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Bug #66902 WinCache Freeze php-cgi
Submitted: 2014-03-13 20:54 UTC Modified: 2014-10-09 22:40 UTC
Votes:2
Avg. Score:4.5 ± 0.5
Reproduced:2 of 2 (100.0%)
Same Version:0 (0.0%)
Same OS:0 (0.0%)
From: lucio dot petrillo at hotmail dot it Assigned: ericsten (profile)
Status: Closed Package: WinCache (PECL)
PHP Version: 5.5.10 OS: Windows Server 2008
Private report: No CVE-ID: None
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 [2014-03-13 20:54 UTC] lucio dot petrillo at hotmail dot it 
Description:
------------
WinCache version
1.3.5.0

PHP version
5.5.8 NTS

SugarCrm 6

FASTCGI Enabled

After some time iis stop serving php files.
There are about 40 php-cgi processes with no cpu activity.
Other files are still served by IIS.

Test script:
---------------
NA

Expected result:
----------------
IIS serving php files

Actual result:
--------------
All process dumped have this stack trace

 	php_wincache.dll!lock_readlock(lock_context * plock=0x019a0958)  Line 422	C
 	php_wincache.dll!fcnotify_check(fcnotify_context * pnotify=0x01b94078, const char * filepath=0x00000000, unsigned int * poffset=0x01b94148, unsigned int * pcount=0x01b9414c)  Line 1055	C
 	php_wincache.dll!aplist_fcache_get(aplist_context * pcache=0x019a4850, const char * filename=0x01602060, unsigned char usesopen=0, char * * ppfullpath=0x008afb68, fcache_value * * ppvalue=0x008afb6c)  Line 1754 + 0xc bytes	C
 	php_wincache.dll!wincache_resolve_path(const char * filename=0x01602060, int filename_len=29)  Line 1199 + 0x18 bytes	C
 	php5.dll!php_fopen_primary_script(_zend_file_handle * file_handle=0x008afbc8)  Line 431 + 0x16 bytes	C
 	php-cgi.exe!main(int argc=1, char * * argv=0x008ff4b8)  Line 2344 + 0xd bytes	C
>	php-cgi.exe!__tmainCRTStartup()  Line 536 + 0x17 bytes	C

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 [2014-05-05 23:29 UTC] ericsten@php.net
-Assigned To: +Assigned To: ericsten
 [2014-10-09 22:40 UTC] ericsten@php.net
-Status: Assigned +Status: Closed
 [2014-10-09 22:40 UTC] ericsten@php.net 
To make things safer, I've added a configuration option in WinCache 1.3.6.2 to disable the Shared Reader/Writer (SRW) locks used in WinCache.  By default, the SRW locks are enabled.  To disable the locks, add the following to the system php.ini:

wincache.srwlocks=0

The updated WinCache 1.3.6.2 is available out on SourceForge, in the Developer directory.  

http://sourceforge.net/projects/wincache/files/development/wincache-1.3.6.2-dev-5.3-nts-vc9-x86.exe/download
http://sourceforge.net/projects/wincache/files/development/wincache-1.3.6.2-dev-5.4-nts-vc9-x86.exe/download
http://sourceforge.net/projects/wincache/files/development/wincache-1.3.6.2-dev-5.5-nts-vc11-x86.exe/download
http://sourceforge.net/projects/wincache/files/development/wincache-1.3.6.2-dev-5.6-nts-vc11-x86.exe/download

This change will be rolled into the next official release of WinCache.

Thx!
    --E.
 
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