Apport directed me to this bug; here's what I got from running the pstree command:
** Attachment added: "bug 349469 jake" https://bugs.launchpad.net/ubuntu/+source/debconf/+bug/349469/+attachment/3247540/+files/bug%20349469%20jake -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/349469 Title: debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable To manage notifications about this bug go to: https://bugs.launchpad.net/debconf/+bug/349469/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
