/libexec/apache/mod_asis.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_asis.so
Reading symbols from /usr/local/libexec/apache/mod_imap.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_imap.so
Reading symbols from /usr/local/libexec/apache/mod_actions.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_actions.so
Reading symbols from /usr/local/libexec/apache/mod_speling.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_speling.so
Reading symbols from /usr/local/libexec/apache/mod_userdir.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_userdir.so
Reading symbols from /usr/local/libexec/apache/mod_alias.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_alias.so
Reading symbols from /usr/local/libexec/apache/mod_rewrite.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_rewrite.so
Reading symbols from /usr/local/libexec/apache/mod_access.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_access.so
Reading symbols from /usr/local/libexec/apache/mod_auth.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_auth.so
Reading symbols from /usr/local/libexec/apache/mod_auth_anon.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_auth_anon.so
Reading symbols from /usr/local/libexec/apache/mod_auth_db.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_auth_db.so
Reading symbols from /usr/local/libexec/apache/mod_digest.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_digest.so
Reading symbols from /usr/local/libexec/apache/libproxy.so...done.
Loaded symbols for /usr/local/libexec/apache/libproxy.so
Reading symbols from /usr/local/libexec/apache/mod_cern_meta.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_cern_meta.so
Reading symbols from /usr/local/libexec/apache/mod_expires.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_expires.so
Reading symbols from /usr/local/libexec/apache/mod_headers.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_headers.so
Reading symbols from /usr/local/libexec/apache/mod_usertrack.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_usertrack.so
Reading symbols from /usr/local/libexec/apache/mod_log_forensic.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_log_forensic.so
Reading symbols from /usr/local/libexec/apache/mod_unique_id.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_unique_id.so
Reading symbols from /usr/local/libexec/apache/mod_setenvif.so...done.
Loaded symbols for /usr/local/libexec/apache/mod_setenvif.so
Reading symbols from /usr/local/libexec/apache/libphp5.so...done.
Loaded symbols for /usr/local/libexec/apache/libphp5.so
Reading symbols from /lib/libm.so.5...done.
Loaded symbols for /lib/libm.so.5
Reading symbols from /usr/local/lib/libxml2.so.5...done.
Loaded symbols for /usr/local/lib/libxml2.so.5
Reading symbols from /lib/libz.so.4...done.
Loaded symbols for /lib/libz.so.4
Reading symbols from /usr/local/lib/libiconv.so.3...done.
Loaded symbols for /usr/local/lib/libiconv.so.3
Reading symbols from /libexec/ld-elf.so.1...done.
Loaded symbols for /libexec/ld-elf.so.1
#0  0x28b00bd0 in ?? ()