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Bug #73211 Using OPCache with Piwik analytics system will cause PHP crash
Submitted: 2016-09-30 16:40 UTC Modified: 2018-06-24 04:25 UTC
From: vibbow at hotmail dot com Assigned: cmb (profile)
Status: No Feedback Package: opcache
PHP Version: 7.0.11 OS: Windows 2012 R2
Private report: No CVE-ID: None
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 [2016-09-30 16:40 UTC] vibbow at hotmail dot com
System configuration:
OS: Windows 2012 R2
PHP: PHP 7.0.11 x64 NTS
Webserver: IIS 8.5 w/ FastCGI

How to reproduce the issue:
Running Piwik analytics system, goto "Administration" -> "Diagnostic" => "System Check", and PHP will crash.

Chance to reproduce this issue:
100% chance to reproduce the crash in my production envirement, but not development envirement.

Work around:
Disable OPCache extension will resolve this issue.

Process core memory dump see here:


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 [2016-09-30 16:51 UTC] vibbow at hotmail dot com
Here is what windows application log says:

Faulting application name: php-cgi.exe, version:, time stamp: 0x57d87fd4
Faulting module name: php7.dll, version:, time stamp: 0x57d885b7
Exception code: 0xc0000005
Fault offset: 0x000000000002eb85
Faulting process id: 0x1118
Faulting application start time: 0x01d21b3211acc147
Faulting application path: C:\PHP\7.0\php-cgi.exe
Faulting module path: C:\PHP\7.0\php7.dll
Report Id: 0496a547-8728-11e6-80ca-22819c31b14d
Faulting package full name: 
Faulting package-relative application ID:
 [2018-03-29 17:14 UTC]
-Status: Open +Status: Feedback -Assigned To: +Assigned To: cmb
 [2018-03-29 17:14 UTC]
Thank you for this bug report. To properly diagnose the problem, we
need a short but complete example script to be able to reproduce
this bug ourselves. 

A proper reproducing script starts with ,
is max. 10-20 lines long and does not require any external 
resources such as databases, etc. If the script requires a 
database to demonstrate the issue, please make sure it creates 
all necessary tables, stored procedures etc.

Please avoid embedding huge scripts into the report.
 [2018-06-24 04:25 UTC] php-bugs at lists dot php dot net
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Re-Opened". Thank you.
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