Antony,
I am fairly confident we are not using any third party caching (ie apc,
eAccelerator,etc). However other then running php --version is there any other
way to verify what caching system is being used?
[root@cab4en2b7 ~]# php --version
PHP 5.2.17 (cli) (built: Aug 2 2011 13:33:29)
Copyright (c) 1997-2010 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2010 Zend Technologies
with Xdebug v2.0.3, Copyright (c) 2002-2007, by Derick Rethans
Also trying to find a reproducer I have wrote a test php script which creates
multiple objects and another script which sends signals to the script which is
creating objects to try to get into the faulty cleanup. I have had little
success with this and was wondering if this is not the best way to try to
reproduce this or if there is a better way which may cause the memory to get
corrupted? Also will this type of issue be seen with stand alone php or would
I need this to be running with http?
Thanks,
Alan
-----Original Message-----
From: Antony Dovgal [mailto:t...@daylessday.org]
Sent: Monday, October 03, 2011 4:21 PM
To: Chester, Alan; php-dev
Subject: Re: [PHP-DEV] zend memory managment null pointer dereference
On 10/04/2011 12:06 AM, Chester, Alan wrote:
> Antony,
>
> Thank you for the quick response. I will work towards finding a reproducer
> and using valgrind to gather more information.
>
> Since I have been trying for to find a reproducer but have had no luck so
> far, do you think reducing the cache size
> would help in finding a reproducer? If so how is this done? Or does
> cache/cache size have nothing to do with this area of code?
Reducing the cache size will not help for sure, but disabling the cache
entirely will
help us to understand whether this problem is caused by your cache or not.
Btw, you didn't specify which kind of cache is that.
> Also would you like to me open a bug ticket to track this issue?
It depends on the kind of cache you're using (there are several caches on the
market
that aren't part of PHP project) and whether the cache is guilty or not.
--
Wbr,
Antony Dovgal
---
http://pinba.org - realtime profiling for PHP
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