Bug #66460 [Com]: PHP 5.5.7 and 5.5.8 horrible unstable

From: Date: Sat, 11 Jan 2014 12:17:30 +0000
Subject: Bug #66460 [Com]: PHP 5.5.7 and 5.5.8 horrible unstable
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-183714@lists.php.net to get a copy of this message
Edit report at https://bugs.php.net/bug.php?id=66460&edit=1

 ID:                 66460
 Comment by:         spam008 at evil dot net dot pl
 Reported by:        spam2 at rhsoft dot net
 Summary:            PHP 5.5.7 and 5.5.8 horrible unstable
 Status:             Open
 Type:               Bug
 Package:            opcache
 Operating System:   Linux
 PHP Version:        5.5.8
 Block user comment: N
 Private report:     N

 New Comment:

Setting opcache.revalidate_path = 1 didn`t help. I will try 5.5.8 without loading opcache. Just to
be 100% sure it is opcache issue.


Previous Comments:
------------------------------------------------------------------------
[2014-01-11 12:17:29] spam008 at evil dot net dot pl

Setting opcache.revalidate_path = 1 didn`t help. I will try 5.5.8 without loading opcache. Just to
be 100% sure it is opcache issue.

------------------------------------------------------------------------
[2014-01-10 19:21:34] spam2 at rhsoft dot net

crap - on the machine in front of me it makes no 

differnce how i configure opcache, it crashed right after restart 
and never generated a single page of our self-developed cms, after
restart httpd and open phpMyAdmin i wondered that this did not 
crash and after that for now it appears that my cms-page also runs
stable

this is completly unpredictable and i doubt that the other reporter
which confirmed this behavior and me are the only persons facing this

whatever changes are done to "opcache" they are broken

[zend]
zend_extension                            = "/usr/lib64/php/modules/opcache.so"
opcache.enable                            = 1
opcache.enable_cli                        = 0
opcache.load_comments                     = 0
opcache.save_comments                     = 0
opcache.use_cwd                           = 1
opcache.validate_timestamps               = 1
opcache.revalidate_freq                   = 5
opcache.revalidate_path                   = 1
opcache.max_accelerated_files             = 1000
opcache.memory_consumption                = 128
opcache.interned_strings_buffer           = 8
opcache.max_file_size                     = 262144
opcache.enable_file_override              = 0
opcache.fast_shutdown                     = 1
opcache.error_log                         = "/var/log/php_error.log"
opcache.log_verbosity_level               = 1

------------------------------------------------------------------------
[2014-01-10 19:05:26] spam008 at evil dot net dot pl

I have EXEACLY same observation. It only happens on three vhosts running Typo3 (multiple versions).
It happens on both of my WWW servers. Im going back to 5.5.5 right now. Im using
opcache too.

PHP-FPM self compiled on Slackware64 14.1.

One of my opcache`s config:

zend_extension = "opcache.so"
opcache.memory_consumption = 256
opcache.interned_strings_buffer = 8
opcache.max_accelerated_files = 10000
opcache.revalidate_freq = 0
opcache.validate_timestamps = On
opcache.fast_shutdown = Off
opcache.enable = On
opcache.enable_cli = Off
opcache.max_file_size = 0
opcache.use_cwd = On
opcache.log_verbosity_level = 2
opcache.load_comments = On
opcache.save_comments = On

------------------------------------------------------------------------
[2014-01-10 19:00:54] spam2 at rhsoft dot net

OK, i come tighter to the circumstances

on the machine where it permanently crahed for now re-enable "opcache.revalidate_path"
seems to workarund the problem, but
i am far away to trust because it's too unpredictable on different
machines / websites using the same core-codebase of our applications
___________________________________________________

for now stable or at least more stable

[zend]
zend_extension                            = "/usr/lib64/php/modules/opcache.so"
opcache.enable                            = 1
opcache.enable_cli                        = 0
opcache.load_comments                     = 0
opcache.save_comments                     = 0
opcache.use_cwd                           = 1
opcache.validate_timestamps               = 1
opcache.revalidate_freq                   = 5
opcache.revalidate_path                   = 1
opcache.max_accelerated_files             = 200
opcache.memory_consumption                = 16
opcache.max_file_size                     = 262144
opcache.enable_file_override              = 0
opcache.fast_shutdown                     = 1
opcache.error_log                         = "/www/_logs/php_error.log"
opcache.log_verbosity_level               = 1
___________________________________________________

previous config which was stable over months

[zend]
zend_extension                            = "/usr/lib64/php/modules/opcache.so"
opcache.enable                            = 1
opcache.enable_cli                        = 0
opcache.load_comments                     = 0
opcache.save_comments                     = 0
opcache.use_cwd                           = 1
opcache.validate_timestamps               = 1
opcache.revalidate_freq                   = 5
opcache.revalidate_path                   = 0
opcache.max_accelerated_files             = 200
opcache.memory_consumption                = 16
opcache.max_file_size                     = 262144
opcache.enable_file_override              = 1
opcache.fast_shutdown                     = 1
opcache.error_log                         = "/www/_logs/php_error.log"
opcache.log_verbosity_level               = 1

------------------------------------------------------------------------
[2014-01-10 18:54:17] spam2 at rhsoft dot net

maybe the real configuration helps to reproduce

i would appreciate a unified diff for "rpmbuild" with reverts
the latest opcache changes to the state of 5.5.6 and matching
the 5.5.8 tarball to provide feedback 

in the meantime i try to reproduce it with a small script instead 
a large application, at the moment i am out of ideas

[zend]
zend_extension                            = "/usr/lib64/php/modules/opcache.so"
opcache.enable                            = 1
opcache.enable_cli                        = 0
opcache.load_comments                     = 0
opcache.save_comments                     = 0
opcache.use_cwd                           = 1
opcache.validate_timestamps               = 1
opcache.revalidate_freq                   = 5
opcache.revalidate_path                   = 0
opcache.max_accelerated_files             = 200
opcache.memory_consumption                = 16
opcache.max_file_size                     = 262144
opcache.enable_file_override              = 0
opcache.fast_shutdown                     = 1
opcache.error_log                         = "/www/_logs/php_error.log"
opcache.log_verbosity_level               = 1

------------------------------------------------------------------------


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    https://bugs.php.net/bug.php?id=66460


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