Edit report at https://bugs.php.net/bug.php?id=64720&edit=1

 ID:                 64720
 Updated by:         s...@php.net
 Reported by:        d dot ananyev at gmail dot com
 Summary:            SegFault on zend_deactivate (php-fpm)
-Status:             Open
+Status:             Feedback
 Type:               Bug
 Package:            opcache
 Operating System:   CentOS release 6.4 (Final)
 PHP Version:        5.4.14
 Block user comment: N
 Private report:     N

 New Comment:

Where did you install opcache from?
Does the crash happen without opcache?


Previous Comments:
------------------------------------------------------------------------
[2013-04-26 13:10:43] d dot ananyev at gmail dot com

i'sorry we're using php-5.4.10 because not all modules can run on 5.4.14

------------------------------------------------------------------------
[2013-04-26 10:47:42] d dot ananyev at gmail dot com

My opcache stats (screenshots)
https://drive.google.com/folderview?id=0B4F2-uZsSusnLWF0a2ZrQ2REUmc&usp=sharing

------------------------------------------------------------------------
[2013-04-26 10:44:25] d dot ananyev at gmail dot com

Description:
------------
Every approximately 30 minutes i got segfaults in php-fpm 
Debuginfo gives me the following trace

Core was generated by `php-fpm: pool www                                        
                     
'.
Program terminated with signal 11, Segmentation fault.
#0  _zend_mm_free_int (heap=0x1c39330, p=0x23671b8) at /usr/build/php-
5.4.10/php-5.4.10/Zend/zend_alloc.c:2100
2100            if (ZEND_MM_IS_FREE_BLOCK(next_block)) {
Missing separate debuginfos, use: debuginfo-install cairo-1.8.8-3.1.el6.x86_64 
fftw-3.2.1-3.1.el6.x86_64 lcms-libs-1.19-1.el6.x86_64 libc-client-2007e-
11.el6.x86_64 libidn-1.18-2.el6.x86_64 libmcrypt-2.5.8-9.el6.x86_64 librabbitmq-
0.2-0.1.git2059570.el6.remi.x86_64 libtool-ltdl-2.2.6-15.5.el6.x86_64 sqlite-
3.6.20-1.el6.x86_64 xz-libs-4.999.9-0.3.beta.20091007git.el6.x86_64
(gdb) bt
#0  _zend_mm_free_int (heap=0x1c39330, p=0x23671b8) at /usr/build/php-
5.4.10/php-5.4.10/Zend/zend_alloc.c:2100
#1  0x00000000007116d7 in _zval_dtor (zval_ptr=0x29076d8) at /usr/build/php-
5.4.10/php-5.4.10/Zend/zend_variables.h:35
#2  _zval_ptr_dtor (zval_ptr=0x29076d8) at /usr/build/php-5.4.10/php-
5.4.10/Zend/zend_execute_API.c:438
#3  0x00000000007163af in cleanup_user_class_data (pce=<value optimized out>) 
at 
/usr/build/php-5.4.10/php-5.4.10/Zend/zend_opcode.c:165
#4  zend_cleanup_user_class_data (pce=<value optimized out>) at /usr/build/php-
5.4.10/php-5.4.10/Zend/zend_opcode.c:198
#5  0x000000000072b944 in zend_hash_reverse_apply (ht=0x1c39c90, 
apply_func=0x716340 <zend_cleanup_user_class_data>) at /usr/build/php-
5.4.10/php-5.4.10/Zend/zend_hash.c:799
#6  0x0000000000714156 in shutdown_executor () at /usr/build/php-5.4.10/php-
5.4.10/Zend/zend_execute_API.c:289
#7  0x000000000071f412 in zend_deactivate () at /usr/build/php-5.4.10/php-
5.4.10/Zend/zend.c:938
#8  0x00000000006c2a3c in php_request_shutdown (dummy=<value optimized out>) at 
/usr/build/php-5.4.10/php-5.4.10/main/main.c:1790
#9  0x00000000007d0d49 in main (argc=<value optimized out>, argv=<value 
optimized out>) at /usr/build/php-5.4.10/php-5.4.10/sapi/fpm/fpm/fpm_main.c:1948

server runs ~ 100 req/sec
it has 8Gb of ram
and 120 fpm workers
la = 0.5


Expected result:
----------------
dont segfault

Actual result:
--------------
[26-Apr-2013 14:30:19] WARNING: [pool www] child 15002 exited on signal 11 
(SIGSEGV - core dumped) after 1613.465551 seconds from start
[26-Apr-2013 14:30:19] NOTICE: [pool www] child 1423 started



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



-- 
Edit this bug report at https://bugs.php.net/bug.php?id=64720&edit=1

Reply via email to