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Date:      Fri, 02 May 2008 18:08:06 -0700
From:      Chris Maness <chris@chrismaness.com>
To:        Bill Moran <wmoran@potentialtech.com>
Cc:        FreeBSD List <freebsd-questions@freebsd.org>
Subject:   Re: Compiling in Debugging Flags
Message-ID:  <481BBAF6.8000400@chrismaness.com>
In-Reply-To: <481BA996.50005@chrismaness.com>
References:  <alpine.BSF.1.10.0805020730530.6118@ns1.kq6up.org>	<20080502105853.36874cdf.wmoran@potentialtech.com>	<alpine.BSF.1.10.0805020850440.6428@ns1.kq6up.org> <20080502130017.ac721261.wmoran@potentialtech.com> <481B9B90.6050906@chrismaness.com> <481BA6EC.2020209@chrismaness.com> <481BA996.50005@chrismaness.com>

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Chris Maness wrote:
> Chris Maness wrote:
>> Chris Maness wrote:
>>> Bill Moran wrote:
>>>> In response to Chris Maness <chris@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
>
> GNU gdb 6.1.1 [FreeBSD]
> Copyright 2004 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and 
> you are
> welcome to change it and/or distribute copies of it under certain 
> conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for 
> details.
> 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 ?? ()
>
>
>
Sorry about all of the e-mails.  I remembered that I was having issues 
with apache and the php5 module.  I have deinstalled php5 and apache 
runs fine.  However, even with the latest ports tree with apache13 and 
php5 module rebuilt, apache crashes.  I had this same exact behavior on 
a test box, but I don't see other complaints in the archives.  Am I the 
only one running apache13 with the php5 module installed?  Also, this 
works fine on my 6.3-RELEASE production server (however, it is not 
upgraded to the latest version).

Thanks,
Chris Maness



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