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[bug #36077] Dell R510 UEFI: error allocate real mode pages


From: Richard Chan
Subject: [bug #36077] Dell R510 UEFI: error allocate real mode pages
Date: Wed, 04 Apr 2012 02:23:24 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.3) Gecko/20120314 Firefox/10.0.3

URL:
  <http://savannah.gnu.org/bugs/?36077>

                 Summary: Dell R510 UEFI: error allocate real mode pages
                 Project: GNU GRUB
            Submitted by: beaver6675
            Submitted on: Wed 04 Apr 2012 02:23:23 AM GMT
                Category: Booting
                Severity: Major
                Priority: 5 - Normal
              Item Group: Software Error
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: Beaver6675
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 
                 Release: Bazaar - trunk
         Reproducibility: Every Time
         Planned Release: None

    _______________________________________________________

Details:

1. On Dell R510 R810 UEFI firmware, grub cannot load kernels.
The Dell servers have been loaded with the latest BIOS and firmwares as of
3/31/2012.

2. GRUB compiled from bzr trunk with
./configure --with-platform=efi --disable-werror

3. GRUB EFI application created with
 grub-mkstandalone -O x86_64-efi -o /media/USBTHUMB/EFI/BOOT/BOOTX64.EFI

4. Enter server EFI Boot Manager and select USB media

5. Obtain grub shell 2.00~beta
   insmod part_gpt
   insmod part_msdos
   insmod ext2
   insmod fat
   set root (hd0,2)
   linux /vmlinuz root=/dev/sda1 ro
   error: cannot allocate real mode pages

(2.6.32 kernel from CentOS 6.2, same error with Fedora 16 kernel;
same error using grub.efi from Fedora 17 Alpha grub2-efi)

8. This same UEFI firmware boots kernels using grub-legacy-UEFI from Centos6.2
install DVD. Chainloading grub->grub-legacy->linux
works

9. I cannot get any Dell 11G server R510, R810, M910 to boot linux with grub
in UEFI mode.




    _______________________________________________________

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