Terence Monteiro wrote:
Toby Corkindale wrote:
Terence Monteiro wrote:
Toby Corkindale wrote:
Terence Monteiro wrote:
I'm running my Catalyst application on apache2 using modperl with mysql
database accessed by DBIx::SearchBuilder. I'm getting the message in
the
apache2 error logs:
child pid 1140 exit signal Segmentation fault (11), possible core dump
in /tmp
]snip]
Ugh.. Dumping core? That's rather drastic!
What versions of DBI and DBD::mysql are you running?
And is DBD::mysql linked against the same mysql client libraries as
mod_php?
Thanks, Toby
DBD::mysql version: 4.008
DBI version: 1.607
libapache2-mod-php5 version: 5.2.0-8+etch10
How can I find out the mysql client libraries DBD::mysql and mod_php are
linked with? What you say is possible because I upgraded DBD::mysql from
the latest debian sources in unstable, but not (yet) mod_php. But I don't
understand why mod_php should matter.
Could you humour me, and try disabling PHP in Apache, and then seeing if>
that stops the Catalyst app crashing?
I think you can do it by 'rm /etc/apache/mods-enabled/*php*.load' or
something very similar?
Thanks for the reply. I have switched to fastcgi deployment and so far have
not had any segfaults. I will try what you're saying tonight, since being a
production environment, I get downtime only after 7:30pm IST (0100 UTC).
To check the actual versions of libraries used, you can do:
ldd /usr/lib/apache2/modules/mod_php*.so
ldd /usr/lib/perl5/auto/DBD/mysql/mysql.so
(At least I'm pretty sure that's where the files should be on debian etch)
But if you've recompiled dbd::mysql from source, and not mod_php, then
I'll bet this IS the problem. Sorry.
I installed both DBD::mysql and mod_php from debian packages
(libdbd-mysql-perl and libapache2-mod-php5). I did not compile DBD::mysql
(never have before).
Ah, sorry, I mistook something.
But I do think you said you installed the DBD::Mysql from a debian
backports, whereas the mod_php was from etch stable?
So, the Debian crew have done the compiling for you, but still, the
DBD::mysql is linked against mysqlclient from backports, while mod_php
is linked against the stable mysql client libraries.
Another test would be to update all of perl, apache, mod_php,
dbd::mysql, mod_perl etc from backports, so at least everything is from
the same source.
tjc
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