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With todays update I crashed two machines saying:
GRUB loading..
Welcome to GRUB!
error: file /__active/boot/grub/i386-pc/normal.mod not found.
Entering rescue mode...
grub rescue>
I even do not see available images or can choose one to load. One machine is an old 32bit thinkpad, the other a new htpc from saphire. Both have been setup following the official installation guide with btrfs, including btrfs_advanced hook, with grub2. Todays update included kernel and btrfs-mkinitcpio update.
GPT-partitions:
sda1: 2mib bios boot partition
sda2_ xgib linux file system
mbr protective
btrfs-layout htpc:
id top-level path
257 5 __active
258 257 home
259 257 var
260 257 usr
btrfs-layout thinkpad:
id top-level path
257 5 __active
258 5 __active/home
259 5 __active/var
260 5 __active/usr
261 5 __snapshot/somesnapthot1
262 5 __snapshot/somesnapthot2
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#
### BEGIN /etc/grub.d/00_header ###
insmod part_gpt
insmod part_msdos
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 btrfs
set root='hd0,gpt2'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt2 --hint-efi=hd0,gpt2 --hint-baremetal=ahci0,gpt2 81410cb0-62ba-408b-a5b2-a8a6354fb090
else
search --no-floppy --fs-uuid --set=root 81410cb0-62ba-408b-a5b2-a8a6354fb090
fi
font="/__active/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_input console
terminal_output gfxterm
set timeout=5
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/10_linux ###
menuentry 'Arch Linux, with Linux core repo kernel' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-core repo kernel-true-81410cb0-62ba-408b-a5b2-a8a6354fb090' {
load_video
set gfxpayload=keep
insmod gzio
insmod part_gpt
insmod btrfs
set root='hd0,gpt2'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt2 --hint-efi=hd0,gpt2 --hint-baremetal=ahci0,gpt2 81410cb0-62ba-408b-a5b2-a8a6354fb090
else
search --no-floppy --fs-uuid --set=root 81410cb0-62ba-408b-a5b2-a8a6354fb090
fi
echo 'Loading Linux core repo kernel ...'
linux /__active/boot/vmlinuz-linux root=UUID=81410cb0-62ba-408b-a5b2-a8a6354fb090 rw rootflags=subvol=__active quiet
echo 'Loading initial ramdisk ...'
initrd /__active/boot/initramfs-linux.img
}
menuentry 'Arch Linux, with Linux core repo kernel (Fallback initramfs)' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-core repo kernel-fallback-81410cb0-62ba-408b-a5b2-a8a6354fb090' {
load_video
set gfxpayload=keep
insmod gzio
insmod part_gpt
insmod btrfs
set root='hd0,gpt2'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt2 --hint-efi=hd0,gpt2 --hint-baremetal=ahci0,gpt2 81410cb0-62ba-408b-a5b2-a8a6354fb090
else
search --no-floppy --fs-uuid --set=root 81410cb0-62ba-408b-a5b2-a8a6354fb090
fi
echo 'Loading Linux core repo kernel ...'
linux /__active/boot/vmlinuz-linux root=UUID=81410cb0-62ba-408b-a5b2-a8a6354fb090 rw rootflags=subvol=__active quiet
echo 'Loading initial ramdisk ...'
initrd /__active/boot/initramfs-linux-fallback.img
}
### 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 ###
### BEGIN /etc/grub.d/60_memtest86+ ###
### END /etc/grub.d/60_memtest86+ ###
#
# /etc/fstab: static file system information
#
# <file system> <dir> <type> <options> <dump> <pass>
tmpfs /tmp tmpfs nodev,nosuid,size=2G 0 0
UUID=81410cb0-62ba-408b-a5b2-a8a6354fb090 / btrfs defaults,noatime,subvol=__active 0 0
shm /dev/shm tmpfs nodev,nosuid 0 0
fstab points to uuid of __active=sda2, and normal.mod is present. I have tried to reinstall grub in and grub-config on both machines, no change.
Last edited by kodiak (2013-10-16 09:27:07)
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grub rescue> set
prefix=(hd0,gpt2)/__active/boot/grub
grub rescue> ls
(hd0) (hd0,gpt2) (hd0,gpt1) (cd)
grub rescue> ls /
dev/ run/ boot/ lib sbin srv/ media/ usr/ opt/ bin home/ etc/ var/ tmp/ sys/ mnt/ proc/ root/
grub rescue> ls /boot
vmlinuz-linux grub/ inittramfs-linux.img initramfs-linuxfallback.img
when I set prefix to just /boot/grub I am able to insmod normal.mod, linux.mod etc. So is the entry in grub.cfg just incorrect? Maybe somebody can tell me how it would look like on a btrfs filesystem?
I have been following the guide on https://wiki.archlinux.org/index.php/In … Btrfs_root. Installation on thinkpad worked for over a year!! Suddenly broken?
Installing grub in chroot does not show any problems. I have tried to remove mkinitcpio-btrfs (pacman -R, removing the hook from the config, rebuild the image), without success. And reinstalling the hook did not change anything
Last edited by kodiak (2013-10-16 08:21:08)
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Not an Installation issue, moving to Kernel and Hardware...
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got it working - I am very very happy!
What I did: in rescue mode, set prefix to (hd0,gpt2)/boot/grub, then insmod linux,normal, then did normal, and had grub menu back. Here I had again to alter the path for the kernel, edit and drop __active from the path, and voila - it booted the normal way. Once up, I ran mkinitcpio, and reinstalled grub and grub.cfg. Again rebooting, and all fine now
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