[bug #39350] USB Keyboard does not work with EFI Bios

[Gerben van Ek]

URL:
  <http://savannah.gnu.org/bugs/?39350>

                 Summary: USB Keyboard does not work with EFI Bios
                 Project: GNU GRUB
            Submitted by: thegve
            Submitted on: Thu 27 Jun 2013 01:21:43 PM GMT
                Category: User Interface
                Severity: Major
                Priority: 5 - Normal
              Item Group: Software Error
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 
                 Release: other
         Reproducibility: Every Time
         Planned Release: None

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Details:

My goal is to PXE boot a Dell Latitude 10 RT2 Tablet PC to a grub boot manager
menu.

Building and pxe-booting a grub-image succeeded. USB Keyboard's are not
working however.

The BIOS does not support USB Legacy mode.

I've built the latest Grub2 from source on a Debian 6.0.5 32bit host.

I've built the image using the following command:
./grub-mkimage -c grub.cfg -o grub.efi -O i386-efi boot linux part_gpt fat
ext2 normal configfile lspci ls reboot datetime loadenv search lvm help  chain
 usb_keyboard  uhci ohci

My grub.cfg contains:
insmod uhci
insmod ehci

My /etc/default/grub contains:
GRUB_TIMEOUT=10
GRUB_TERMINAL_INPUT=usb_keyboard

I get no errors or warnings, the grub shell loads fine, only the keyboard is
not working.





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