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I have LVM (vg-root, vg-data, vg-swap) on LUKS on RAID5 (mdadm).
After the grub boot menu, I'm getting:
Loading Linux linux-lts ...
error: invalid magic number.
Loading initial ramdisk ...
error: you need to load the kernel first.I copied /boot to a USB drive and edited the menu entry from:
setparams 'Arch Linux'
load_video
set gfxpayload=keep
insmod gzio
echo 'Loading Linux linux-lts ...'
linux /boot/vmlinuz-linux-lts root=/dev/mapper/vg-root rw cryptdevice=UUID=226f5978-ccac-42bd-9c81-629dcd1d8c39:md cryptkey=rootfs:/etc/keys/luks-md0.key drm_kms_helper.edid_firmware=edid/dynex-edid.bin iommu=soft
echo 'Loading initial ramdisk ...'
initrd /boot/initramfs-linux-lts.imgto
setparams 'Arch Linux'
load_video
set gfxpayload=keep
insmod gzio
set root=(hd0,msdos1)
echo 'Loading Linux linux-lts ...'
linux /boot/vmlinuz-linux-lts root=/dev/mapper/vg-root rw cryptdevice=UUID=226f5978-ccac-42bd-9c81-629dcd1d8c39:md cryptkey=rootfs:/etc/keys/luks-md0.key drm_kms_helper.edid_firmware=edid/dynex-edid.bin iommu=soft
echo 'Loading initial ramdisk ...'
initrd /boot/initramfs-linux-lts.imgwhich sets me to use the copy on the USB drive. It works.
I figured that grub was finding the filesystem OK since it was getting grub.cfg for the menu, but I still went and tried "insmod"ing several modules including many gcry-* modules. Nothing worked.
fsck shows a clean root filesystem.
Has anyone a suggestion?
TIA
My grub config file is:
/boot/grub/grub.cfg
#
# 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$feature_all_video_module = xy ]; then
insmod all_video
else
insmod efi_gop
insmod efi_uga
insmod ieee1275_fb
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
fi
}
if loadfont unicode ; then
set gfxmode=auto
load_video
insmod gfxterm
set locale_dir=$prefix/locale
set lang=en_CA
insmod gettext
fi
terminal_input console
terminal_output gfxterm
if [ x$feature_timeout_style = xy ] ; then
set timeout_style=menu
set timeout=5
# Fallback normal timeout code in case the timeout_style feature is
# unavailable.
else
set timeout=5
fi
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/10_linux ###
menuentry 'Arch Linux' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-/dev/mapper/vg-root' {
load_video
set gfxpayload=keep
insmod gzio
echo 'Loading Linux linux-lts ...'
linux /boot/vmlinuz-linux-lts root=/dev/mapper/vg-root rw cryptdevice=UUID=226f5978-ccac-42bd-9c81-629dcd1d8c39:md cryptkey=rootfs:/etc/keys/luks-md0.key drm_kms_helper.edid_firmware=edid/dynex-edid.bin iommu=soft
echo 'Loading initial ramdisk ...'
initrd /boot/initramfs-linux-lts.img
}
submenu 'Advanced options for Arch Linux' $menuentry_id_option 'gnulinux-advanced-/dev/mapper/vg-root' {
menuentry 'Arch Linux, with Linux linux-lts' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-linux-lts-advanced-/dev/mapper/vg-root' {
load_video
set gfxpayload=keep
insmod gzio
echo 'Loading Linux linux-lts ...'
linux /boot/vmlinuz-linux-lts root=/dev/mapper/vg-root rw cryptdevice=UUID=226f5978-ccac-42bd-9c81-629dcd1d8c39:md cryptkey=rootfs:/etc/keys/luks-md0.key drm_kms_helper.edid_firmware=edid/dynex-edid.bin iommu=soft
echo 'Loading initial ramdisk ...'
initrd /boot/initramfs-linux-lts.img
}
menuentry 'Arch Linux, with Linux linux-lts (fallback initramfs)' --class arch --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-linux-lts-fallback-/dev/mapper/vg-root' {
load_video
set gfxpayload=keep
insmod gzio
echo 'Loading Linux linux-lts ...'
linux /boot/vmlinuz-linux-lts root=/dev/mapper/vg-root rw cryptdevice=UUID=226f5978-ccac-42bd-9c81-629dcd1d8c39:md cryptkey=rootfs:/etc/keys/luks-md0.key drm_kms_helper.edid_firmware=edid/dynex-edid.bin iommu=soft
echo 'Loading initial ramdisk ...'
initrd /boot/initramfs-linux-lts-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 $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###/etc/default/grub:
grep -v -E '^#|^$' /etc/default/grub
GRUB_DEFAULT=0
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR="Arch"
GRUB_CMDLINE_LINUX_DEFAULT=""
GRUB_CMDLINE_LINUX="cryptdevice=UUID=226f5978-ccac-42bd-9c81-629dcd1d8c39:md cryptkey=rootfs:/etc/keys/luks-md0.key drm_kms_helper.edid_firmware=edid/dynex-edid.bin iommu=soft"
GRUB_PRELOAD_MODULES="part_gpt part_msdos"
GRUB_ENABLE_CRYPTODISK=y
GRUB_TERMINAL_INPUT=console
GRUB_GFXPAYLOAD_LINUX=keep
GRUB_DISABLE_RECOVERY=true
GRUB_THEME="/boot/grub/themes/breeze"Offline
Look in this thread: Update problem: invalid magic number. Something may not have updated correctly. Using a liveusb and chroot into your system to update might fix this.
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I saw that thread. I looks that the system somehow corrected itself -- not a lot of helpful info there. I am able to boot using the copy of the kernel and initramfs on the USB drive.
After each pacman upgrade where the kernel and/or initramfs is updated, I need to copy the files to the USB (mounted temporarily on /mnt/1):
cp /boot/vmlinuz-linux-lts /boot/initramfs-linux-lts.img /mnt/1/boot/
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I've removed and reinstalled grub and breeze-grub.
There exists "grub-file", which I don't know if it uses the same routines as the grub loader, but testing the kernel with it provided the following info:
for x in i386-xen-pae-domu x86_64-xen-domu x86-xen-dom0 x86-multiboot x86-multiboot2 arm-linux arm64-linux ia64-linux mips-linux mipsel-linux sparc64-linux powerpc-linux x86-linux x86-linux32 x86-kfreebsd i386-kfreebsd x86_64-kfreebsd x86-knetbsd i386-knetbsd x86_64-knetbsd i386-efi x86_64-efi ia64-efi arm64-efi arm-efi hibernated-hiberfil x86_64-xnu i386-xnu xnu-hibr x86-bios-bootsector;do grub-file "--is-$x" /boot/vmlinuz-linux-lts && echo "yes $x"|| echo "no $x";done
no i386-xen-pae-domu
yes x86_64-xen-domu
yes x86-xen-dom0
no x86-multiboot
no x86-multiboot2
no arm-linux
no arm64-linux
no ia64-linux
no mips-linux
no mipsel-linux
no sparc64-linux
no powerpc-linux
yes x86-linux
yes x86-linux32
no x86-kfreebsd
no i386-kfreebsd
no x86_64-kfreebsd
Segmentation fault (core dumped)
no x86-knetbsd
Segmentation fault (core dumped)
no i386-knetbsd
Segmentation fault (core dumped)
no x86_64-knetbsd
no i386-efi
yes x86_64-efi
no ia64-efi
no arm64-efi
no arm-efi
no hibernated-hiberfil
no x86_64-xnu
no i386-xnu
no xnu-hibr
no x86-bios-bootsectorThis seems a loose test, but at least it says the kernel is a x86_64-efi kernel.
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This problem quietly disappeared and now has reappeared after an upgrade. This is a workaround that works for some reason.
copy vmlinux-linux-lts to some other directory. I was initially using a USB flash drive, but now I just create a subdirectory in /boot like /boot/5.10.29.
In grub, hit 'e' to edit the menu entry. Change the linux line from
linux /boot/vmlinux-linux-lts ...
to
linux /boot/5.10.29/vmlinux-linux-lts ...
.
This works.
Change /boot/grub/grub.cfg to fix things until the next grub-mkconfig.
Both files are identical with the same permissions.
Maybe someone more knowledgeable can explain why this hack is required and why it works.
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