Re: Please help Apache Segmentation fault

[Takahiro Kambe <taca%back-street.net@localhost>]

In message 
<222CEB14-17E4-43F0-B804-AB6D72BCE431%familysafeinternet.com@localhost>
        on Mon, 7 Jan 2013 10:44:17 -0500,
        Al Zick <al%familysafeinternet.com@localhost> wrote:
>>> First, Apache trying to core dump to none writable directory with
>>> default configuration.  So, I set CoreDumpDirectory but I can't
>>> reproduce the problem yet.  :-(
>> I've got core dump.
>>
>> Sure, the problem exists in PHP 5.4.9.  It might be solved on PHP
>> 5.4.10...
> 
> I am using PHP 5.4.7 and I have this problem too. It looks like it is
> caused when PHP tries to free some memory.
Sadly, PHP 5.4.10 dosen't solve the problem.

# php -v
PHP 5.4.10 (cli) (built: Jan  7 2013 01:57:56) 
Copyright (c) 1997-2012 The PHP Group
Zend Engine v2.4.0, Copyright (c) 1998-2012 Zend Technologies

# gdb /usr/pkg/sbin/httpd /var/tmp/httpd.2337.core
...
Program terminated with signal 11, Segmentation fault.
#0  0x00007f7ff609cf67 in ?? () from /usr/lib/libc.so.12
(gdb) where
#0  0x00007f7ff609cf67 in ?? () from /usr/lib/libc.so.12
#1  0x00007f7ff609f0d9 in free () from /usr/lib/libc.so.12
#2  0x00007f7feb7285d2 in zend_hash_destroy ()
   from /usr/pkg/lib/httpd/mod_php5.so
#3  0x00007f7feb71baf8 in zend_shutdown () from /usr/pkg/lib/httpd/mod_php5.so
#4  0x00007f7feb6c5047 in php_module_shutdown ()
   from /usr/pkg/lib/httpd/mod_php5.so
#5  0x00007f7feb6c5100 in php_module_shutdown_wrapper ()
   from /usr/pkg/lib/httpd/mod_php5.so
#6  0x00007f7feb7b5557 in php_apache_server_shutdown ()
   from /usr/pkg/lib/httpd/mod_php5.so
#7  0x00007f7ff6c17348 in apr_pool_destroy () from /usr/pkg/lib/libapr-1.so.0
#8  0x00007f7ff6c17328 in apr_pool_destroy () from /usr/pkg/lib/libapr-1.so.0
#9  0x0000000000427485 in destroy_and_exit_process.clone.0 ()
#10 0x00000000004286fb in main ()


It looks like something bad and caused double-free or something...

Good night.

-- 
Takahiro Kambe <taca%back-street.net@localhost>