The file is /var/log/bootstrap.log, same warnings here but no further issues. Last change of log file was on 7th of Oct.2010, iirc the upgrade from Natty to Oneiric, it collects dpkg upgrade informations.
** Attachment added: "bootstrap.txt" https://bugs.launchpad.net/ubuntu/+source/dpkg/+bug/900904/+attachment/2654299/+files/bootstrap.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/900904 Title: warnings in bootstrap.log To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dpkg/+bug/900904/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs