I ran top just after login in and it appears that apt-check was running just before the freeze.
** Attachment added: "top console screenshot" http://launchpadlibrarian.net/34518277/xubuntu9.10-freeze.png -- computer freezes after xubuntu installation on kvm https://bugs.launchpad.net/bugs/462522 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