the same problem exist on amd64-oneiric with 1.8.7.334-4 it looks like a generic problem
** Tags added: amd64 oneiric -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/780605 Title: package libruby1.8 1.8.7.249-2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs