Multi-arch is enabled by default on amd64 systems from 11.10 onwards. See this page for information on disabling:
http://askubuntu.com/questions/66875/how-to-disable-multiarch-support and this page which notes why that might not be a good idea: https://help.ubuntu.com/community/MultiArch > E: Dynamic MMap ran out of room. Please increase the size of APT::Cache- > Limit. Current value: 25165824. (man 5 apt.conf) This error mentions how it can be resolved. ** Changed in: apt (Ubuntu) Status: Confirmed => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/992449 Title: Ubuntu 12.04 downloads i386 sources on amd64 system To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/992449/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
