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Questions tagged [segmentation-fault]

106 questions
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Apache2 Segfault - need help interpreting this coredump (suspect cause is memcache / php session related)

Three Apache2 web servers running a PHP 5.2.3 web site. We're using Memcache to cache rendered pages but also as the storage engine of the PHP Sessions. At peak traffic times we're getting Apache segmentation faults on all three web servers and all…
WayneDV
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Segfaults in CentOS (grep, coreutils, etc)

I was passed a box today which wasn't coming back from a reboot. After a fair bit of work with live/rescue disks I came across the situation I'm now stuck on. Basically various lowlevel tools (ls, grep, etc) are segfaulting - which a reinstall…
Coops
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Is segfault signal always sent to application

My application usually crashes and prints stack to log if received segfault signal. But in some environment the 'dmesg' shows segfault messages related to my application, but application uptime is much older. Can segfault be suppressed and…
noonex
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How to debug PostgreSQL segmentation fault?

I have a PostgreSQL 13 instance that keeps crashing: LOG: server process (PID 10722) was terminated by signal 11: Segmentation fault DETAIL: Failed process was running: COMMIT LOG: terminating any other active server processes WARNING: …
Tombart
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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 VM: apt-get install gdb apache2-dbg php5-dbg…
Larsen
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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.alpinelinux.org/alpine/v3.3/main' >>…
chingis
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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 those parameters are enough: bash-4.1$ ulimit…
julian
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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 the blue. The gmetad process is running on an…
SamBarham
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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 fine. [Fri Nov 29 20:44:41.318847 2013]…
Dan
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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?
Robin Green
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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/apache2/error.log. How can I debug this…
Jeroen Ooms
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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) process halting with a segmentation…
Jason
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Continuous segmentation faults (code 11) with nginx and php-fpm

I'm running a CentOS 6 64bit server with 1.2 GHz CPU and 2.4 GB RAM. The server runs nginx and php-fpm with the APC extension and also mysql. A couple of weeks ago the server starting continuously throwing 500 errors on HTTP requests; Google WMT was…
Daniel
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Apache segfaults on Wordpress admin page

I can access the frontend of a new Wordpress setup without issue. I can also log in with a user account without issue. However, if I try to log in with an admin account I get a 500 error about 70-80% of the time. If I do manage to get through to…
Aaron
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Apache Segmentation Fault

In my apache error log im getting lines such as [Wed Sep 21 16:51:14 2011] [notice] child pid 5414 exit signal Segmentation fault (11), possible coredump in /tmp/apache-cores/ [Wed Sep 21 17:04:15 2011] [notice] child pid 5558 exit signal…
Jack
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