Now I could sharpen the problem. It only shows up if using AuthPG libapache2-mod-auth-pgsql in connection with a cgi script. To reproduce put the following in /etc/apache2/conf.d/authpgtest.conf and then execute a2enconf authpgtest.conf and service apache2 reload .
Alias /authpgtest /export/scratch/authpgtest <Directory /export/scratch/authpgtest/> Options +ExecCGI +FollowSymLinks AddHandler cgi-script .pl AuthName "TestRealm" AuthType Basic AuthBasicProvider pgsql Auth_PG_host /var/run/postgresql Auth_PG_port 5432 Auth_PG_database authpgtestdb Auth_PG_pwd_table ident_users Auth_PG_uid_field uname Auth_PG_pwd_field password Auth_PG_encrypted off Require valid-user </Directory> Of course the postgres db authpgtestdb with table ident_users with columns uname and password have to exist, or the params adapted. Under /export/scratch/authpgtest/hw.pl put the follwing. #!/usr/bin/perl print "Content-type: text/html\n\n"; print "Hello, World!\n"; Then call http://<host>/authpgtest/hw.pl in your browser while tail -f tail -f /var/log/apache2/error.log is running. Press the reload button of the browser a few times. Without using AuthPG-Realm I think the errors do not show up. Unfortunately, I need this for production and a workaround seems not to doable. Chris -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1272857 Title: apache2 crashed with SIGSEGV in <signal handler called>() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apache2/+bug/1272857/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs