Bug #75579 [Opn]: All Interned Strings Free memory used and PHP crashes

From: Date: Fri, 15 Dec 2017 20:46:51 +0000
Subject: Bug #75579 [Opn]: All Interned Strings Free memory used and PHP crashes
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-213124@lists.php.net to get a copy of this message 
Edit report at https://bugs.php.net/bug.php?id=75579&edit=1

 ID:                 75579
 User updated by:    post at minhost dot no
 Reported by:        post at minhost dot no
 Summary:            All Interned Strings Free memory used and PHP
                     crashes
 Status:             Open
 Type:               Bug
 Package:            opcache
 Operating System:   CentOS 7.4
 PHP Version:        7.1.12
 Block user comment: N
 Private report:     N

 New Comment:

Finnaly I made some progress: When I deactivate/remove opcache.file_cache= in my settings and only
use opcache in memory, then PHP no longer crashes! So the bug is only visible if you use physical
file cache in opcache in addition to opcache in memory. I was using file cache as a second level
fallback cache (useful when opcache get empty during restarts etc).

Now that I have pinpointed the bug to be when you have enabled both normal opcache and physical file
cache, can someone investigate this bug? Please? I have already posted the complete opcache settings
above in this bug report.


Previous Comments:
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[2017-12-15 19:50:16] post at minhost dot no

I just now today installed the latest 7.1 development branch from here https://github.com/php/php-src/branches and
tested it. I am sorry to see the problem is still not solved with any of the patches that have been
made so far. PHP still crashes for me after visiting a few WordPress sites. This time it seemed to
happen right after opcache got a automatic OOM restart.

------------------------------------------------------------------------
[2017-12-05 10:44:01] post at minhost dot no

Related To: Bug #75621

------------------------------------------------------------------------
[2017-12-05 10:12:33] pascal dot nobus at webservice dot be

Related To: Bug #75621

------------------------------------------------------------------------
[2017-12-05 09:05:58] post at minhost dot no

Related To: Bug #75621

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[2017-11-30 15:09:47] post at minhost dot no

Looking closer at apache error log for the domains when PHP sites start to go down I also get errors
like this:

[Thu Nov 30 15:38:32.577627 2017] [proxy_fcgi:error] [pid 17992:tid 140239062427392] [client
176.74.214.18:52690] AH01067: Failed to read FastCGI header

[Thu Nov 30 15:38:32.577665 2017] [proxy_fcgi:error] [pid 17992:tid 140239062427392] (104)Connection
reset by peer: [client 176.74.214.18:52690] AH01075: Error dispatching request to :

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the rest of the comments, please view the bug report online at

    https://bugs.php.net/bug.php?id=75579


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