The problem exist because the folder /var/log/postgresql does not exist. I cannot find out if it didn't exist with the previous postgresql version or if it was removed by the install script, but after a apt upgrade I had to create the directory manually to install the package.
-- package postgresql-8.3 8.3.7-0ubuntu8.10.1 failed to install/upgrade: subprocess post-installation script returned error exit status 1 https://bugs.launchpad.net/bugs/357205 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs