Re: Re: GRUB2 for UEFI crashes at startup when we got 8 gigabyte of memory

[gburanov]

> 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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