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

From: Date: Sat, 11 Jan 2014 21:43:57 +0000
Subject: Bug #66460 [Com]: PHP 5.5.7 and 5.5.8 horrible unstable
References: 1  Groups: php.bugs 
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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:

No segfaults after turning opcache off - confirmed.

Ive downgraded to 5.5.5 (not to 5.5.6) becouse Im hitting this "bug" https://bugs.php.net/bug.php?id=66107 (fixed in
5.5.8) with Typo3. So 5.5.6 and 5.5.7 are usless for me at the moment.

Going to try your solution with "ext/opcache".


Previous Comments:
------------------------------------------------------------------------
[2014-01-11 16:08:31] spam2 at rhsoft dot net

take tar "ext/opcache" from 5.5.6 tarball, unpack the 5.5.8 tarball, replace the folder
with the older opcache, make a tarball and feed rpmbuild, after that you are done, have a stable
webserver without known security issues or degraded performance

[root@asterisk:~]$ rpm -q --changelog php
* Sa Jan 11 2014
- replace "ext/opcache" in 5.5.8 tarball with sources from 5.5.6
  because PHP 5.5.7/5.5.8 are completly unstable with opcache

* Fr Jan 10 2014 
- update to 5.5.8

------------------------------------------------------------------------
[2014-01-11 13:33:04] spam2 at rhsoft dot net

confirmed

changes in "opcache.enable_file_override" and "opcache.revalidate_path" change
things only unpredictable and far away from get the server stable

opcache.enable=0 for sure disables the bytecode-cache and the segfaults of httpd-workers are going
away - so opcache *is broken* and the changelog of 5.5.7 and 5.5.8 are shoing *both* changes in
opcache, 5.5.8 is even more broken then 5.5.7 because with 5.5.7 on my workstation it was mostly
useable, with 5.5.8 and opcache no way 


why you would downgrade to 5.5.5 is unclear for me
5.5.6 is clean and stable with opcache
5.5.7 is the first broken release

------------------------------------------------------------------------
[2014-01-11 12:17:30] 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.

------------------------------------------------------------------------
[2014-01-11 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

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


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


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