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Zitan
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Joined: 16 Jun 2007
Posts: 71
Location: Człuchów

PostPosted: Sat Apr 14, 2012 7:12 pm    Post subject: Problem z grub2-mkconfig Reply with quote

Chce mieć ładny boot loader w moim HTPC i już :), więc zainstalowałem grub2

Code:
XBMC ~ # emerge grub -va

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild   R   *] sys-boot/grub-9999  USE="device-mapper nls sdl truetype -custom-cflags -debug -efiemu -libzfs -mount -static" GRUB_PLATFORMS="efi-32 efi-64 emu pc -coreboot -ieee1275 -multiboot -qemu -qemu-mips -yeeloong" 0 kB

Total: 1 package (1 reinstall), Size of downloads: 0 kB

Would you like to merge these packages? [Yes/No] n

Quitting.

w wersji 9999 bo mój system plików to btrfs
cat /etc/fstab
Code:

/dev/sda1               /boot           ext3            noatime,rw      1 2
/dev/sda2               none            swap            sw              0 0
/dev/sda5               /               btrfs           noatime         0 1
/dev/sda6               /home           btrfs           noatime         0 1
/dev/sr0                /mnt/cdrom      auto            noauto,ro       0 0

grep -v rootfs /proc/mounts
Code:
/dev/root / btrfs rw,noatime,nospace_cache 0 0
proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0
tmpfs /run tmpfs rw,nosuid,nodev,relatime,mode=755 0 0
rc-svcdir /lib64/rc/init.d tmpfs rw,nosuid,nodev,noexec,relatime,size=1024k,mode=755 0 0
sysfs /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0
debugfs /sys/kernel/debug debugfs rw,nosuid,nodev,noexec,relatime 0 0
cgroup_root /sys/fs/cgroup tmpfs rw,nosuid,nodev,noexec,relatime,size=10240k,mode=755 0 0
openrc /sys/fs/cgroup/openrc cgroup rw,nosuid,nodev,noexec,relatime,release_agent=/lib64/rc/sh/cgroup-release-agent.sh,name=openrc 0 0
cpu /sys/fs/cgroup/cpu cgroup rw,nosuid,nodev,noexec,relatime,cpu 0 0
udev /dev devtmpfs rw,nosuid,relatime,size=10240k,nr_inodes=417440,mode=755 0 0
devpts /dev/pts devpts rw,nosuid,noexec,relatime,gid=5,mode=620 0 0
shm /dev/shm tmpfs rw,nosuid,nodev,noexec,relatime 0 0
cachedir /lib64/splash/cache tmpfs rw,nosuid,nodev,noexec,noatime,size=4096k,mode=755 0 0
/dev/sda1 /boot ext3 rw,noatime,errors=continue,user_xattr,acl,commit=5,barrier=1,data=ordered 0 0
/dev/sda6 /home btrfs rw,noatime,nospace_cache 0 0
binfmt_misc /proc/sys/fs/binfmt_misc binfmt_misc rw,nosuid,nodev,noexec,relatime 0 0
usbfs /proc/bus/usb usbfs rw,nosuid,noexec,relatime,devgid=85,devmode=664 0 0

Instalacja grub-a
Code:
XBMC ~ # grep -v rootfs /proc/mounts > /etc/mtab
XBMC ~ # cp /proc/mounts /etc/mtab
XBMC ~ # grub2-install /dev/sda
Installation finished. No error reported.

cat /etc/default/grub
Code:
# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-boot/grub/files/grub.default,v 1.3 2012/02/29 01:52:23 floppym Exp $
#
# To populate all changes in this file you need to regenerate your
# grub configuration file afterwards:
#     'grub2-mkconfig -o /boot/grub2/grub.cfg'
#
# See the grub info page for documentation on possible variables and
# their associated values.

GRUB_DISTRIBUTOR="Gentoo"

GRUB_DEFAULT=0
GRUB_HIDDEN_TIMEOUT=0
GRUB_HIDDEN_TIMEOUT_QUIET=true
GRUB_TIMEOUT=10

GRUB_CMDLINE_LINUX_DEFAULT=""
GRUB_CMDLINE_LINUX=""

# Uncomment to disable graphical terminal (grub-pc only)
GRUB_TERMINAL=console

# The resolution used on graphical terminal.
# Note that you can use only modes which your graphic card supports via VBE.
# You can see them in real GRUB with the command `vbeinfo'.
GRUB_GFXMODE="1024x768x32"
GRUB_GFXPAYLOAD_LINUX="1024x768x32"
# Background image used on graphical terminal.
# Can be in various bitmap formats.
GRUB_BACKGROUND="/boot/grub2/mybackground.png"

# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to kernel
GRUB_DISABLE_LINUX_UUID=true

# Uncomment to disable generation of recovery mode menu entries
GRUB_DISABLE_RECOVERY=true


Polecenie grub2-mkconfig
Code:

XBMC ~ # grub2-mkconfig -o /boot/grub2/grub.cfg
/usr/sbin/grub2-probe: error: failed to get canonical path of /dev/root.


Co ciekawe jak schrootowałem system z płyty Gennto liveDVD
Code:
swapon /dev/sda2 && mount /dev/sda5 /mnt/gentoo && mount /dev/sda1 /mnt/gentoo/boot && cp -L /etc/resolv.conf /mnt/gentoo/etc/ && mount -t proc none /mnt/gentoo/proc && mount -o bind /dev /mnt/gentoo/dev && chroot /mnt/gentoo /bin/bash

tak wiem, leniwy jestem :). Komenda "grub2-mkconfig -o /boot/grub2/grub.cfg" działa poprawnie. Co mam zrobić żeby móc modyfikować grub-a z poziomu systemu?.
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SlashBeast
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Posts: 2825

PostPosted: Sun Apr 15, 2012 11:28 am    Post subject: Reply with quote

Jezeli chcesz ladny bootloader uzyl bym extlinux z vesamenu.c32. grub2 to jest porazka na calej lini, caaalej.
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Zitan
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Joined: 16 Jun 2007
Posts: 71
Location: Człuchów

PostPosted: Sun Apr 15, 2012 1:33 pm    Post subject: Reply with quote

SlashBeast wrote:
Jezeli chcesz ladny bootloader uzyl bym extlinux z vesamenu.c32. grub2 to jest porazka na calej lini, caaalej.


A co to jest?

EDIT: ok mam, dzięki.
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Gentoo miażdży mi umysł. Emerge doprowadza do wściekłości. Czas jaki spędzam przy kompilacji wywołuje u mnie mdłości. Powoli trącę zmysły, kocham ten system - Gentoo4live.
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