Php-fpm Segfault Error 6
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Php-fpm Sigsegv
Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join php-fpm catch_workers_output them; it only takes a minute: Sign up PHP-FPM segfault error 6 up vote 3 down vote favorite 1 i have a problem with php5-fpm. Very often it gets a segfault and is blocking the whole php processing, so no answer is serve to the client. For me the backtrace is looking like a infinite loop, but i don't php-fpm debug see if it is cause by a script or an internal php module. Is there any chance to see which script/module is involved? The Segfault is always looking like that (dmesg output): php5-fpm[1858]: segfault at 7fffa4de4fa0 ip 0000000000691515 sp 00007fffa4de4f90 error 6 in php5-fpm[400000+800000] PHP Version: php -v PHP 5.5.9-1ubuntu4.11 (cli) (built: Jul 2 2015 15:23:08) Copyright (c) 1997-2014 The PHP Group Zend Engine v2.5.0, Copyright (c) 1998-2014 Zend Technologies with Zend OPcache v7.0.3, Copyright (c) 1999-2014, by Zend Technologies Backtrace of Coredump: (gdb) bt #0 0x0000000000691515 in ?? () #1 0x0000000000692a64 in vspprintf () #2 0x0000000000707359 in zend_spprintf () #3 0x00000000006e4a46 in _convert_to_string () #4 0x0000000000725859 in ?? () #5 0x0000000000717668 in execute_ex () #6 0x00000000006dd7c9 in dtrace_execute_ex () #7 0x000000000079df80 in ?? () #8 0x0000000000717668 in execute_ex () #9 0x00000000006dd7c9 in dtrace_execute_ex () #10 0x000000000079df80 in ?? () #11 0x0000000000717668 in execute_ex () #12 0x00000000006dd7c9 in dtrace_execute_ex () #13 0x000000000079df80 in ?? () #14 0x0000000000717668 in execute_ex () #15 0x00000000006dd7c9 in dtrace_execute_ex () #16 0x000000000079df80 in ?? () #17 0x0000000000717668 in execute_ex () #18
Sign in Pricing Blog Support Search GitHub This repository Watch 28 Star 111 Fork 25 gplessis/dotdeb-php Code Issues 19 Pull requests 1 Projects 0 Pulse Graphs New issue Error 6 in php5-fpm segfault. #14 Closed kebian opened this Issue Oct 10, 2012 · 4 comments Projects None yet Labels bug Milestone No milestone Assignees gplessis 2 participants http://stackoverflow.com/questions/32167132/php-fpm-segfault-error-6 kebian commented Oct 10, 2012 Hi, php5-fpm is behaving for most scripts on my customer's web site, which is running Magento. One script in particular keeps causing php5-fm to segfault. I don't believe it's anything to do APC. /var/log/messages: Oct 10 15:27:53 ip-10-58-234-220 kernel: [5007552.012831] php5-fpm[31153]: segfault at 7fffccbacff8 https://github.com/gplessis/dotdeb-php/issues/14 ip 0000000000480ef2 sp 00007fffccbad000 error 6 in php5-fpm[400000+763000] Backtrace: #0 0x0000000000480ef2 in match ( eptr=0x3711d66 "st: none; font-stretch: normal; text-transform: none; color: rgb(0, 0, 0); text-indent: 0px; white-space: normal; letter-spacing: normal; border-collapse: separate; orphans: 2; widows: 2;\\"> at /usr/src/php5.4/source/php5-5.4.7/ext/pcre/pcrelib/pcre_exec.c:471 #1 0x0000000000481e76 in match ( eptr=0x3711d66 "st: none; font-stretch: normal; text-transform: none; color: rgb(0, 0, 0); text-indent: 0px; white-space: normal; letter-spacing: normal; border-collapse: separate; orphans: 2; widows: 2;\\\">, markptr=0x0, offset_top=0, md=0x7fffcd3a6ef0, ims=4784685, eptrb=0x0, flags=0, rdepth=0) at /usr/src/php5.4/source/php5-5.4.7/ext/pcre/pcrelib/pcre_exec.c:822 #2 0x000000000049022d in match ( eptr=0x3711d66 "st: none; font-stretch: normal; text-transform: none; color: rgb(0, 0, 0); text-indent: 0px; white-space: normal; letter-spacing: normal; border-collapse: separate; orphans: 2; widows: 2;\\">, markptr=0x0, offset_top=0, md=0x7fffcd3a6ef0, ims=4726390, eptrb=0x0, flags=0, rdepth=0) at /usr/src/php5.4/source/php5-5.4.7/ext/pcre/pcrelib/pcre_exec.c:1654 #3 0x0000000000481e76 in match ( eptr=0x3711d65 "ust: none; font-stretch: normal; text-transform: none; color: rgb(0, 0, 0); text-indent: 0px; white-space: normal; letter-spacing: normal; border-collapse: separate; orphans: 2; widows: 2;\\">, markptr=0x0, offset_top=0
unresponsive, segfaults April 16, 2010 06:08AM I'm running PHP 5.2.12 with PHP-FPM patch, nginx https://forum.nginx.org/read.php?3,75656 accesses it via socket. Couple of times a day php-fpm become unresponsive, resulting in 502 and 504. There is no load spike (CPU usage prior https://bugs.php.net/bug.php?id=71707 to the incident is ~50%, and once it starts drops close to 0), there is plenty of ram available, io isn't the reason either (actually segfault error watched it happen in iotop - small .5mb/s io load dropped close to 0). Oh, and it's Debian Lenny. How is it unresponsive? First there is a noticeable slowdown (my guess: less php-fpm processes available - longer queue), then full halt with 502/504. Sometimes (rarely) starts working in 30-50 minutes, but php-fpm segfault error usually I have to restart php-fpm. There is nothing suspicious in php-fpm log, even if I set logging level to debug, so no, it's not rlimit etc. In nginx error: connect() to unix:/var/run/php-fpm/php.sock failed (11: Resource temporarily unavailable) while connecting to upstream in dmesq: [81503.175657] php-cgi[28972]: segfault at bf7ff4a0 ip 0831c300 sp bf7ff4a0 error 6 in php-cgi[8048000+5ef000] [81508.170733] php-cgi[28965]: segfault at bf7ff4a0 ip 0831c300 sp bf7ff4a0 error 6 in php-cgi[8048000+5ef000] [180609.535546] php-cgi[26208]: segfault at bf7fee30 ip 0831c300 sp bf7fee30 error 6 in php-cgi[8048000+5ef000] [180662.879631] php-cgi[26206]: segfault at bf7fee30 ip 0831c300 sp bf7fee30 error 6 in php-cgi[8048000+5ef000] but I have only checked dmesg after I have restarted php-fpm, so I am not sure if segfault message was there prior to me restarting or it appeared at restart. I'd really appreciate any help. -- Subscription settings: http://groups.google.com/group/highload-php-en/subscribe?hl=en Reply Quote Daniel Carrillo Re: php-fpm randomly becomes unresponsive, segfaults April 16, 2010 06:20AM 2010/4/16 c
Score:4.3 ± 0.9 Reproduced:2 of 2 (100.0%) Same Version:0 (0.0%) Same OS:1 (50.0%) From: ar dot dev at ange7 dot com Assigned: cmb Status: No Feedback Package: Performance problem PHP Version: 5.5.32 OS: Ubuntu 14.04.3 LTS Private report: No CVE-ID: View Add Comment Developer Edit Have you experienced this issue? yes no don't know Rate the importance of this bug to you: high low Are you using the same PHP version? yes no Are you using the same operating system? yes no [2016-03-03 11:07 UTC] ar dot dev at ange7 dot com Description: ------------ Hi, I have this error in my syslog : Mar 3 12:00:59 sd- kernel: [4930861.852051] php5-fpm[56988]: segfault at 216b820 ip 00000000006c67c1 sp 00007ffd752cffa0 error 4 in php5-fpm[400000+800000] Mar 3 12:00:59 sd- kernel: [4930862.042517] php5-fpm[56989]: segfault at 216b820 ip 00000000006c67c1 sp 00007ffd752cffa0 error 4 in php5-fpm[400000+800000] Mar 3 12:00:59 sd- kernel: [4930862.124654] php5-fpm[56991]: segfault at 216b820 ip 00000000006c67c1 sp 00007ffd752cffa0 error 4 in php5-fpm[400000+800000] Mar 3 12:00:59 sd- kernel: [4930862.236962] php5-fpm[56992]: segfault at 216b820 ip 00000000006c67c1 sp 00007ffd752cffa0 error 4 in php5-fpm[400000+800000] Mar 3 12:00:59 sd- kernel: [4930862.307840] php5-fpm[56994]: segfault at 216b820 ip 00000000006c67c1 sp 00007ffd752cffa0 error 4 in php5-fpm[400000+800000] Mar 3 12:00:59 sd- kernel: [4930862.462561] php5-fpm[56996]: segfault at 216b820 ip 00000000006c67c1 sp 00007ffd752cffa0 error 4 in php5-fpm[400000+800000] Mar 3 12:01:00 sd- kernel: [4930863.298600] php5-fpm[57000]: segfault at 216b820 ip 00000000006c67c1 sp 00007ffd752cffa0 error 4 in php5-fpm[400000+800000] Mar 3 12:01:01 sd- kernel: [4930864.114549] php5-fpm[57002]: segfault at 216b820 ip 00000000006c67c1 sp 00007ffd752cffa0 error 4 in php5-fpm[400000+800000] Mar 3 12:01:02 sd- kernel: [4930864.669212] php5-fpm[57003]: segfault at 216b820 ip 00000000006c67c1