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grub2 with efi [Solved]
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erthalion
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Joined: 19 Sep 2012
Posts: 19

PostPosted: Mon Feb 09, 2015 12:49 pm    Post subject: grub2 with efi [Solved] Reply with quote

Hello, everyone

I have a strange problem about loading with grub2 and efi. Maybe I've missed something, but I'm trying to do this:

Code:
# mkdir /media/gentoo
# mount /dev/sda8 /media/gentoo/
# mount -t proc none /media/gentoo/proc/
# mount --rbind /dev/ /media/gentoo/dev
# mount --rbind /sys/ /media/gentoo/sys/
# chroot /media/gentoo/ /bin/bash

# env-update 
>>> Regenerating /etc/ld.so.cache...
# source /etc/profile
#


Code:

# parted -l
Model: ATA ST500LM000-SSHD- (scsi)
Disk /dev/sda: 500GB
Sector size (logical/physical): 512B/4096B
Partition Table: gpt
Disk Flags:

Warning: failed to translate partition name
Warning: failed to translate partition name
Warning: failed to translate partition name
Warning: failed to translate partition name
Number  Start   End     Size    File system  Name                          Flags
 1      1049kB  1050MB  1049MB  ntfs                                       hidden, diag
 2      1050MB  1322MB  273MB   fat32                                      boot, hidden, esp
 3      1322MB  2371MB  1049MB  fat32                                      hidden
 4      2371MB  2505MB  134MB                Microsoft reserved partition  msftres
 5      2505MB  108GB   106GB   ntfs         Basic data partition          msftdata
 8      108GB   459GB   350GB   ext4
 6      459GB   485GB   26.8GB  ntfs         Basic data partition          msftdata
 7      485GB   500GB   14.7GB  ntfs                                       hidden, diag


Code:
# mount /dev/sda2 /boot/efi/
# grub2-install --target=x86_64-efi --recheck --debug
....
grub2-install: info: copying `/boot/grub/x86_64-efi/core.efi' -> `/boot/efi/EFI/gentoo/grubx64.efi'.
grub2-install: info: Registering with EFI: distributor = `gentoo', path = `\EFI\gentoo\grubx64.efi', ESP at hostdisk//dev/sda,gpt2.
grub2-install: info: executing efibootmgr --version </dev/null >/dev/null.
grub2-install: info: executing modprobe -q efivars.
grub2-install: info: executing efibootmgr -b 0003 -B.
BootCurrent: 0000
Timeout: 0 seconds
BootOrder: 0002,2001,0001,2002,2003
Boot0000* EFI USB Device (UFD 2.0 Silicon-Power8G)
Boot0001* Lenovo Recovery System
Boot0002* Windows Boot Manager
Boot2001* EFI USB Device
Boot2002* EFI DVD/CDROM
Boot2003* EFI Network
grub2-install: info: executing efibootmgr -c -d /dev/sda -p 2 -w -L gentoo -l \EFI\gentoo\grubx64.efi.
BootCurrent: 0000
Timeout: 0 seconds
BootOrder: 0003,0002,2001,0001,2002,2003
Boot0000* EFI USB Device (UFD 2.0 Silicon-Power8G)
Boot0001* Lenovo Recovery System
Boot0002* Windows Boot Manager
Boot2001* EFI USB Device
Boot2002* EFI DVD/CDROM
Boot2003* EFI Network
Boot0003* gentoo
Installation finished. No error reported.

 # grub2-mkconfig -o /boot/grub/grub.cfg
Generating grub configuration file ...
Found linux image: /boot/kernel-genkernel-x86_64-3.17.8-gentoo-r1
Found initrd image: /boot/initramfs-genkernel-x86_64-3.17.8-gentoo-r1
Found Windows Recovery Environment (loader) on /dev/sda3
Found Windows 8 (loader) on /dev/sda5
done

 # efibootmgr -v
BootCurrent: 0000
Timeout: 0 seconds
BootOrder: 0003,0002,2001,0001,2002,2003
Boot0000* EFI USB Device (UFD 2.0 Silicon-Power8G)   ACPI(a0341d0,0)PCI(14,0)USB(1,0)HD(1,203f,efe782,c3072e18)RC
Boot0001* Lenovo Recovery System   HD(3,276800,1f4000,478687c7-6120-42c7-93ab-5e3103e1b9ee)File(\EFI\Microsoft\Boot\LrsBootMgr.efi)RC
Boot0002* Windows Boot Manager   HD(2,1f4800,82000,025a7d4d-2436-4fec-8e12-c34679d2d76b)File(\EFI\Microsoft\Boot\bootmgfw.efi)WINDOWS.........x...B.C.D.O.B.J.E.C.T.=.{.9.d.e.a.8.6.2.c.-.5.c.d.d.-.4.e.7.0.-.a.c.c.1.-.f.3.2.b.3.4.4.d.4.7.9.5.}...{................
Boot0003* gentoo   HD(2,1f4800,82000,025a7d4d-2436-4fec-8e12-c34679d2d76b)File(\EFI\gentoo\grubx64.efi)
Boot2001* EFI USB Device   RC
Boot2002* EFI DVD/CDROM   RC
Boot2003* EFI Network   RC


But after the reboot I see Window 8 loader again. How can I figure out, what's going wrong (any logs, or debug messages)? Or maybe you can see, that there is some stupid error?


Last edited by erthalion on Tue Feb 10, 2015 2:21 am; edited 1 time in total
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erthalion
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Joined: 19 Sep 2012
Posts: 19

PostPosted: Tue Feb 10, 2015 2:21 am    Post subject: Reply with quote

I solved problem - the option "Secure boot=Enabled" in BIOS was a culprit.
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