Bug #65584 [Opn->Fbk]: recv() failed (104: Connection reset by peer) while reading response ...

From: Date: Thu, 29 Aug 2013 23:21:22 +0000
Subject: Bug #65584 [Opn->Fbk]: recv() failed (104: Connection reset by peer) while reading response ...
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=65584&edit=1

 ID:                 65584
 Updated by:         rasmus@php.net
 Reported by:        michael dot heuberger at binarykitchen dot com
 Summary:            recv() failed (104: Connection reset by peer) while
                     reading response ...
-Status:             Open
+Status:             Feedback
 Type:               Bug
 Package:            FPM related
 Operating System:   Ubuntu 13.04
 PHP Version:        5.5.3
 Block user comment: N
 Private report:     N

 New Comment:

apt-get install gdb


Previous Comments:
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[2013-08-29 23:19:19] michael dot heuberger at binarykitchen dot com

PS: The gdb command does not exist on my machine.

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[2013-08-29 23:15:34] michael dot heuberger at binarykitchen dot com

Ah, I managed it. I have the core dumps now.

You forgot to mention that I have to adjust /etc/php5/fpm/pool.d/www.conf with a higher value than
zero, i.E. rlimit_core = 10

I have 10 core dumps, all 119 MB large. How can I attach them here or hand them over to you?

------------------------------------------------------------------------
[2013-08-29 23:06:24] michael dot heuberger at binarykitchen dot com

Thank you but I am unable to create a backtrace on my server.

I have set /proc/sys/kernel/core_pattern with
echo "/var/cores/core-%e.%p" > /proc/sys/kernel/core_pattern 

Then I made /var/cores/ writeable for user www-data and chmodded it with 777. Then sudo service
php5-fpm restart and reloaded the page. It crashed but no core was dumped. Why? ulimit is unlimited.

By the way, I am on nginx. Your instructions are for Apache.

------------------------------------------------------------------------
[2013-08-29 15:18:26] laruence@php.net

should be: http://snaps.php.net/php5.5-latest.tar.gz

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[2013-08-29 15:17:45] laruence@php.net

seems your php-fpm is crashing, you need try to get a backtrace.. 

http://bugs.php.net/bugs-generating-backtrace.php
for *NIX and
http://bugs.php.net/bugs-generating-backtrace-win32.php
for Win32


and you could also try to test with the latest snapshot of php-5.5 branch: 
http://snaps.php.net/php5.4-latest.tar.gz

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