On Sat, Apr 12, 2014 at 08:16:46AM -0400, Tom H wrote:
> On Sat, Apr 12, 2014 at 6:45 AM, Facu Curti <[email protected]> wrote:
>
>
> > Hi all. First at all i apologize if my english is not enough.
> > When I installed gentoo, I do that with UEFI, and gpt partitions. But
> > right now, I tried to install XEN, and this not works with EFI. I cant
> > wait until somebody fix this problem, So i'm thinking to change "EFI" to
> > "BIOS" boot.
> >
> > So, I deleted the efi (/boot/efi) partition, edited make.conf, and deleted
> > /etc/default/grub.
> >
> > After that, I made a new partition with bios_grub
> > flag. As explained in [1]. And reinstalled grub2 (with new flags).
> > But I can't boot. Anyway, I can boot from a live cd without
> > efi, so the problem is not in bios.
>
> Did you enable BIOS compatibility mode in the firmware?
>
> Different firmwares have different names for this but a common one is
> CSM (compatibility support module).
>
yes. It is enabled. And I can boot from a liveCD without EFI support
(tails). So the problem should be on grub I think.
>
> > I can't find the problem. ¿Some ideas?
> >
> > parted -l /dev/sdb:
> >
> > Model: ATA KINGSTON SV300S3 (scsi)
> > Disk /dev/sdb: 120GB
> > Sector size (logical/physical): 512B/512B
> > Partition Table: gpt
> > Disk Flags:
> >
> > Numero Inicio Fin Tamaño Sistema de ficheros Nombre Banderas
> > 1 1049kB 11,5MB 10,5MB bios_grub
> > 2 58,7MB 24,8GB 24,7GB ext4 rootfs arranque
> > 3 24,8GB 28,8GB 3999MB linux-swap(v1) swap
> > 4 28,8GB 120GB 91,2GB ext4 home
> >
> > I made install with:
> > grub2-install --target=i386-pc --recheck --debug /dev/sdb
> > grub2-mkconfig /boot/grub/grub.cfg
>
> It's "grub2-mkconfig -o /boot/grub/grub.cfg".
>
Yes. It was a typing mistake on email. But I ran the command correctly.
I attach my grub.cfg
Thank you for help!
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub2-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#
### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
load_env
fi
if [ "${next_entry}" ] ; then
set default="${next_entry}"
set next_entry=
save_env next_entry
set boot_once=true
else
set default="0"
fi
if [ x"${feature_menuentry_id}" = xy ]; then
menuentry_id_option="--id"
else
menuentry_id_option=""
fi
export menuentry_id_option
if [ "${prev_saved_entry}" ]; then
set saved_entry="${prev_saved_entry}"
save_env saved_entry
set prev_saved_entry=
save_env prev_saved_entry
set boot_once=true
fi
function savedefault {
if [ -z "${boot_once}" ]; then
saved_entry="${chosen}"
save_env saved_entry
fi
}
function load_video {
if [ x$feature_all_video_module = xy ]; then
insmod all_video
else
insmod efi_gop
insmod efi_uga
insmod ieee1275_fb
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
fi
}
if [ x$feature_default_font_path = xy ] ; then
font=unicode
else
insmod part_gpt
insmod ext2
set root='hd1,gpt2'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,gpt2
--hint-efi=hd1,gpt2 --hint-baremetal=ahci1,gpt2
f453f88d-a359-4e0d-8586-e0c2600c3b2d
else
search --no-floppy --fs-uuid --set=root f453f88d-a359-4e0d-8586-e0c2600c3b2d
fi
font="/usr/share/grub/unicode.pf2"
fi
if loadfont $font ; then
set gfxmode=auto
load_video
insmod gfxterm
set locale_dir=$prefix/locale
set lang=en_US
insmod gettext
fi
terminal_output gfxterm
if sleep --interruptible 0 ; then
set timeout=10
fi
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/10_linux ###
menuentry 'Gentoo GNU/Linux' --class gentoo --class gnu-linux --class gnu
--class os $menuentry_id_option
'gnulinux-simple-f453f88d-a359-4e0d-8586-e0c2600c3b2d' {
load_video
insmod gzio
insmod part_gpt
insmod ext2
set root='hd1,gpt2'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,gpt2
--hint-efi=hd1,gpt2 --hint-baremetal=ahci1,gpt2
f453f88d-a359-4e0d-8586-e0c2600c3b2d
else
search --no-floppy --fs-uuid --set=root
f453f88d-a359-4e0d-8586-e0c2600c3b2d
fi
echo 'Loading Linux 3.12.13-gentoo ...'
linux /boot/kernel-3.12.13-gentoo root=/dev/sdb2 ro
}
submenu 'Advanced options for Gentoo GNU/Linux' $menuentry_id_option
'gnulinux-advanced-f453f88d-a359-4e0d-8586-e0c2600c3b2d' {
menuentry 'Gentoo GNU/Linux, with Linux 3.12.13-gentoo' --class gentoo
--class gnu-linux --class gnu --class os $menuentry_id_option
'gnulinux-3.12.13-gentoo-advanced-f453f88d-a359-4e0d-8586-e0c2600c3b2d' {
load_video
insmod gzio
insmod part_gpt
insmod ext2
set root='hd1,gpt2'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,gpt2
--hint-efi=hd1,gpt2 --hint-baremetal=ahci1,gpt2
f453f88d-a359-4e0d-8586-e0c2600c3b2d
else
search --no-floppy --fs-uuid --set=root
f453f88d-a359-4e0d-8586-e0c2600c3b2d
fi
echo 'Loading Linux 3.12.13-gentoo ...'
linux /boot/kernel-3.12.13-gentoo root=/dev/sdb2 ro
}
menuentry 'Gentoo GNU/Linux, with Linux 3.12.13-gentoo (recovery mode)'
--class gentoo --class gnu-linux --class gnu --class os $menuentry_id_option
'gnulinux-3.12.13-gentoo-recovery-f453f88d-a359-4e0d-8586-e0c2600c3b2d' {
load_video
insmod gzio
insmod part_gpt
insmod ext2
set root='hd1,gpt2'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd1,gpt2
--hint-efi=hd1,gpt2 --hint-baremetal=ahci1,gpt2
f453f88d-a359-4e0d-8586-e0c2600c3b2d
else
search --no-floppy --fs-uuid --set=root
f453f88d-a359-4e0d-8586-e0c2600c3b2d
fi
echo 'Loading Linux 3.12.13-gentoo ...'
linux /boot/kernel-3.12.13-gentoo root=/dev/sdb2 ro single
}
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###
### BEGIN /etc/grub.d/30_os-prober ###
### END /etc/grub.d/30_os-prober ###
### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries. Simply type the
# menu entries you want to add after this comment. Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###
### BEGIN /etc/grub.d/41_custom ###
if [ -f ${config_directory}/custom.cfg ]; then
source ${config_directory}/custom.cfg
elif [ -z "${config_directory}" -a -f $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###
