Edit report at https://bugs.php.net/bug.php?id=32099&edit=1
ID: 32099
Updated by: kalle@php.net
Reported by: terryoh at wins21 dot com
Summary: After opening ADO connection and closing it
repeatedly, Apache stops service
-Status: Assigned
+Status: Open
Type: Bug
Package: COM related
Operating System: win32
PHP Version: 5CVS, 4CVS (2005-02-28)
-Assigned To: pajoye
+Assigned To:
Block user comment: N
Private report: N
Previous Comments:
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[2013-01-07 17:51:24] mike at edcsi dot com
Has this patch been included in the latest PHP builds? I am running on Windows 2003 server and have
experienced the same problem.
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[2011-04-23 01:20:41] thangaraj at gmail dot com
I faced a similar crash in my App, fixed the COM issue and was trying to post it as a new bug,
somehow PHP bug system smartly pointed out this defect. Tested my fix on the sample script and PHP
doesn't crash. Therefore uploading patch here.
This crash is reproducible in old and latest SVN builds too.
OS : WindowsServer 2003 R2 EE SP2 x86
PHP Version : 5.3.6 NTS build or below in fast cgi mode.
Web Server : Apache 2.2.16 / mod_fcgid 2.3.5
DBMS : MSSQL 2005 Enterprise Edition
OTHERS : MDAC 2.8
Root Cause:
~~~~~~~~~~~
When PHP fastcgi engine Initializes and Shuts down ADO COM objects fastly within a second, Crash
happens, i.e., Comsvcs.dll PingThread method access violates and crashes php-cgi.exe
Patch provided:
~~~~~~~~~~~~~~~
PHP non Thread safe builds using "fast cgi mode" is made to cache COM CoInit call and
release COM subsystem only during php-cgi.exe process shutdown.
By not calling CoUnint during every request shutdown, Comsvcs.dll is not unloaded and PingThread
method does not access violate. Note that MS recommends to use CoUnint API during process shutdown,
and this patch does it.
[PATCH uploaded]
~~~~~~~~~~~~~~~~
DIFF of 5.3SVN-2011-04-22
Patch_for_PhpCrashInFCGIModeDuringCoUnintialzie.diff
-Thanga
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[2005-03-19 00:08:01] sniper@php.net
We don't know a solution, sorry.
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[2005-03-02 09:43:22] terryoh at wins21 dot com
In my test, PHP 5 has same problem.
I really want to know the solution, please..
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[2005-03-02 08:23:50] sniper@php.net
Please try using this CVS snapshot:
http://snaps.php.net/php5-latest.tar.gz
For Windows:
http://snaps.php.net/win32/php5-win32-latest.zip
This is PHP 5 snapshot which has better COM support.
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