Questions tagged [segmentation-fault]

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Linux pvmove gone awry after turning on mq_deadline, any way to recover?

So we had a migration in the office using pvmove. Then this happened Mar 8 12:26:51 v1 kernel: [ 5798.100321] BUG: kernel NULL pointer dereference, address: 0000000000000140 Mar 8 12:26:51 v1 ...
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51 views

(Amazon Linux) Getting a segmentation fault when running google chrome

I have already looked at the following questions: https://unix.stackexchange.com/questions/329385/google-chrome-segmentation-fault-within-a-minute - The selected answer simply said that it works on ...
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19 views

Troubleshooting “traps: proces_name[pid] general protection” memory issue on Linux

I'm trying to troubleshoot a memory issue on one of my servers. Some time ago a daemon my company is developing crashed with segmentation errors. All would be somewhat fine, but seconds later other ...
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58 views

WARNING: Segmentation Faults in these executables php72.cgi

I have a hardened Ubuntu 14.04 server hosting a wordpress site. Dreamhost is our host. I seem to be getting lots of Segmentation Faults. The IP is mine (not a public ip) and I use ssh to connect. This ...
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42 views

Segfault when looking at dmesg after ssh crash

My server somehow crashes with it's ssh getting shut down. On doing a service network restart the system comes up again and then after looking at the dmesg the following output is shown. Output: [...
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Debian - php5.6/php7.0/postconf segfault after upgrade

Today I was updating packages using apt upgrade on servers. Everything was ok, but on one I've got message that it failed to run php5.6-fpm & php7.0-fpm. And now I have in dmesg: [21986691.640266]...
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36 views

OSX Apache segmentation fault not appearing in gdb

I'm trying to diagnose why my web application is crashing. In the Apache logs: [Thu Oct 17 15:34:03.576004 2019] [core:notice] [pid 8699] AH00052: child pid 55133 exit signal Segmentation fault (11) ...
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205 views

Could a CRON cause a segfault?

I'm running a web-server using AWS (Ubuntu 18, Apache2, Django, with https cert from Let's Encrypt - which auto renews) at vanlevy.com. I am the only one who has access to the AWS account and the ...
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0answers
53 views

PHP crash on page load, works on reload, then crashes again

I'm running PHP 7.1.31 as FPM served by Apache on Ubuntu 18.04. Also, my page runs on Phalcon 3.4.4. When I load the page up, there is almost a fifty-fifty chance that I will get a "Service ...
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1answer
566 views

zend_mm_heap corrupted PHP Fatal error: Cannot redeclare composerRequire

We have a webserver where besides normal requests large files are being uploaded. Some requests (such as 1/10) are dropped. We than see following errors in the error log. ==> /var/log/apache2/...
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1answer
115 views

IFTTT segmentation fault [closed]

I'm doing an assignment for school using getop with ocelot, I have to count words and count the substrings in the document. I have the word counting working but I was not able to do the substring, I ...
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1answer
1k views

Segfault error 4 in libmysqlclient.so

Since a few days, I see this kind of messages in my syslog: Sep 23 14:28:42 server kernel: [138926.637593] php5-fpm[6455]: segfault at 7f9ade735018 ip 00007f9ae4026772 sp 00007ffd69b4fad0 error 4 in ...
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1answer
189 views

Lot of segfaults and glibc detected erros too

my apache error.log has a lot of segfault errors: [core:notice] [pid 16753] AH00052: child pid 4861 exit signal Segmentation fault (11) And also some glibc detected errors every 10 hours or so: *** ...
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1answer
537 views

Xdebug Profiler Aggregate always crashes (xdebug.profiler_aggregate=1 causes coredump in xdebug.so xdebug_profiler_output_aggr_data())

Whenever I go to localhost I get a 404 error, until I mark xdebug.profiler_aggregate=0 The reason why is xdebug.so coredumps (SEGFAULT) [Xdebug] zend_extension=/usr/lib/php/20160303/xdebug.so xdebug....
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1answer
587 views

Ubuntu 14.04 on Amazon EC2- postfix segmentation fault

I have an EC2 instance using Ubuntu 14.04 which is where i want to send email from. I tested it by sending an email: echo "This is the body of the email" | mail -s "This is the subject line " ...
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1answer
1k views

apache http 2.2.29: Segmentation fault

We are using apache http server 2.2.29 on Linux. Below is the information related to Linux version (as found in /proc/version file) Linux version 2.6.32-573.el6.x86_64 (mockbuild@x86-027.build.eng.bos....
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192 views

Why I can't upload a 4k video to phpvibe?

So I trying to playing with Google VM tools and Phpvibe. My chalange is, you can upload any video whatever you want, to the site and after that the server is convert to the optimal format, so you can ...
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1answer
244 views

saslauthd running in segfault after some time

I'm using postfix with courier and mysql for authentication. Lately I have some segmentation faults, which causes sasl deamon to crash. It seems, the have something to do with dictionary attacks on ...
2
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2answers
1k views

Why doesn't Apache on Debian Wheezy create a core dump?

I have seen several questions regarding this, and must have tried nearly everything, but still, Apache won't create a core dump on the production server. This is the setup that actually works on my ...
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1answer
5k views

wget giving Segmentation fault

I recently did apt-get update followed by apt-get upgrade on my Debian VPS server. Suddenly (at least) wget stopped working with error Segmentation fault. It's not even trying to do something. So ...
2
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1answer
537 views

Varnish 4.1 segfault in Docker

I'm trying to use Varnish 4.1 with Docker (1.9.1). I've built a docker image in Alpine Linux 3.2 with its musl-libc to reduce the image size. Dockerfile: FROM alpine:3.2 ​ RUN echo 'http://dl-4....
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0answers
349 views

Teamspeak 3 Server Segfaults on Ubuntu 14.04 x64

I've been running a bunch of software on my Ubuntu server, was running 10.04 for a few years and never bothered to update, it hit EOL this year and I finally got around to moving to 14.04 and my TS3 ...
2
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1answer
1k views

ps is giving a segmentation fault

I'm getting a segmentation fault when I try to run a simple "ps aux" for a certain user. If I run as root or another user it runs well. So I think is something related with ulimits, but I think that ...
3
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1answer
5k views

Segmentation fault when running any PHP

Update: I fixed this by running apt-get upgrade which updated many php packages, it must of been a buggy php extension which is now fixed I have vagrant running homestead (Ubuntu 14.10), when I ssh ...
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1answer
4k views

Segmentation fault diagnoses

I am trying to diagnose a segmentation fault issue that started to occur after upgrading to Ubuntu 14.04 (32 bit). I am running a TSM client 6.2.5-4 which worked fine up to the upgrade. I tried to ...
22
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1answer
52k views

Tuning Apache2 prefork MaxClients ServerLimit

I have a machine with 128 GB Ram that is using Apache2 as Webserver (in this machine there is no Database Server, the Database Machine is a 64 GB Ram machine that can handle 2000 max connections). I ...
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1answer
1k views

How can a bog-standard Wordpress install break PHP?

I'm trying to host a Wordpress site on the root of a standard Apache setup on Ubuntu 14.04. The main page of the site loads fine, but any other page causes a "no data received" message in the browser, ...
15
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1answer
11k views

Why is logrotate causing Apache to seg fault each time?

Every time logrotate runs Apache/2.4.7 (Ubuntu) experiences a seg fault and does not restart: [Wed Sep 10 06:35:54.266018 2014] [mpm_event:notice] [pid 20599:tid 140630283466624] AH00493: SIGUSR1 ...
2
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0answers
484 views

Ganglia gmetad segfaults after running for a while (on AWS EC2)

We are using Ganglia to monitoring our cloud infrastructure on Amazon AWS. Everything is working correctly (metrics are flowing etc), except that occasionally the gmetad process will segfault out of ...
6
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1answer
6k views

`ls` causes Segmentation Fault on a specific directory

I used $HOME/.local as prefix to install some applications without root access. There is one directory inside $HOME/.local that I can't execute ls command: [tuananh@server lib]$ ls Segmentation fault ...
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1answer
1k views

uWSGI raises segfaults when defining several mount points in preforking+threaded mode

I'm hosting an application consisting of several Python modules. So far we use Apache in MPM worker mode and mod_wsgi, which is a working environment. Now we want to check if nginx + uwsgi may be a ...
1
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1answer
2k views

Segmentation fault during apt-get install

$ apt-get install openssh-server fails with Segmentation fault when it attempts to generate keys. This leaves me with a half-complete installation, but the binaries are in place. I also notice that ...
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0answers
781 views

Apache2 vhost config not working (Debian 7)

My Apache 2.4.9 vhost configuration is not working any more on Debian 7. I didn't make any changes and it seems to have broken. Going to my site shows the following in /var/log/apache2/error.log ...
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1answer
808 views

Segmentation fault (11) on PHP website

I have recently moved a clients WordPress site to a new server. His old server was pretty outdated. It is the only site on the server. It's been a few weeks and I randomly get these errors in the php ...
1
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1answer
4k views

JVM crash with segmentation fault

We have a cluster of tomcat servers, just upgraded to debian7/openjdk7/tomcat7 (all from stock debian). Now we had two JVM crash on different machines. Both servers having identical hardware and are ...
2
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0answers
734 views

Internet Explorer SSL use causes segfault - Apache httpd SIGSEGV in apr_uri_parse

Recently I've had quite a large influx of the error below in the error_log. I've found out that it happens when someone browses my site using SSL https: and Internet Explorer, all other browsers are ...
2
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0answers
138 views

Obtain backtrace from httpd?

In my /var/log/httpd/error_log in Fedora 19 I have several child segmentation faults recorded. How can I get a backtrace for these when they occur?
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2answers
496 views

Acroread Convert PDF File To PostScript Segmentation Fault

Our customer has a Linux server (Redhat), which runs Java web applications. Recently there is a requirement to submit PDF files to printers to be printed out. The command we are using is cat /path/to/...
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1answer
9k views

Segmentation faults nginx + php5-fpm [closed]

I have questions about segmentation faults. I am runnbing Debian + Nging + Php5-fpm + Mysql + Imagemagick. How to find out what script (or program) is causing segmentation faults? I need a very ...
3
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1answer
157 views

Multiple segmentation faults on Linux host

I have an old Slackware 9.0 mail server on a VM at Linode.com. It has around 130GB of mail hosted on it, in Maildir format on partitioned, separate Ext3 filesystems (largest one is 92GB). I'm in the ...
6
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3answers
12k views

segfaults are not logging into /var/log/messages

I'm using Red Hat Enterprise Linux Server release 5. In this whenever a user process crashes due to segmentaion faults, it was not logged in /var/log/messages. Even dmesg is also not showing any ...
1
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1answer
6k views

CentOS 5.7 Yum Segmentation fault (core dumped) error [duplicate]

My system Info: OS :CentOS release 5.7 (Final) Apache 2.2.3 Server Running DirectAdmin 1.40.1 Running Exim 4.76 Running MySQL 5.1.57 Running Named 9.3.6 Running ProFTPd 1.3....
0
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1answer
370 views

mod_wsgi Causing httpd to Segmentation Fault

I have just installed python2.6 and mod_wsgi on my MediaTemple CentOS5.8 server. I had to install python2.6 along side the default python version of 2.4. I then compiled mod_wsgi telling it to use ...
2
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2answers
9k views

Apache2 configtest segmentation fault

For whatever reason I managed to mess up Apache quite bad (Ubuntu 12.04). The output below complains about configtest failing and a segmentation fault. However, I can't find anything in /var/log/...
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2answers
1k views

What would cause a PHP app to segfault intermittently under load?

Posted this on stackoverflow but it seems more relevant over here... I'm doing some load testing (using jMeter) on a PHP app (it's a symfony app, if that matters). I've tested it under both apache/...
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2answers
713 views

How to TAIL & EGREP for a specified time range in a BASH script

The subject mostly says it all. I am in charge of a few web servers running Ubuntu 12.04 running Apache2 & I would like to setup APC. Now I understand APC can hit segmentation fault issues when ...
2
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2answers
24k views

PHP segmentation fault when using more than 128M

I have an install of SugarCRM. It is heavy on memory, which is a separate issue to deal with. In the meantime, any page that attempts to use more than 128M of memory, results in the Apache (mod_php) ...
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0answers
405 views

child pid xxxx exit signal Segmentation fault

I am running a drupal site. It was working fine. Later I installed and enabled some Panopoly News and Panopoly Demo modules, after which my site stops working and throwing the following error on ...
13
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2answers
23k views

How to get a core dump from apache when segfaulting

I've followed instructions from many locations online on how to get a core dump from apache when it is producing a segfault, but it still refuses to generate the dump. I have: Added the ...
0
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1answer
75 views

increasing log level to catch issues

How do you increase the log level for apache to add coredumpdirectory and to catch any segfaults. I am trying to debug some issues and need apache to log every little bit of activitiy.