Edit report at https://bugs.php.net/bug.php?id=64720&edit=1
ID: 64720
Comment by: d dot ananyev at gmail dot com
Reported by: d dot ananyev at gmail dot com
Summary: SegFault on zend_deactivate (php-fpm)
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:
I installed OpCache from this link:
http://pecl.php.net/package/ZendOpcache/7.0.1
I'll check if it will be reproduced without opcode cache.
Previous Comments:
------------------------------------------------------------------------
[2013-04-26 17:13:04] sixd@php.net
Where did you install opcache from?
Does the crash happen without opcache?
------------------------------------------------------------------------
[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