Php Segfault Error 4
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of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up PHP-FPM. Segmentation fault. Don´t understand core dump up vote 2 down vote favorite 3 In our web service testing environment, there is one request that causes an 500 internal server error. It occured accidentally for kernel segfault at rip rsp error 4 some time. Now the 500 is the result of every request (to one certain REST route). What we use: Ubuntu Server 12.04, Apache2.2, PHP-FPM (PHP 5.5.16), PHP libs: Zend Framework 2, MongoDB, Doctrine 2 ODM, Redis. Apache was installed via apt. PHP was compiled with config: ./configure --prefix=/usr --sysconfdir=/etc --localstatedir=/var --datadir=/usr/share/php --mandir=/usr --enable-cli --enable-fastcgi --enable-fpm --with-fpm-user=www-data --with-fpm-group=www-data --with-config-file-path=/etc --without-t1lib --disable-short-tags --enable-pcntl --with-tsrm-pthreads --with-zlib --enable-sysvmsg --enable-sysvsem --enable-sysvshm --enable-bcmath --with-bz2 --enable-calendar --enable-exif --enable-ftp --with-iconv-dir --with-gettext --with-imap --with-imap-ssl --with-openssl --enable-mbstring --with-mcrypt --with-mhash --with-pspell --enable-soap --enable-sockets --enable-wddx --with-xmlrpc --with-xsl --enable-zip --with-kerberos --with-tidy --with-curl --enable-ctype --enable-dbase --enable-magic-quotes --enable-reflection --enable-exif --with-gd --with-jpeg-dir=/usr --with-png-dir=/usr --with-vpx-dir=/usr --with-freetype-dir=/usr --with-t1lib --enable-exif --enable-gd-native-ttf --enable-gd-jis-conv --with-pear --enable-debug The only error message we found in apache´s error.log: [Tue Oct 28 13:02:03 2014] [error] [client 172.22.9.6] (104)Connection reset by peer: FastCGI: comm with server "/var/lib/apache2/fastcgi/php5.fastcgi" aborted: read failed [Tue Oct 28 13:02:03 2014] [error] [client 172.22.9.6] FastCGI: incomplete headers (0 bytes) received from server "/var/lib/apache2/fastcgi/php5.fastcgi" No hints in php-fpm.log kernel.log: Oct 30
that make connections all over the world. Join today Download & Extend Drupal Core Distributions Modules Themes BarracudaIssues segfault error 15 PHP Segfault error every time I clear cache from website admin dmesg segfault error 4 Closed (works as designed)Project:BarracudaVersion:6.x-2.0-rc10Component:PHP-FPM ServerPriority:NormalCategory:Support requestAssigned:UnassignedReporter:Anonymous (not verified)Created:November 7, 2013 - 09:23Updated:November 15, 2014 - 07:44 segfault error 7 Log in or register to update this issue Jump to:Most recent comment Most recent attachment I don't know if this is a bug report because it http://stackoverflow.com/questions/26656280/php-fpm-segmentation-fault-don%C2%B4t-understand-core-dump only happens on 1 site, but it happens 100% of the time on that site - the site with the most content on the octopus platform. Clicking on clear caches in the website admin always produces the segfault error: This report is generated automatically when new segfault is discovered. ### PHP: CRASH at https://www.drupal.org/node/2129785 04:06:05 [1] discovered on 131107-040701 for domain.com ### SYS: Nov 7 04:06:05 server1 kernel: php-fpm[54583]: segfault at 5a6b5238 ip 00000000007dc88e sp 00007fff492b0e10 error 4 in php-fpm[400000+a1c000] ### NGX: "IP" domain.com [07/Nov/2013:04:06:05 -0500] "POST /admin/config/development/performance HTTP/1.1" 502 568 967 713 "http://domain.com/admin/config/development/performance" "Mozilla/5.0 (compatible\; MSIE 10.0\; Windows NT 6.1\; WOW64\; Trident/6.0)" 90.119 "-" ### PTH: /data/disk/fast1/static/platforms/7c/sites/domain.com ### VHT: /data/disk/fast1/config/server_master/nginx/vhost.d/domain.com The 4 files I uploaded are the wrong ones. I am replacing them with the right ones presently. Done.Files: CommentFileSizeAuthor #3 octopus_log.txt555 bytesAnonymous (not verified) #3 barracuda_log.txt1.44 KBAnonymous (not verified) #3 fast1.octopus.cnf_.txt996 bytesAnonymous (not verified) #3 barracuda.cnf_.txt1.74 KBAnonymous (not verified) 4 more files CommentFileSizeAuthor fast1.octopus.txt987 bytesAnonymous (not verified) barracuda.txt1.74 KBAnonymous (not verified) octopus_log.txt442 bytesAnonymous (not verified) barracuda_log.txt840 bytesAnonymous (not verified) Comments Comment #1 Anonymous (not verified) CreditAttribution: Anonymous commented November 7, 2013 at 9:23am Issue summary: View changes Log in or register to post comments Comment #2 Anonymous (not verified) CreditAttribution: Anonymous commented November 7, 2013 at 9:26am Issue summary:
UTC Votes:29 Avg. Score:4.9 ± 0.3 Reproduced:28 of 28 (100.0%) Same Version:13 (46.4%) Same OS:10 (35.7%) From: pierre at archlinux https://bugs.php.net/62886 dot de Assigned: fat Status: Closed Package: FPM related PHP Version: 5.4.6 OS: Arch Linux Private report: No CVE-ID: View Add Comment Developer Edit [2012-08-22 08:26 UTC] pierre at archlinux dot de Description: ------------ Since PHP 5.4.5 starting php-fpm will either result in a segmentation fault or it will hang under certain conditions. segfault error It is a little hard to reproduce but it seems it is related to using modules. There more modules get loaded via php.ini the more likely this bug will get triggered (> 30%); with no modules loaded I was not able to trigger it. I started from 5.4.6 and reverted patches applied to sapi/fpm. segfault error 4 Once I reverted commit c2f33fb1293cbcdc94daefb8583ca13e98b5c826, php would no longer crash or hang. See http://git.php.net/?p=php-src.git;a=commit;h=c2f33fb1293cbcdc94daefb8583ca13e98b5c826 Test script: --------------- Configure php with a bunch of modules and run something like this: for i in {1..100};do sudo php-fpm;sleep 0.5;sudo killall php-fpm;sleep 0.5;done watch dmesg for segfaults like php-fpm[32571]: segfault at 7f4eabe93cf8 ip 00007f4eae9b1ed6 sp 00007fff87d69310 error 4 in ld-2.16.so[7f4eae9a3000+21000] gdb will tell you 0x00007fe0412c1ed6 in _dl_fini () from /lib/ld-linux-x86-64.so.2 Sometimes php-fpm will hang and has to be killed with kill -9. Patches bug62886.patch.txt (last revision 2012-09-26 19:28 UTC) by fat@php.net) php-fpm.conf (last revision 2012-08-24 08:56 UTC) by pierre at archlinux dot de) php.ini (last revision 2012-08-24 08:55 UTC) by pierre at archlinux dot de) Add a PatchPull Requests Add a Pull RequestHistoryAllCommentsChangesGit/SVN commitsRelated reports [2012-08-23 15:41 UTC] laruence@php.net -Assigned To: +Assigned To: fat [2012-08-23 15:41 UTC] laruence@php.net fat, could you please look at this one? [2012-08-23 22:55 UTC] fat@php.net -Status: Assigned +Status: Feedback [2012-08-23 22:55 UTC] fat@php.net Thank you for this bug re