[SOLVED] Segmentation Fault

bsdboy · Post by **bsdboy** » Mon Jan 14, 2008 3:03 pm

Hello there, doing a new install and having a terrible time getting cacti to serve a page. The symptoms are:

When config.php is incorrect I get:

FATAL: Cannot connect to MySQL server on 'localhost'. Please make sure you have specified a valid MySQL database name in 'include/config.php'

When the vars are correct in there I get a segmentation fault:

[root@my-cacti cacti]# php -e index.php
Segmentation fault

I am able to pull a phpinfo.php so it appears as if php is working but I'm wondering if the mysql module in php is causing this. Here are the apache logs:

[Mon Jan 14 13:40:03 2008] [notice] child pid 16463 exit signal Segmentation fault (11)
[Mon Jan 14 13:41:15 2008] [notice] child pid 16543 exit signal Segmentation fault (11)
[Mon Jan 14 13:41:53 2008] [notice] child pid 16544 exit signal Segmentation fault (11)

Here are my versions:

[root@my-cacti cacti]# cat /etc/redhat-release
CentOS release 4.5 (Final)
[root@my-cacti cacti]# mysql -V
mysql Ver 14.12 Distrib 5.0.51, for redhat-linux-gnu (i686) using EditLine wrapper
[root@my-cacti cacti]#
[root@my-cacti cacti]# php -v
PHP 5.2.4 (cli) (built: Jan 14 2008 13:19:22)
Copyright (c) 1997-2007 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2007 Zend Technologies
[root@my-cacti cacti]#
[root@my-cacti cacti]# ls /source/cacti-0.8.7a
[root@my-cacti cacti]# ls /source/rrdtool-1.2.26

Here is the php ./configure if it helps:

'./configure' '--with-mysql=/usr/local/mysql' '--with-zlib-dir=/usr/include' '--with-config-file-path=/usr/local/php' '--enable-sockets' '--with-gd' '--prefix=/usr/local/php' '--with-apxs2=/usr/local/apache/bin/apxs'

Just hoping someone has a suggestion

I've also tried php5.2.5 and cacti-0.8.7a, same deal.

Thanks in advance!

windycn · Post by **windycn** » Mon Jan 14, 2008 11:53 pm

Here is my situation:

My envirnaments:
Linux 2.6.23.9-85.fc8 SMP x86_64
httpd: httpd-2.2.6-3.x86_64
php: php-5.2.4-3.x86_64
cacti: cacti-0.8.7a-1.fc8.x86_64
phpMyAdmin: phpMyAdmin-2.11.3-1.fc8.x86_64
mysql: mysql-5.0.45-6.fc8.x86_64
httpd -l:
Compiled in modules:
core.c
prefork.c
http_core.c
mod_so.c

When I use phpMyAdmin to operate mysql without any problem, but when I
install cacti, enter
http://localhost/cacti/, then I got these error log:

[Mon Jan 14 21:57:13 2008] [notice] suEXEC mechanism enabled (wrapper:
/usr/sbin/suexec)
[Mon Jan 14 21:57:13 2008] [notice] Digest: generating secret for
digest authentication ...
[Mon Jan 14 21:57:13 2008] [notice] Digest: done
[Mon Jan 14 21:57:13 2008] [notice] Apache/2.2.6 (Unix) DAV/2
PHP/5.2.4 configured -- resuming normal operations
[Mon Jan 14 21:57:31 2008] [notice] child pid 4302 exit signal
Segmentation fault (11)

most problem is [Mon Jan 14 21:57:31 2008] [notice] child pid 4302
exit signal Segmentation fault (11), then
nothing showed on the web client, for instance, mozilla.

apache accesslog:
[14/Jan/2008:22:25:48 +0800] "GET /cacti HTTP/1.1" 301 315 "-" "Mozilla/5.0

Anyone have any tips, thanks in advance

Zhou Zhen

fmangeant · Post by **fmangeant** » Tue Jan 15, 2008 2:12 am

Hi

are you both running SELinux ?

windycn · Post by **windycn** » Tue Jan 15, 2008 2:35 am

NO, I disable selinux for this installation.

ps axZ | grep httpd:

- 22406 ? Ss 0:00 /usr/sbin/httpd
- 22407 ? S 0:00 /usr/sbin/httpd
- 22408 ? S 0:00 /usr/sbin/httpd
- 22410 ? S 0:00 /usr/sbin/httpd
- 22411 ? S 0:00 /usr/sbin/httpd
- 22412 ? S 0:00 /usr/sbin/httpd
- 22413 ? S 0:00 /usr/sbin/httpd
- 22414 ? S 0:00 /usr/sbin/httpd
- 22415 ? S 0:00 /usr/sbin/httpd

Nothing related root_u:system_r:httpd_t.

Thanks

fmangeant · Post by **fmangeant** » Tue Jan 15, 2008 2:40 am

Have you created the MySQL database, added a MySQL user, flushed the privileges, and configured /path/to/cacti/include/config.php before accessing http://yourserver/cacti ?

windycn · Post by **windycn** » Tue Jan 15, 2008 3:10 am

very sorry, the result maybe shoot me by a gun.

I miss a step to create cacti database.

Anyway, thanks a lot.

Zhou Zhen

fmangeant · Post by **fmangeant** » Tue Jan 15, 2008 3:13 am

Is it working now ?

windycn · Post by **windycn** » Tue Jan 15, 2008 10:08 am

yes, it works now.

Thanks a lot.

bsdboy · Post by **bsdboy** » Tue Jan 15, 2008 2:18 pm

Ack, i think I missed that step too

I'll try tonight and report afterwards...

bsdboy · Post by **bsdboy** » Wed Jan 16, 2008 10:25 am

I've checked and it does appear as if I did set up mysql correctly... Here is my install doc.

# Install MySQL5
wget http://mysql.he.net/Downloads/MySQL-5.0 ... .51.tar.gz
zcat mysql-5.0.51.tar.gz |tar xvf -
cd mysql-5.0.51
./configure --prefix=/usr/local/mysql
make
make install

# Do some post installation stuff for mysql
/usr/sbin/groupadd mysql
/usr/sbin/useradd -g mysql mysql
scripts/mysql_install_db --user=mysql
chown -R root /usr/local/mysql
chown -R mysql /usr/local/mysql/var
chgrp -R mysql /usr/local/mysql
rm -f /etc/my.cnf
cp support-files/my-medium.cnf /etc/my.cnf
echo /usr/local/mysql/lib/mysql >> /etc/ld.so.conf
echo /usr/local/lib >> /etc/ld.so.conf
/sbin/ldconfig
cp support-files/mysql.server /etc/init.d/mysql
/usr/local/mysql/bin/mysqld_safe --user=mysql &
cd /etc/rc3.d/
ln -s ../init.d/mysql S85mysql
ln -s ../init.d/mysql K85mysql
cd /etc/rc5.d/
ln -s ../init.d/mysql S85mysql
ln -s ../init.d/mysql K85mysql
cd /etc/init.d/
chmod 755 mysql
/usr/local/mysql/bin/mysqladmin -u root password 'mypass'

I've blasted the current mysql install and am going to rebuild from source just to be sure.

fmangeant · Post by **fmangeant** » Wed Jan 16, 2008 10:28 am

Have you tried with the MySQL RPMS provided by CentOS ?

bsdboy · Post by **bsdboy** » Wed Jan 16, 2008 10:42 am

Ah, found the problem... I hadn't imported cacti.sql

mysql -u cactiuser cactidb -p < cacti.sql

Cacti

[SOLVED] Segmentation Fault

[SOLVED] Segmentation Fault

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