As said in comment #13, I think this is related to the ohci-pci module. All other usb hcd drivers are built-in but this one was missed after upstream split it off the ohci_hcd driver. Initramfs-tools cannot help there for the installer at least.
** Changed in: linux (Ubuntu) Assignee: (unassigned) => Stefan Bader (smb) ** Changed in: linux (Ubuntu) Status: Confirmed => In Progress ** Changed in: initramfs-tools (Ubuntu) Status: New => Invalid ** Also affects: initramfs-tools (Ubuntu Saucy) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Saucy) Importance: Undecided Status: New ** Changed in: initramfs-tools (Ubuntu Saucy) Status: New => Invalid -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1244176 Title: Server 13.10 Install Fails with USB Keyboard (Appears to Hang) Status in “initramfs-tools” package in Ubuntu: Invalid Status in “linux” package in Ubuntu: In Progress Status in “initramfs-tools” source package in Saucy: Invalid Status in “linux” source package in Saucy: New Bug description: A fresh install of Server 13.10 on old hardware fails when a USB keyboard is present. The installation succeeds when a PS/2 keyboard is installed. The installation appears to hang at the third screen, which is "Select Language". The screen does not respond to keyboard or mouse events. The issue was experienced independently on HP/Compag dc5850 with Athlon X2 2.3 GHz dual core, 4GB RAM; and DELL Optiplex 755. See "Server 13.10 Install Hangs", http://askubuntu.com/questions/364945/server-13-10-install- hangs/364949. The issue was not present on Server 12.04.3 LTS or 13.04. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1244176/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : firstname.lastname@example.org Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp