[rt-users] CSS/Segfault problem

Ashley Gould agould at aslab.com
Fri Nov 30 00:44:50 EST 2001

Come to think of it, I haven't seen that one since my last 
install (2.0.8).  I checked my error_log and nothing for at 
least 30 days.  I built every thing by hand.  Here's some snips from 
my install notes:

I'm building postgres, perl, apache, and mod-perl from sources:

Mail server is postfix from SuSe7.2 RPMs

fisrt I built a new kernel. 
develrt:/usr/include # uname -r

Then I built perl 5.6.1 with libperl as shared object:
develrt:/usr/local/build/perl-5.6.1 # sh Configure -Duseshrplib
develrt:/usr/local/build/perl-5.6.1 # make
develrt:/usr/local/build/perl-5.6.1 # make test
develrt:/usr/local/build/perl-5.6.1 # make install

Building postgres

develrt:/usr/local/build/postgresql-7.1.3 # cat startbuild
# This is the flags I'm using to configure building postgres

./configure --enable-locale  \
        --with-perl \
        --enable-multibyte \
        --enable-unicode-conversion \
        --with-python \

develrt:/usr/local/build/postgresql-7.1.3 # ./startbuild 
develrt:/usr/local/build/postgresql-7.1.3 # make 
develrt:/usr/local/build/postgresql-7.1.3 # make install

develrt:/usr/local/build/postgresql-7.1.3 # grep postgres /etc/passwd
postgres:x:26:2:Postgres Database Admin:/usr/local/pgsql:/bin/bash
develrt:/usr/local # chown -R postgres.daemon pgsql/
develrt:/usr/local # su - postgres
postgres at develrt:~ > /usr/local/pgsql/bin/initdb -D
postgres at develrt:~ > /usr/local/pgsql/bin/pg_ctl -D
/usr/local/pgsql/data -l log

The "-i" flag is needed so that rt can connect over the loopback
I set up this start command line in /etc/init.d/boot.local:

# start postgres
/usr/bin/sudo -u postgres /usr/bin/pg_ctl -o "-i -p 5432" -D

Building apache with mod_perl non-DSO

develrt:/usr/local/build/mod_perl-1.26 # perl Makefile.PL
develrt:/usr/local/build/mod_perl-1.26 # make && make test && make
develrt:/usr/local/build/mod_perl-1.26 # cd ../apache_1.3.22/
develrt:/usr/local/build/apache_1.3.22 # make install

3)   Satisfy RT's myriad dependencies

ran make fixdeps, configured cpan.  Looked good up to DBD-Pg:

  CPAN.pm: Going to build M/ME/MERGL/DBD-Pg-1.01.tar.gz

Configuring Pg
Remember to actually read the README file !
please set environment variables POSTGRES_INCLUDE and POSTGRES_LIB !
Running make test
  Make had some problems, maybe interrupted? Won't test
Running make install
  Make had some problems, maybe interrupted? Won't install

I'm buidling it by hand:
develrt:/usr/local/build/.cpan/build/DBD-Pg-1.01 # export
develrt:/usr/local/build/.cpan/build/DBD-Pg-1.01 # perl Makefile.PL
velrt:/usr/local/build/.cpan/build/DBD-Pg-1.01 # make
develrt:/usr/local/build/.cpan/build/DBD-Pg-1.01 # make test
develrt:/usr/local/build/.cpan/build/DBD-Pg-1.01 # su postgres
develrt:/usr/local/build/.cpan/build/DBD-Pg-1.01 # make test
develrt:/usr/local/build/.cpan/build/DBD-Pg-1.01 # exit     
develrt:/usr/local/build/.cpan/build/DBD-Pg-1.01 # make install

Looks good. Trying make fixdeps again:

 got everything but Apache::Session.  Fails on install because failed
tests were looking for Storable.pmi and Digest/MD5.pm.  So I installed 
that with cpan:
develrt:/usr/local/build/rt-2-0-8 # perl -MCPAN -e shell
cpan> install Storable
cpan> install Digest::MD5

develrt:/usr/local/build/.cpan/build/Apache-Session-1.54 # make test
develrt:/usr/local/build/.cpan/build/Apache-Session-1.54 # make install

My kit is all good.  But wait! there was a post on the RT users list:

have you installed DBI::SearchBuilder 0.46-test1, as recommended in
last week's conversation about performance tuning?

I think I had better do it.  Oh, well.  All I could find was
DBIx::SearchBuiler-0.46.  I hope that is recent enough.


First I couldn't connect to the database:
I then restarted postgres with the -i flag:
sudo -u postgres postmaster -i -D /usr/local/pgsql/data/ &

      -i     Allows  clients  to  connect  via  TCP/IP (Internet
              domain)  connections.  Without  this  option,  only
              local  Unix domain socket connections are accepted.

This way the RT install could connect over the loopback interface.

On Thu, Nov 29, 2001 at 08:14:45PM -0500, David C. Troy wrote:
> Just checking in to see if anyone had come up with a reproducible solution
> to the CSS/Segfault problem that has been discussed repeatedly.  I am
> seeing it on a RH 7.1 system.
> Dave
> =====================================================================
> David C. Troy   [dave at toad.net]                   410-544-6193 Sales
> ToadNet - Want to go fast?                        410-544-1329 FAX
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