PHP Seg Faults, How to Trackdown?

From: Date: Tue, 30 Mar 2004 19:57:01 +0000
Subject: PHP Seg Faults, How to Trackdown?
Groups: php.general 
Request: Send a blank email to php-general+get-181861@lists.php.net to get a copy of this message
Greetings, I need help tracking down a crash in PHP. I have not been able to work out a test case where it will crash reliably, so I have been hesitant to fill out a bug report. Here's the kit I have running: PHP4 - Latest Stable Snapshot as of 30/Mar/2004 12:18 Apache - 1.3.29 mod_ssl - 2.8.16 mod_perl - 1.29 Red hat 9 - 2.4.20 Kernel The problem is when I try to access my web-mail sites, it will crash after a period of time. I have done a number of gdb sessions, but I need some help interpreting the results. You can find the gdb log from a few of the crashes here: http://madweb.org/errors/Error1.txt http://madweb.org/errors/Error2.txt http://madweb.org/errors/Error3.txt http://madweb.org/errors/Error4.txt http://madweb.org/errors/Error5.txt I thought it might be something to do with IMAP since the web-mail pages (IMP/HORDE and SquirrelMail), so I tried different versions of the UW IMAP client, but crashes still took place with both the 2000 and 2002 versions. When PHP is compiled in debug mode, I got a ton of leak messages in Apache's error log. I tried to setup a different Apache instance on a different port to use that one for debugging purposes. However, I can not get that on to crash. I have it running on ports 4080 and 4443(SSL) and I can not get it to crash even after pounding and pounding the web-mail sites. So I have a decent amount of info to work from, not sure what to do next to get the crashes to stop. I am open to any and all suggestions to try and pin this bugger down. Cheers, Tim -- Tim Schaab http://madweb.org http://madtown.cc tim@madweb.org tim@madtown.cc The most exciting phrase to hear in science, the one that heralds new discoveries, is not "Eureka!" (I found it!) but "That's funny" -- Isaac Asimov

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