> It may be a recent regression because we have a reports of successful
> boot in such configuration
> (http://lists.gnu.org/archive/html/grub-devel/2009-05/msg00179.html and
> neighbour threads).
> Be sure that grub is compiled with -mcmodel=large. You can also try
> disable usage of >4GiB memory by adding
> #define MCMODEL_SMALL
> to kern/efi/mm.c
Hm, as far as I can understand, the grub is always compiled with mcmodel=large
for UEFI
if test "$target_cpu"-"$platform" = x86_64-efi; then
# Use large model to support 4G memory
{ echo "$as_me:$LINENO: checking whether option -mcmodel=large works" >&5
echo $ECHO_N "checking whether option -mcmodel=large works... $ECHO_C" >&6; }
if test "${grub_cv_cc_mcmodel+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
SAVED_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS -m64 -mcmodel=large"
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
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