Bonne nouvelle encore : j'ai pu reboot sur ma partition en 16.04 et y faire le boot-info 🙂
voici le resultat :
boot-info-4ppa125 [20201020_1718]
============================== Boot Info Summary ===============================
=> Grub2 (v2.00) is installed in the MBR of /dev/sda and looks at sector 1 of
the same hard drive for core.img. core.img is at this location and looks
for (,msdos5)/boot/grub. It also embeds following components:
modules
---------------------------------------------------------------------------
fshelp ext2 part_msdos biosdisk
---------------------------------------------------------------------------
sda1: __________________________________________________________________________
File system: ntfs
Boot sector type: Windows 7/2008: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files: /bootmgr /Boot/BCD
sda2: __________________________________________________________________________
File system: ntfs
Boot sector type: Windows 7/2008: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System: Windows 7
Boot files: /bootmgr /Boot/BCD /Windows/System32/winload.exe
sda3: __________________________________________________________________________
File system: Extended Partition
Boot sector type: -
Boot sector info:
sda5: __________________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Ubuntu 20.04.1 LTS
Boot files: /boot/grub/grub.cfg /etc/fstab /etc/default/grub
/boot/grub/i386-pc/core.img
sda4: __________________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Ubuntu 16.04.6 LTS
Boot files: /boot/grub/grub.cfg /etc/fstab /etc/default/grub
/boot/grub/i386-pc/core.img
================================ 4 OS detected =================================
OS#1: L'OS actuellement utilisé - Ubuntu 16.04.6 LTS CurrentSession on sda4
OS#2: Windows 7 (loader) (boot) on sda1
OS#3: Windows 7 (loader) on sda2
OS#4: Ubuntu 20.04.1 LTS on sda5
============================ Architecture/Host Info ============================
CPU architecture: 64-bit
BOOT_IMAGE of the installed session in use:
/boot/vmlinuz-4.15.0-76-generic root=UUID=d4af8b02-b68c-4127-a189-f82977775f64 ro quiet splash
===================================== UEFI =====================================
This installed-session is not in EFI-mode.
============================= Drive/Partition Info =============================
Disks info: ____________________________________________________________________
sda : notGPT, no-BIOSboot, has-noESP, not-usb, not-mmc, has-os, 2048 sectors * 512 bytes
Partitions info (1/3): _________________________________________________________
sda4 : is-os, 64, apt-get, grub-pc , grub2, grub-install, grubenv-ok, update-grub, farbios
sda1 : is-os, 32, nopakmgr, no-docgrub, nogrub, nogrubinstall, no-grubenv, noupdategrub, not-far
sda2 : is-os, 32, nopakmgr, no-docgrub, nogrub, nogrubinstall, no-grubenv, noupdategrub, farbios
sda5 : is-os, 64, apt-get, signed grub-pc grub-efi , grub2, grub-install, grubenv-ok, update-grub, farbios
Partitions info (2/3): _________________________________________________________
sda4 : isnotESP, fstab-without-efi, no-nt, no-winload, no-recov-nor-hid, no-bmgr, notwinboot
sda1 : isnotESP, part-has-no-fstab, no-nt, no-winload, no-recov-nor-hid, bootmgr, is-winboot
sda2 : isnotESP, part-has-no-fstab, no-nt, haswinload, no-recov-nor-hid, bootmgr, is-winboot
sda5 : isnotESP, fstab-without-efi, no-nt, no-winload, no-recov-nor-hid, no-bmgr, notwinboot
Partitions info (3/3): _________________________________________________________
sda4 : not-sepboot, with-boot, fstab-without-boot, not-sep-usr, with--usr, fstab-without-usr, std-grub.d, sda
sda1 : not-sepboot, no-boot, part-has-no-fstab, not-sep-usr, no---usr, part-has-no-fstab, std-grub.d, sda
sda2 : not-sepboot, no-boot, part-has-no-fstab, not-sep-usr, no---usr, part-has-no-fstab, std-grub.d, sda
sda5 : not-sepboot, with-boot, fstab-without-boot, not-sep-usr, with--usr, fstab-without-usr, customized, sda
fdisk -l (filtered): ___________________________________________________________
Disk sda: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors
Disk identifier: 0x4bad045c
Boot Start End Sectors Size Id Type
sda1 * 2048 206847 204800 100M 7 HPFS/NTFS/exFAT
sda2 206848 1643401215 1643194368 783.5G 7 HPFS/NTFS/exFAT
sda3 1643401216 1854828543 211427328 100.8G 5 Extended
sda4 1854828544 1936748543 81920000 39.1G 83 Linux
sda5 1643403264 1854828543 211425280 100.8G 83 Linux
Partition table entries are not in disk order.
parted -lm (filtered): _________________________________________________________
sda:1000GB:scsi:512:512:msdos:ATA Samsung SSD 860:;
1:1049kB:106MB:105MB:ntfs::boot;
2:106MB:841GB:841GB:ntfs::;
3:841GB:950GB:108GB:::;
5:841GB:950GB:108GB:ext4::;
4:950GB:992GB:41.9GB:ext4::;
blkid (filtered): ______________________________________________________________
NAME FSTYPE UUID PARTUUID LABEL PARTLABEL
sda
├─sda4 ext4 d4af8b02-b68c-4127-a189-f82977775f64 4bad045c-04
├─sda2 ntfs A4C667F8C667C95E 4bad045c-02
├─sda5 ext4 3a99e146-f457-46a6-8726-e075a86b9b9a 4bad045c-05
├─sda3 4bad045c-03
└─sda1 ntfs 4084667D846674F6 4bad045c-01 Réservé au système
df (filtered): _________________________________________________________________
Avail Use% Mounted on
sda1 75.7M 24% /mnt/boot-sav/sda1
sda2 428.5G 45% /mnt/boot-sav/sda2
sda4 5.2G 81% /
sda5 81.2G 13% /mnt/boot-sav/sda5
Mount options: __________________________________________________________________
sda1 rw,relatime,user_id=0,group_id=0,allow_other,blksize=4096
sda2 rw,relatime,user_id=0,group_id=0,allow_other,blksize=4096
sda4 rw,relatime,errors=remount-ro,data=ordered
sda5 rw,relatime,data=ordered
====================== sda5/boot/grub/grub.cfg (filtered) ======================
Ubuntu 3a99e146-f457-46a6-8726-e075a86b9b9a
Ubuntu, avec Linux 5.4.0-47-generic 3a99e146-f457-46a6-8726-e075a86b9b9a
Ubuntu, avec Linux 5.4.0-26-generic 3a99e146-f457-46a6-8726-e075a86b9b9a
Windows 7 (sur sda1) 4084667D846674F6
Windows 7 (sur sda2) A4C667F8C667C95E
Ubuntu 16.04.6 LTS (16.04) (sur sda4) d4af8b02-b68c-4127-a189-f82977775f64
Ubuntu (sur sda4) d4af8b02-b68c-4127-a189-f82977775f64
Ubuntu, avec Linux 4.15.0-76-generic (sur sda4) d4af8b02-b68c-4127-a189-f82977775f64
Ubuntu, avec Linux 4.15.0-74-generic (sur sda4) d4af8b02-b68c-4127-a189-f82977775f64
### END /etc/grub.d/30_os-prober ###
### END /etc/grub.d/30_uefi-firmware ###
========================== sda5/etc/fstab (filtered) ===========================
rien a voir ici !
======================= sda5/etc/default/grub (filtered) =======================
GRUB_DEFAULT="0"
GRUB_TIMEOUT_STYLE="hidden"
GRUB_TIMEOUT="0"
GRUB_DISTRIBUTOR="`lsb_release -i -s 2> /dev/null || echo Debian`"
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LINUX=""
==================== sda5: Location of files loaded by Grub ====================
GiB - GB File Fragment(s)
867.773624420 = 931.764834304 boot/grub/grub.cfg 3
867.944965363 = 931.948810240 boot/grub/i386-pc/core.img 1
788.482555389 = 846.626697216 boot/vmlinuz 1
787.162235260 = 845.209014272 boot/vmlinuz-5.4.0-47-generic 1
788.482555389 = 846.626697216 boot/vmlinuz-5.4.0-48-generic 1
787.162235260 = 845.209014272 boot/vmlinuz.old 1
792.362300873 = 850.792542208 boot/initrd.img 5
787.962543488 = 846.068338688 boot/initrd.img-5.4.0-47-generic 2
792.362300873 = 850.792542208 boot/initrd.img-5.4.0-48-generic 5
787.962543488 = 846.068338688 boot/initrd.img.old 2
===================== sda5: ls -l /etc/grub.d/ (filtered) ======================
-rwxr-xr-x 1 root root 702 sept. 20 20:36 10_linux_proxy
-rwxr-xr-x 1 root root 175 sept. 20 20:36 40_custom_proxy
-rwxr-xr-x 1 root root 702 sept. 20 20:36 41_linux_proxy
-rwxr-xr-x 1 root root 175 sept. 20 20:36 42_custom_proxy
-rwxr-xr-x 1 root root 1281 sept. 20 20:36 45_os-prober_proxy
-rwxr-xr-x 1 root root 702 sept. 20 20:36 46_linux_proxy
-rwxr-xr-x 1 root root 702 sept. 20 20:36 47_linux_proxy
-rwxr-xr-x 1 root root 42359 sept. 8 12:24 48_linux_zfs
-rwxr-xr-x 1 root root 12894 avril 15 2020 49_linux_xen
-rwxr-xr-x 1 root root 1285 sept. 20 20:36 50_os-prober_proxy
-rwxr-xr-x 1 root root 1424 avril 15 2020 51_uefi-firmware
-rwxr-xr-x 1 root root 223 sept. 20 20:36 52_custom_proxy
-rwxr-xr-x 1 root root 216 avril 15 2020 53_custom
drwxr-xr-x 4 root root 4096 sept. 20 20:36 backup
drwxr-xr-x 2 root root 4096 sept. 20 20:36 bin
drwxr-xr-x 2 root root 4096 sept. 20 20:36 proxifiedScripts
======================= sda5/etc/grub.d/40_custom_proxy ========================
#!/bin/sh
#THIS IS A GRUB PROXY SCRIPT
'/etc/grub.d/proxifiedScripts/custom' | /etc/grub.d/bin/grubcfg_proxy "-*
-'Ubuntu 20.04 LTS'~5e732a1878be2342dbfeff5fe3ca5aa3~
-#text
"
======================== sda5/etc/grub.d/41_linux_proxy ========================
#!/bin/sh
#THIS IS A GRUB PROXY SCRIPT
'/etc/grub.d/proxifiedScripts/linux' | /etc/grub.d/bin/grubcfg_proxy "-'SUBMENU' as 'Options avancées pour Ubuntu'{-'Options avancées pour Ubuntu'/*, -'Options avancées pour Ubuntu'/'Ubuntu, avec Linux 5.4.0-47-generic'~163285687faa8b1fc63b966b273945f4~, -'Options avancées pour Ubuntu'/'Ubuntu, avec Linux 5.4.0-47-generic (recovery mode)'~e7a9395faaedbb6e302862f04b3f6d27~, -'Options avancées pour Ubuntu'/'Ubuntu, avec Linux 5.4.0-26-generic'~bf58d4de97a0462833fa5bf088e16d95~, -'Options avancées pour Ubuntu'/'Ubuntu, avec Linux 5.4.0-26-generic (recovery mode)'~ef335c88377d28691a7056dec357891a~}
-*
-#text
-'Ubuntu'~2dbcfd07f1d3fc42609ed34106242d80~
"
======================= sda5/etc/grub.d/42_custom_proxy ========================
#!/bin/sh
#THIS IS A GRUB PROXY SCRIPT
'/etc/grub.d/proxifiedScripts/custom' | /etc/grub.d/bin/grubcfg_proxy "-#text
+*
+'Ubuntu 20.04 LTS'~5e732a1878be2342dbfeff5fe3ca5aa3~
"
====================== sda5/etc/grub.d/45_os-prober_proxy ======================
#!/bin/sh
#THIS IS A GRUB PROXY SCRIPT
'/etc/grub.d/proxifiedScripts/os-prober' | /etc/grub.d/bin/grubcfg_proxy "+'Windows 7 (sur /dev/sda2)'~7f261b655eb49bd18834f7ddb1b055f0~
+'Ubuntu 16.04.6 LTS (16.04) (sur /dev/sda4)'~9b55e0102ce834da50eb4af16b26e053~
-*
-#text
-'Windows 7 (sur /dev/sda1)'~277e3733d6c745e82b12dfd2f414233b~
-'SUBMENU' as 'Options avancées pour Ubuntu 16.04.6 LTS (16.04) (sur /dev/sda4)'{-'Options avancées pour Ubuntu 16.04.6 LTS (16.04) (sur /dev/sda4)'/*, -'Options avancées pour Ubuntu 16.04.6 LTS (16.04) (sur /dev/sda4)'/'Ubuntu (sur /dev/sda4)'~21efdfd58be5ae083609c81dffed73d3~, -'Options avancées pour Ubuntu 16.04.6 LTS (16.04) (sur /dev/sda4)'/'Ubuntu, avec Linux 4.15.0-76-generic (sur /dev/sda4)'~21efdfd58be5ae083609c81dffed73d3~, -'Options avancées pour Ubuntu 16.04.6 LTS (16.04) (sur /dev/sda4)'/'Ubuntu, with Linux 4.15.0-76-generic (recovery mode) (sur /dev/sda4)'~6d51d0bec50e7439c5fbf65fe20ab6dd~, -'Options avancées pour Ubuntu 16.04.6 LTS (16.04) (sur /dev/sda4)'/'Ubuntu, avec Linux 4.15.0-74-generic (sur /dev/sda4)'~8bb3ada67d106299b2c76613815474d6~, -'Options avancées pour Ubuntu 16.04.6 LTS (16.04) (sur /dev/sda4)'/'Ubuntu, with Linux 4.15.0-74-generic (recovery mode) (sur /dev/sda4)'~80cda67e2181259243dbb9cae3323b31~}
"
======================== sda5/etc/grub.d/46_linux_proxy ========================
#!/bin/sh
#THIS IS A GRUB PROXY SCRIPT
'/etc/grub.d/proxifiedScripts/linux' | /etc/grub.d/bin/grubcfg_proxy "-*
-#text
-'Ubuntu'~2dbcfd07f1d3fc42609ed34106242d80~
+'SUBMENU' as 'Options avancées pour Ubuntu'{+'Options avancées pour Ubuntu'/*, +'Options avancées pour Ubuntu'/'Ubuntu, avec Linux 5.4.0-47-generic'~163285687faa8b1fc63b966b273945f4~, +'Options avancées pour Ubuntu'/'Ubuntu, avec Linux 5.4.0-47-generic (recovery mode)'~e7a9395faaedbb6e302862f04b3f6d27~, +'Options avancées pour Ubuntu'/'Ubuntu, avec Linux 5.4.0-26-generic'~bf58d4de97a0462833fa5bf088e16d95~, +'Options avancées pour Ubuntu'/'Ubuntu, avec Linux 5.4.0-26-generic (recovery mode)'~ef335c88377d28691a7056dec357891a~}
"
======================== sda5/etc/grub.d/47_linux_proxy ========================
#!/bin/sh
#THIS IS A GRUB PROXY SCRIPT
'/etc/grub.d/proxifiedScripts/linux' | /etc/grub.d/bin/grubcfg_proxy "-*
-#text
-'Ubuntu'~2dbcfd07f1d3fc42609ed34106242d80~
-'SUBMENU' as 'Options avancées pour Ubuntu'{-'Options avancées pour Ubuntu'/*, -'Options avancées pour Ubuntu'/'Ubuntu, avec Linux 5.4.0-47-generic'~163285687faa8b1fc63b966b273945f4~, -'Options avancées pour Ubuntu'/'Ubuntu, avec Linux 5.4.0-47-generic (recovery mode)'~e7a9395faaedbb6e302862f04b3f6d27~, -'Options avancées pour Ubuntu'/'Ubuntu, avec Linux 5.4.0-26-generic'~bf58d4de97a0462833fa5bf088e16d95~, -'Options avancées pour Ubuntu'/'Ubuntu, avec Linux 5.4.0-26-generic (recovery mode)'~ef335c88377d28691a7056dec357891a~}
"
========================= sda5/etc/grub.d/48_linux_zfs =========================
#! /bin/sh
set -e
# grub-mkconfig helper script.
# Copyright (C) 2019 Canonical Ltd.
#
# GRUB is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# GRUB is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GRUB. If not, see <http://www.gnu.org/licenses/>.
prefix="/usr"
datarootdir="/usr/share"
ubuntu_recovery="1"
quiet_boot="1"
quick_boot="1"
gfxpayload_dynamic="1"
vt_handoff="1"
. "${pkgdatadir}/grub-mkconfig_lib"
export TEXTDOMAIN=grub
export TEXTDOMAINDIR="${datarootdir}/locale"
set -u
## Skip early if zfs utils isn't installed (instead of failing on first zpool list)
if ! `which zfs >/dev/null 2>&1`; then
exit 0
fi
imported_pools=""
MNTDIR="$(mktemp -d ${TMPDIR:-/tmp}/zfsmnt.XXXXXX)"
ZFSTMP="$(mktemp -d ${TMPDIR:-/tmp}/zfstmp.XXXXXX)"
machine="$(uname -m)"
case "${machine}" in
i?86) GENKERNEL_ARCH="x86" ;;
mips|mips64) GENKERNEL_ARCH="mips" ;;
mipsel|mips64el) GENKERNEL_ARCH="mipsel" ;;
arm*) GENKERNEL_ARCH="arm" ;;
*) GENKERNEL_ARCH="${machine}" ;;
esac
RC=0
on_exit() {
# Restore initial zpool import state
for pool in ${imported_pools}; do
zpool export "${pool}"
done
mountpoint -q "${MNTDIR}" && umount "${MNTDIR}" || true
rmdir "${MNTDIR}"
rm -rf "${ZFSTMP}"
exit "${RC}"
}
trap on_exit EXIT INT QUIT ABRT PIPE TERM
# List ONLINE and DEGRADED pools
import_pools() {
# We have to ignore zpool import output, as potentially multiple / will be available,
# and we need to autodetect all zpools this way with their real mountpoints.
local initial_pools="$(zpool list | awk '{if (NR>1) print $1}')"
local all_pools=""
local imported_pools=""
local err=""
set +e
err="$(zpool import -f -a -o cachefile=none -o readonly=on -N 2>&1)"
# Only print stderr if the command returned an error
# (it can echo "No zpool to import" with success, which we don't want)
if [ $? -ne 0 ]; then
echo "Some pools couldn't be imported and will be ignored:\n${err}" >&2
fi
set -e
all_pools="$(zpool list | awk '{if (NR>1) print $1}')"
for pool in ${all_pools}; do
if echo "${initial_pools}" | grep -wq "${pool}"; then
continue
fi
imported_pools="${imported_pools} ${pool}"
done
echo "${imported_pools}"
}
# List all the dataset with a root mountpoint
get_root_datasets() {
local pools="$(zpool list | awk '{if (NR>1) print $1}')"
for p in ${pools}; do
local rel_pool_root=$(zpool get -H altroot ${p} | awk '{print $3}')
if [ "${rel_pool_root}" = "-" ]; then
rel_pool_root="/"
fi
zfs list -H -o name,canmount,mountpoint -t filesystem | grep -E '^'"${p}"'(\s|/[[:print:]]*\s)(on|noauto)\s'"${rel_pool_root}"'$' | awk '{print $1}'
done
}
# find if given datasets can be mounted for directory and return its path (snapshot or real path)
# $1 is our current dataset name
# $2 directory path we look for (cannot contains /)
# $3 is the temporary mount directory to use
# $4 is the optional snapshot name
# return path for directory (which can be a mountpoint)
validate_system_dataset() {
local dataset="$1"
local directory="$2"
local mntdir="$3"
local snapshot_name="$4"
local mount_path="${mntdir}/${directory}"
if ! zfs list "${dataset}" >/dev/null 2>&1; then
return
fi
if ! mount -o noatime,zfsutil -t zfs "${dataset}" "${mount_path}"; then
grub_warn "Failed to find a valid directory '${directory}' for dataset '${dataset}@${snapshot_name}'. Ignoring"
return
fi
local candidate_path="${mount_path}"
if [ -n "${snapshot_name}" ]; then
# WORKAROUND a bug https://github.com/zfsonlinux/zfs/issues/9958
# Reading the content of a snapshot fails if it is not the first mount
# for a given dataset
first_mntdir=$(awk '{if ($1 == "'${dataset}'") {print $2; exit;}}' /proc/mounts)
if [ "${first_mntdir}" = "/" ]; then
# prevents // on candidate_path
first_mntdir=""
fi
candidate_path="${first_mntdir}/.zfs/snapshot/${snapshot_name}"
fi
if [ -n "$(ls ${candidate_path} 2>/dev/null)" ]; then
echo "${candidate_path}"
return
else
mountpoint -q "${mount_path}" && umount "${mount_path}" || true
fi
}
# Detect system directory relevant to the other, trying to find the ones associated on the current dataset or snapshot/
# System directory should be at most a direct child dataset of main datasets (no recursivity)
# We can fallback trying other zfs pools if no match has been found.
# $1 is our current dataset name (which can have @snapshot name)
# $2 directory path we look for (cannot contains /)
# $3 restrict_to_same_pool (true|false) force looking for dataset with the same basename in the current dataset pool only
# $4 is the temporary mount directory to use
# $5 is the optional etc directory (if not $2 is not etc itself)
# return path for directory (which can be a mountpoint)
get_system_directory() {
local dataset_path="$1"
local directory="$2"
local restrict_to_same_pool="$3"
local mntdir="$4"
local etc_dir="$5"
if [ -z "${etc_dir}" ]; then
etc_dir="${mntdir}/etc"
fi
local candidate_path="${mntdir}/${directory}"
# 1. Look for /etc/fstab first (which will mount even on top of non empty $directory)
local mounted_fstab_entry="false"
if [ -f "${etc_dir}/fstab" ]; then
mount_args=$(awk '/^[^#].*[ \t]\/'"${directory}"'[ \t]/ {print "-t", $3, $1}' "${etc_dir}/fstab")
if [ -n "${mount_args}" ]; then
mounted_fstab_entry="true"
mount -o noatime ${mount_args} "${candidate_path}" || mounted_fstab_entry="false"
fi
fi
# If directory isn't empty. Only count if coming from /etc/fstab. Will be
# handled below otherwise as we are interested in potential snapshots.
if [ "${mounted_fstab_entry}" = "true" -a -n "$(ls ${candidate_path} 2>/dev/null)" ]; then
echo "${candidate_path}"
return
fi
# 2. Handle zfs case, which can be a snapshots.
local base_dataset_path="${dataset_path}"
local snapshot_name=""
# For snapshots we extract the parent dataset
if echo "${dataset_path}" | grep -q '@'; then
base_dataset_path=$(echo "${dataset_path}" | cut -d '@' -f1)
snapshot_name=$(echo "${dataset_path}" | cut -d '@' -f2)
fi
base_dataset_name="${base_dataset_path##*/}"
base_pool="$(echo "${base_dataset_path}" | cut -d'/' -f1)"
# 2.a) Look for child dataset included in base dataset, which needs to hold same snapshot if any
candidate_path=$(validate_system_dataset "${base_dataset_path}/${directory}" "${directory}" "${mntdir}" "${snapshot_name}")
if [ -n "${candidate_path}" ]; then
echo "${candidate_path}"
return
fi
# 2.b) Look for current dataset (which is already mounted as /)
candidate_path="${mntdir}/${directory}"
if [ -n "${snapshot_name}" ]; then
# WORKAROUND a bug https://github.com/zfsonlinux/zfs/issues/9958
# Reading the content of a snapshot fails if it is not the first mount
# for a given dataset
first_mntdir=$(awk '{if ($1 == "'${base_dataset_path}'") {print $2; exit;}}' /proc/mounts)
if [ "${first_mntdir}" = "/" ]; then
# prevents // on candidate_path
first_mntdir=""
fi
candidate_path="${first_mntdir}/.zfs/snapshot/${snapshot_name}/${directory}"
fi
if [ -n "$(ls ${candidate_path} 2>/dev/null)" ]; then
echo "${candidate_path}"
return
fi
# 2.c) Look for every datasets in every pool which isn't the current dataset which holds:
# - the same dataset name (last section) than our base_dataset_name
# - mountpoint=directory
# - canmount!=off
all_same_base_dataset_name="$(zfs list -H -t filesystem -o name,canmount | awk '/^[^ ]+\/'"${base_dataset_name}"'[ \t](on|noauto)/ {print $1}') "
# order by local pool datasets first
current_pool_same_base_datasets=""
other_pools_same_base_datasets=""
root_pool=$(echo "${dataset_path%%/*}")
for d in ${all_same_base_dataset_name}; do
cur_dataset_pool=$(echo "${d%%/*}")
if echo "${cur_dataset_pool}" | grep -wq "${root_pool}" 2>/dev/null ; then
current_pool_same_base_datasets="${current_pool_same_base_datasets} ${d}"
else
other_pools_same_base_datasets="${other_pools_same_base_datasets} ${d}"
fi
done
ordered_same_base_datasets="${current_pool_same_base_datasets} ${other_pools_same_base_datasets}"
if [ "${restrict_to_same_pool}" = "true" ]; then
ordered_same_base_datasets="${current_pool_same_base_datasets}"
fi
# now, loop over them
for d in ${ordered_same_base_datasets}; do
cur_dataset_pool=$(echo "${d%%/*}")
rel_pool_root=$(zpool get -H altroot ${cur_dataset_pool} | awk '{print $3}')
if [ "${rel_pool_root}" = "-" ]; then
rel_pool_root=""
fi
# check mountpoint match
candidate_dataset=$(zfs get -H mountpoint ${d} | grep -E "mountpoint\s${rel_pool_root}/${directory}\s" | awk '{print $1}')
if [ -z "${candidate_dataset}" ]; then
continue
fi
candidate_path=$(validate_system_dataset "${candidate_dataset}" "${directory}" "${mntdir}" "${snapshot_name}")
if [ -n "${candidate_path}" ]; then
echo "${candidate_path}"
return
fi
done
# 2.d) If we didn't find anything yet: check for persistent datasets corresponding to our mountpoint, with canmount=on without any snapshot associated:
# Note: we go over previous datasets as well, but this is ok, as we didn't include them before.
all_mountable_datasets="$(zfs list -t filesystem -o name,canmount | awk '/^[^ ]+[ \t]+on/ {print $1}')"
# order by local pool datasets first
current_pool_datasets=""
other_pools_datasets=""
root_pool=$(echo "${dataset_path%%/*}")
for d in ${all_mountable_datasets}; do
cur_dataset_pool=$(echo "${d%%/*}")
if echo "${cur_dataset_pool}" | grep -wq "${root_pool}" 2>/dev/null ; then
current_pool_datasets="${current_pool_datasets} ${d}"
else
other_pools_datasets="${other_pools_datasets} ${d}"
fi
done
ordered_datasets="${current_pool_datasets} ${other_pools_datasets}"
if [ "${restrict_to_same_pool}" = "true" ]; then
ordered_datasets="${current_pool_datasets}"
fi
for d in ${ordered_datasets}; do
cur_dataset_pool=$(echo "${d%%/*}")
rel_pool_root=$(zpool get -H altroot ${cur_dataset_pool} | awk '{print $3}')
if [ "${rel_pool_root}" = "-" ]; then
rel_pool_root=""
fi
# check mountpoint match
candidate_dataset=$(zfs get -H mountpoint ${d} | grep -E "mountpoint\s${rel_pool_root}/${directory}\s" | awk '{print $1}')
if [ -z "${candidate_dataset}" ]; then
continue
fi
candidate_path=$(validate_system_dataset "${d}" "${directory}" "${mntdir}" "")
if [ -n "${candidate_path}" ]; then
echo "${candidate_path}"
return
fi
done
grub_warn "Failed to find a valid directory '${directory}' for dataset '${dataset_path}'. Ignoring"
return
}
# Try our default layout bpool as a prefered layout (fast path)
# This is get_system_directory for boot optimized for our default installation layout
# $1 is our current dataset name (which can have @snapshot name)
# $2 is the temporary mount directory to use
# return path for directory (which can be a mountpoint) if found
try_default_layout_bpool() {
local root_dataset_path="$1"
local mntdir="$2"
dataset_basename="${root_dataset_path##*/}"
candidate_dataset="bpool/BOOT/${dataset_basename}"
dataset_properties="$(zfs get -H mountpoint,canmount ${candidate_dataset} | cut -f3 | paste -sd ' ')"
if [ -z "${dataset_properties}" ]; then
return
fi
rel_pool_root=$(zpool get -H altroot bpool | awk '{print $3}')
if [ "${rel_pool_root}" = "-" ]; then
rel_pool_root=""
fi
snapshot_name="${dataset_basename##*@}"
[ "${snapshot_name}" = "${dataset_basename}" ] && snapshot_name=""
if [ -z "${snapshot_name}" ]; then
if ! echo "${dataset_properties}" | grep -Eq "${rel_pool_root}/boot (on|noauto)"; then
return
fi
else
candidate_dataset=$(echo "${candidate_dataset}" | cut -d '@' -f1)
fi
validate_system_dataset "${candidate_dataset}" "boot" "${mntdir}" "${snapshot_name}"
}
# Return if secure boot is enabled on that system
is_secure_boot_enabled() {
if LANG=C mokutil --sb-state 2>/dev/null | grep -qi enabled; then
echo "true"
return
fi
echo "false"
return
}
# Given a filesystem or snapshot dataset, returns dataset|machine id|pretty name|last used
# $1 is dataset we want information from
# $2 is the temporary mount directory to use
get_dataset_info() {
local dataset="$1"
local mntdir="$2"
local base_dataset="${dataset}"
local etc_dir="${mntdir}/etc"
local is_snapshot="false"
# For snapshot we extract the parent dataset
if echo "${dataset}" | grep -q '@'; then
base_dataset=$(echo "${dataset}" | cut -d '@' -f1)
is_snapshot="true"
fi
mount -o noatime,zfsutil -t zfs "${base_dataset}" "${mntdir}"
# read machine-id/os-release from /etc
etc_dir=$(get_system_directory "${dataset}" "etc" "true" "${mntdir}" "")
if [ -z "${etc_dir}" ]; then
grub_warn "Ignoring ${dataset}"
mountpoint -q "${mntdir}/etc" && umount "${mntdir}/etc" || true
umount "${mntdir}"
return
fi
machine_id=""
if [ -f "${etc_dir}/machine-id" ]; then
machine_id=$(cat "${etc_dir}/machine-id")
fi
# We have to use a random temporary id if we don't have any machine-id file or if this one is empty
# (mostly the case of new installations before first boot).
# Let's use the dataset name directly for this.
# Consequence is that all datasets are then separated.
if [ -z "${machine_id}" ]; then
machine_id="${dataset}"
fi
pretty_name=$(. "${etc_dir}/os-release" && echo "${PRETTY_NAME}")
mountpoint -q "${mntdir}/etc" && umount "${mntdir}/etc" || true
# read available kernels from /boot
boot_dir="$(try_default_layout_bpool "${dataset}" "${mntdir}")"
if [ -z "${boot_dir}" ]; then
boot_dir=$(get_system_directory "${dataset}" "boot" "false" "${mntdir}" "${etc_dir}")
fi
if [ -z "${boot_dir}" ]; then
grub_warn "Ignoring ${dataset}"
mountpoint -q "${mntdir}/boot" && umount "${mntdir}/boot" || true
umount "${mntdir}"
return
fi
initrd_list=""
kernel_list=""
list=$(find "${boot_dir}" -maxdepth 1 -type f -regex '.*/\(vmlinuz\|vmlinux\|kernel\)-.*')
while [ "x$list" != "x" ] ; do
linux=`version_find_latest $list`
list=`echo $list | tr ' ' '\n' | fgrep -vx "$linux" | tr '\n' ' '`
if ! grub_file_is_not_garbage "${linux}" ; then
continue
fi
# Filters entry if efi/non efi.
# Note that for now we allow kernel without .efi.signed as those are signed kernel
# on ubuntu, loaded by the shim.
case "${linux}" in
*.efi.signed)
if [ "$(is_secure_boot_enabled)" = "false" ]; then
continue
fi
;;
esac
linux_basename=$(basename "${linux}")
linux_dirname=$(dirname "${linux}")
version=$(echo "${linux_basename}" | sed -e "s,^[^0-9]*-,,g")
alt_version=$(echo "${version}" | sed -e "s,\.old$,,g")
gettext_printf "Found linux image: %s in %s\n" "${linux_basename}" "${dataset}" >&2
initrd=""
for i in "initrd.img-${version}" "initrd-${version}.img" "initrd-${version}.gz" \
"initrd-${version}" "initramfs-${version}.img" \
"initrd.img-${alt_version}" "initrd-${alt_version}.img" \
"initrd-${alt_version}" "initramfs-${alt_version}.img" \
"initramfs-genkernel-${version}" \
"initramfs-genkernel-${alt_version}" \
"initramfs-genkernel-${GENKERNEL_ARCH}-${version}" \
"initramfs-genkernel-${GENKERNEL_ARCH}-${alt_version}"; do
if test -e "${linux_dirname}/${i}" ; then
initrd="$i"
break
fi
done
if test -z "${initrd}" ; then
grub_warn "Couldn't find any valid initrd for dataset ${dataset}."
continue
fi
gettext_printf "Found initrd image: %s in %s\n" "${initrd}" "${dataset}" >&2
rel_linux_dirname=$(make_system_path_relative_to_its_root "${linux_dirname}")
initrd_list="${initrd_list}|${rel_linux_dirname}/${initrd}"
kernel_list="${kernel_list}|${rel_linux_dirname}/${linux_basename}"
done
initrd_list="${initrd_list#|}"
kernel_list="${kernel_list#|}"
initrd_device=$(${grub_probe} --target=device "${boot_dir}" | head -1)
mountpoint -q "${mntdir}/boot" && umount "${mntdir}/boot" || true
# We needed to look in / for snapshots on root dataset, umount there before zfs lazily unmount it
case "${boot_dir}" in /boot/.zfs/snapshot/*)
umount "${boot_dir}" || true
;;
esac
# for zsys snapshots: we want to know which kernel we successful last booted with
last_booted_kernel=$(zfs get -H com.ubuntu.zsys:last-booted-kernel "${dataset}" | awk '{print $3}')
# snapshot: last_used is dataset creation time
if [ "${is_snapshot}" = "true" ]; then
last_used="$(zfs get -pH creation "${dataset}" | awk -F '\t' '{print $3}')"
# otherwise, last_used is manually marked at boot/shutdown on a root dataset for zsys
else
# if current system, take current time
if zfs mount | awk '/[ \t]+\/$/ {print $1}' | grep -q ${dataset}; then
last_used=$(date +%s)
else
last_used=$(zfs get -H com.ubuntu.zsys:last-used "${dataset}" | awk '{print $3}')
# case of non zsys, or zsys without annotation, take /etc/machine-id stat (as we mounted with noatime).
# However, as systems can be relatime, if system is current mounted one, set current time (case of clone + reboot
# within the same d).
if [ "${last_used}" = "-" ]; then
last_used=$(stat --printf="%X" "${mntdir}/etc/os-release")
if [ -f "${mntdir}/etc/machine-id" ]; then
last_used=$(stat --printf="%X" "${mntdir}/etc/machine-id")
fi
fi
fi
fi
is_zsys=$(zfs get -H com.ubuntu.zsys:bootfs "${base_dataset}" | awk '{print $3}')
if [ -n "${initrd_list}" -a -n "${kernel_list}" ]; then
echo "${dataset}\t${is_zsys}\t${machine_id}\t${pretty_name}\t${last_used}\t${initrd_device}\t${initrd_list}\t${kernel_list}\t${last_booted_kernel}"
else
grub_warn "didn't find any valid initrd or kernel."
fi
umount "${mntdir}" || true
# We needed to look in / for snapshots on root dataset, umount the snapshot for etc before zfs lazily unmount it
case "${etc_dir}" in /.zfs/snapshot/*/etc)
snapshot_path="$(findmnt -n -o TARGET -T ${etc_dir})"
umount "${snapshot_path}" || true
;;
esac
}
# Scan available boot options and returns in a formatted list
# $1 is the temporary mount directory to use
bootlist() {
local mntdir="$1"
local boot_list=""
for dataset in $(get_root_datasets); do
# get information from current root dataset
boot_list="${boot_list}$(get_dataset_info ${dataset} ${mntdir})\n"
# get information from snapshots of this root dataset
for snapshot_dataset in $(zfs list -H -o name -t snapshot "${dataset}"); do
boot_list="${boot_list}$(get_dataset_info ${snapshot_dataset} ${mntdir})\n"
done
done
echo "${boot_list}"
}
# Order machine ids by last_used from their main entry
get_machines_sorted() {
local bootlist="$1"
local machineids="$(echo "${bootlist}" | awk '{print $3}' | sort -u)"
for machineid in ${machineids}; do
echo "${bootlist}" | awk 'BEGIN{FS="\t"} $1 !~ /.*@.*/ {print $5, $3}' | sort -nr | grep -E "[^^]\b${machineid}\b" | head -1
done | sort -nr | awk '{print $2}'
}
# Sort entries by last_used for a given machineid
sort_entries_for_machineid() {
local bootlist="$1"
local machineid="$2"
tab="$(printf '\t')"
echo "${bootlist}" | grep -E "[^^]\b${machineid}\b" | sort -k5,5r -k1,1 -t "${tab}"
}
# Return main entry index
get_main_entry() {
local entries="$1"
echo "${entries}" | awk 'BEGIN{FS="\t"} $1 !~ /.*@.*/ {print}' | head -1
}
# Return specific field at index from entry
get_field_from_entry() {
local entry="$1"
local index="$2"
echo "${entry}" | awk "BEGIN{FS=\"\t\"} {print \$$index}"
}
# Get the main entry metadata
main_entry_meta() {
local main_entry="$1"
initrd=$(get_field_from_entry "${main_entry}" 7 | cut -d'|' -f1)
kernel=$(get_field_from_entry "${main_entry}" 8 | cut -d'|' -f1)
# Take first element (most recent entry) which is not a snapshot
echo "${main_entry}" | awk "BEGIN{ FS=\"\t\"; OFS=\"\t\"} {print \$3, \$2, \"main\", \$4, \$1, \$6, \"$initrd\", \"$kernel\"}"
}
# Get advanced entries metadata
advanced_entries_meta() {
local main_entry="$1"
last_used_kernel="$(get_field_from_entry "${main_entry}" 9 )"
# We must align initrds with kernels.
# Adds initrds to the stack then pop them 1 by 1 as we process the kernels
set -- $(get_field_from_entry "${main_entry}" 7 | tr "|" " ")
for kernel in $(get_field_from_entry "${main_entry}" 8 | tr "|" " "); do
# get initrd and pop to the next one
initrd="$1"; shift
was_last_used_kernel="false"
kernel_basename=$(basename "${kernel}")
if [ "${kernel_basename}" = "${last_used_kernel}" ]; then
was_last_used_kernel="true"
fi
echo "${main_entry}" | awk "BEGIN{ FS=\"\t\"; OFS=\"\t\"} {print \$3, \$2, \"advanced\", \$4, \$1, \$6, \"$initrd\", \"$kernel\", \"$was_last_used_kernel\"}"
done
}
# Get history metadata
history_entries_meta() {
local entries="$1"
local main_dataset_name="$2"
local main_dataset_releasename="$3"
if [ -z "${entries}" ]; then
return
fi
# Traverse snapshots and clones
echo "${entries}" | while read entry; do
name=""
# Compute snapshot/filesystem dataset name
snap_dataset_name="$(get_field_from_entry "${entry}" 1)"
snapname="${snap_dataset_name##*@}"
# If, this is a clone, take what is after main_dataset_name
if [ "${snapname}" = "${snap_dataset_name}" ]; then
snapname="${snap_dataset_name##${main_dataset_name}_}"
# Handle manual user clone (not prefixed by "main_dataset_name")
snapname="${snapname##*/}"
fi
# We keep the snapname only if it is not only a zsys auto snapshot
if echo "${snapname}" | grep -q "^autozsys_"; then
snapname=""
fi
# We store the release only if it different from main dataset release (snapshot before a release upgrade)
releasename=$(get_field_from_entry "${entry}" 4)
if [ "${releasename}" = "${main_dataset_releasename}" ]; then
releasename=""
fi
# Snapshot date
foo="$(get_field_from_entry "${entry}" 5)"
snapdate="$(date -d @$(get_field_from_entry "${entry}" 5) "+%x @ %H:%M")"
# For snapshots/clones the name can have the following formats:
# <DATE>: autozsys, same release
# <OLD_RELEASE> on <DATE>: autozsys, different release
# <SNAPNAME> on <DATE>: Manual snapshot, same release
# <SNAPNAME>, <OLD_RELEASE> on <DATE>: Manual snapshot, different release
if [ "${snapname}" = "" -a "${releasename}" = "" ]; then
name="${snapdate}"
elif [ "${snapname}" = "" -a "${releasename}" != "" ]; then
name=$(gettext_printf "%s on %s" "${releasename}" "${snapdate}")
elif [ "${snapname}" != "" -a "${releasename}" = "" ]; then
name=$(gettext_printf "%s on %s" "${snapname}" "${snapdate}")
else # snapname != "" && releasename != ""
name=$(gettext_printf "%s, %s on %s" "${snapname}" "${releasename}" "${snapdate}")
fi
# Choose kernel and initrd if the snapshot was booted successfully on a specific kernel before
# Take latest by default if no match
initrd=$(get_field_from_entry "${entry}" 7 | cut -d'|' -f1)
kernel=$(get_field_from_entry "${entry}" 8 | cut -d'|' -f1)
last_used_kernel="$(get_field_from_entry "${entry}" 9)"
# We must align initrds with kernels.
# Adds initrds to the stack then pop them 1 by 1 as we process the kernels
set -- $(get_field_from_entry "${entry}" 7 | tr "|" " ")
for k in $(get_field_from_entry "${entry}" 8|tr "|" " "); do
# get initrd and pop to the next one
candidate_initrd="$1"; shift
kernel_basename=$(basename "${k}")
if [ "${kernel_basename}" = "${last_used_kernel}" ]; then
kernel="${k}"
initrd="${candidate_initrd}"
break
fi
done
echo "${entry}" | awk "BEGIN{ FS=\"\t\"; OFS=\"\t\"} {print \$3, \$2, \"history\", \"$name\", \$1, \$6, \"$initrd\", \"$kernel\"}"
done
}
# Generate metadata from a BOOTLIST that will subsequently used to generate
# the final grub menu entries
generate_grub_menu_metadata() {
local bootlist="$1"
# Sort machineids by last_used from their main entry
for machineid in $(get_machines_sorted "${bootlist}"); do
entries="$(sort_entries_for_machineid "${bootlist}" ${machineid})"
main_entry="$(get_main_entry "${entries}")"
if [ -z "$main_entry" ]; then
continue
fi
main_entry_meta "${main_entry}"
advanced_entries_meta "${main_entry}"
main_dataset_name="$(get_field_from_entry "${main_entry}" 1)"
main_dataset_releasename="$(get_field_from_entry "${main_entry}" 4)"
# grep -v errcode != 0 if there is no match. || true to not fail with -e
other_entries="$(echo "${entries}" | grep -v "${main_entry}" || true)"
history_entries_meta "${other_entries}" "${main_dataset_name}" "${main_dataset_releasename}"
done
}
# Print the configuration part common to all sections
# Note:
# If 10_linux runs these part will be defined twice in grub configuration
print_menu_prologue() {
cat << 'EOF'
function gfxmode {
set gfxpayload="${1}"
EOF
if [ "${vt_handoff}" = 1 ]; then
cat << 'EOF'
if [ "${1}" = "keep" ]; then
set vt_handoff=vt.handoff=1
else
set vt_handoff=
fi
EOF
fi
cat << EOF
}
EOF
# Use ELILO's generic "efifb" when it's known to be available.
# FIXME: We need an interface to select vesafb in case efifb can't be used.
GRUB_GFXPAYLOAD_LINUX="${GRUB_GFXPAYLOAD_LINUX:-}"
if [ "${GRUB_GFXPAYLOAD_LINUX}" != "" ] || [ "${gfxpayload_dynamic}" = 0 ]; then
echo "set linux_gfx_mode=${GRUB_GFXPAYLOAD_LINUX}"
else
cat << EOF
if [ "\${recordfail}" != 1 ]; then
if [ -e \${prefix}/gfxblacklist.txt ]; then
if hwmatch \${prefix}/gfxblacklist.txt 3; then
if [ \${match} = 0 ]; then
set linux_gfx_mode=keep
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=keep
fi
else
set linux_gfx_mode=text
fi
EOF
fi
cat << EOF
export linux_gfx_mode
EOF
}
# Cache for prepare_grub_to_access_device call
# $1: boot_device
# $2: submenu_level
prepare_grub_to_access_device_cached() {
local boot_device="$1"
local submenu_level="$2"
local boot_device_idx="$(echo ${boot_device} | tr '/' '_')"
cache_file="${ZFSTMP}/$(echo boot_device${boot_device_idx})"
if [ ! -f "${cache_file}" ]; then
set +u
echo "$(prepare_grub_to_access_device "${boot_device}")" > "${cache_file}"
set -u
for i in 0 1 2; do
submenu_indentation="$(printf %${i}s | tr " " "${grub_tab}")"
sed "s/^/${submenu_indentation} /" "${cache_file}" > "${cache_file}--${i}"
done
fi
cat "${cache_file}--${submenu_level}"
}
# Print a grub menu entry
zfs_linux_entry () {
submenu_level="$1"
title="$2"
type="$3"
dataset="$4"
boot_device="$5"
initrd="$6"
kernel="$7"
kernel_version="$8"
kernel_additional_args="${9:-}"
boot_devices="${10:-}"
submenu_indentation="$(printf %${submenu_level}s | tr " " "${grub_tab}")"
echo "${submenu_indentation}menuentry '$(echo "${title}" | grub_quote)' ${CLASS} \${menuentry_id_option} 'gnulinux-${dataset}-${kernel_version}' {"
if [ "${quick_boot}" = 1 ]; then
echo "${submenu_indentation} recordfail"
fi
if [ "${type}" != "recovery" ] ; then
GRUB_SAVEDEFAULT=${GRUB_SAVEDEFAULT:-}
default_entry="$(save_default_entry)"
if [ -n "${default_entry}" ]; then
echo "${submenu_indentation} ${default_entry}"
fi
fi
# Use ELILO's generic "efifb" when it's known to be available.
# FIXME: We need an interface to select vesafb in case efifb can't be used.
if [ "${GRUB_GFXPAYLOAD_LINUX}" = "" ]; then
echo "${submenu_indentation} load_video"
else
if [ "${GRUB_GFXPAYLOAD_LINUX}" != "text" ]; then
echo "${submenu_indentation} load_video"
fi
fi
if ([ "${ubuntu_recovery}" = 0 ] || [ "${type}" != "recovery" ]) && \
([ "${GRUB_GFXPAYLOAD_LINUX}" != "" ] || [ "${gfxpayload_dynamic}" = 1 ]); then
echo "${submenu_indentation} gfxmode \${linux_gfx_mode}"
fi
echo "${submenu_indentation} insmod gzio"
echo "${submenu_indentation} if [ \"\${grub_platform}\" = xen ]; then insmod xzio; insmod lzopio; fi"
if [ -n "$boot_devices" ]; then
for device in ${boot_devices}; do
echo "${submenu_indentation} if [ "${boot_device}" = "${device}" ]; then"
echo "$(prepare_grub_to_access_device_cached "${device}" $(( submenu_level +1 )) )"
echo "${submenu_indentation} fi"
done
else
echo "$(prepare_grub_to_access_device_cached "${boot_device}" "${submenu_level}")"
fi
if [ "${quiet_boot}" = 0 ] || [ "${type}" != simple ]; then
echo "${submenu_indentation} echo $(gettext_printf "Loading Linux %s ..." ${kernel_version} | grub_quote)"
fi
linux_default_args="${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
if [ ${type} = "recovery" ]; then
linux_default_args="${GRUB_CMDLINE_LINUX_RECOVERY} ${GRUB_CMDLINE_LINUX}"
fi
echo "${submenu_indentation} linux ${kernel} root=ZFS=${dataset} ro ${linux_default_args} ${kernel_additional_args}"
if [ "${quiet_boot}" = 0 ] || [ "${type}" != simple ]; then
echo "${submenu_indentation} echo '$(gettext_printf "Loading initial ramdisk ..." | grub_quote)'"
fi
echo "${submenu_indentation} initrd ${initrd}"
echo "${submenu_indentation}}"
}
# Generate a GRUB Menu from menu meta data
# $1 menu metadata
generate_grub_menu() {
local menu_metadata="$1"
local last_section=""
local main_dataset_name=""
local main_dataset=""
local have_zsys=""
if [ -z "${menu_metadata}" ]; then
return
fi
CLASS="--class gnu-linux --class gnu --class os"
if [ "${GRUB_DISTRIBUTOR}" = "" ] ; then
OS=GNU/Linux
else
case ${GRUB_DISTRIBUTOR} in
Ubuntu|Kubuntu)
OS="${GRUB_DISTRIBUTOR}"
;;
*)
OS="${GRUB_DISTRIBUTOR} GNU/Linux"
;;
esac
CLASS="--class $(echo ${GRUB_DISTRIBUTOR} | tr 'A-Z' 'a-z' | cut -d' ' -f1 | LC_ALL=C sed 's,[^[:alnum:]_],_,g') ${CLASS}"
fi
if [ -x /lib/recovery-mode/recovery-menu ]; then
GRUB_CMDLINE_LINUX_RECOVERY=recovery
else
GRUB_CMDLINE_LINUX_RECOVERY=single
fi
if [ "${ubuntu_recovery}" = 1 ]; then
GRUB_CMDLINE_LINUX_RECOVERY="${GRUB_CMDLINE_LINUX_RECOVERY} nomodeset"
fi
case "$GENKERNEL_ARCH" in
x86*) GRUB_CMDLINE_LINUX_RECOVERY="$GRUB_CMDLINE_LINUX_RECOVERY dis_ucode_ldr";;
esac
if [ "${vt_handoff}" = 1 ]; then
for word in ${GRUB_CMDLINE_LINUX_DEFAULT}; do
if [ "${word}" = splash ]; then
GRUB_CMDLINE_LINUX_DEFAULT="${GRUB_CMDLINE_LINUX_DEFAULT} \${vt_handoff}"
fi
done
fi
print_menu_prologue
cat<<'EOF'
function zsyshistorymenu {
# $1: root dataset (eg rpool/ROOT/ubuntu_2zhm07@autozsys_k56fr6)
# $2: boot device id (eg 411f29ce1557bfed)
# $3: initrd (eg /BOOT/ubuntu_2zhm07@autozsys_k56fr6/initrd.img-5.4.0-21-generic)
# $4: kernel (eg /BOOT/ubuntu_2zhm07@autozsys_k56fr6/vmlinuz-5.4.0-21-generic)
# $5: kernel_version (eg 5.4.0-21-generic)
set root_dataset="${1}"
set boot_device="${2}"
set initrd="${3}"
set kernel="${4}"
set kversion="${5}"
EOF
boot_devices=$(echo "${menu_metadata}" | cut -d"$(printf '\t')" -f6 | sort -u)
title=$(gettext_printf "Revert system only")
zfs_linux_entry 1 "${title}" "simple" '${root_dataset}' '${boot_device}' '${initrd}' '${kernel}' '${kversion}' '' "${boot_devices}"
title="$(gettext_printf "Revert system and user data")"
zfs_linux_entry 1 "${title}" "simple" '${root_dataset}' '${boot_device}' '${initrd}' '${kernel}' '${kversion}' 'zsys-revert=userdata' "${boot_devices}"
GRUB_DISABLE_RECOVERY="${GRUB_DISABLE_RECOVERY:-}"
if [ "${GRUB_DISABLE_RECOVERY}" != "true" ]; then
title="$(gettext_printf "Revert system only (%s)" "$(gettext "${GRUB_RECOVERY_TITLE}")")"
zfs_linux_entry 1 "${title}" "recovery" '${root_dataset}' '${boot_device}' '${initrd}' '${kernel}' '${kversion}' '' "${boot_devices}"
title="$(gettext_printf "Revert system and user data (%s)" "$(gettext "${GRUB_RECOVERY_TITLE}")")"
zfs_linux_entry 1 "${title}" "recovery" '${root_dataset}' '${boot_device}' '${initrd}' '${kernel}' '${kversion}' 'zsys-revert=userdata' "${boot_devices}"
fi
echo "}"
echo
# IFS is set to TAB (ASCII 0x09)
echo "${menu_metadata}" |
{
at_least_one_entry=0
have_zsys="$(which zsysd || true)"
while IFS="$(printf '\t')" read -r machineid iszsys section name dataset device initrd kernel opt; do
# Disable history for non zsys system or if systems is a zsys one and zsys isn't installed.
# In pure zfs systems, we identified multiple issues due to the mount generator
# in upstream zfs which makes it incompatible. Don't show history for now.
if [ "${section}" = "history" ]; then
if [ "${iszsys}" != "yes" ] || [ "${iszsys}" = "yes" -a -z "${have_zsys}" ]; then
continue
fi
fi
if [ "${last_section}" != "${section}" -a -n "${last_section}" ]; then
# Close previous section wrapper
if [ "${last_section}" != "main" ]; then
echo "}" # Add grub_tabs
at_least_one_entry=0
fi
fi
case "${section}" in
main)
title="${name}"
main_dataset_name="${name}"
main_dataset="${dataset}"
kernel_version=$(basename "${kernel}" | sed -e "s,^[^0-9]*-,,g")
zfs_linux_entry 0 "${title}" "simple" "${dataset}" "${device}" "${initrd}" "${kernel}" "${kernel_version}"
at_least_one_entry=1
;;
advanced)
# normal and recovery entries for a given kernel
if [ "${last_section}" != "${section}" ]; then
echo "submenu '$(gettext_printf "Advanced options for %s" "${main_dataset_name}" | grub_quote)' \${menuentry_id_option} 'gnulinux-advanced-${main_dataset}' {"
fi
last_booted_kernel_marker=""
if [ "${opt}" = "true" ]; then
last_booted_kernel_marker="* "
fi
kernel_version=$(basename "${kernel}" | sed -e "s,^[^0-9]*-,,g")
title="$(gettext_printf "%s%s, with Linux %s" "${last_booted_kernel_marker}" "${name}" "${kernel_version}")"
zfs_linux_entry 1 "${title}" "advanced" "${dataset}" "${device}" "${initrd}" "${kernel}" "${kernel_version}"
GRUB_DISABLE_RECOVERY=${GRUB_DISABLE_RECOVERY:-}
if [ "${GRUB_DISABLE_RECOVERY}" != "true" ]; then
title="$(gettext_printf "%s%s, with Linux %s (%s)" "${last_booted_kernel_marker}" "${name}" "${kernel_version}" "$(gettext "${GRUB_RECOVERY_TITLE}")")"
zfs_linux_entry 1 "${title}" "recovery" "${dataset}" "${device}" "${initrd}" "${kernel}" "${kernel_version}"
fi
at_least_one_entry=1
;;
history)
# Revert to a snapshot
# revert system, revert system and user data and associated recovery entries
if [ "${last_section}" != "${section}" ]; then
echo "submenu '$(gettext_printf "History for %s" "${main_dataset_name}" | grub_quote)' \${menuentry_id_option} 'gnulinux-history-${main_dataset}' {"
fi
if [ "${iszsys}" = "yes" ]; then
title="$(gettext_printf "Revert to %s" "${name}" | grub_quote)"
else
title="$(gettext_printf "Boot on %s" "${name}" | grub_quote)"
fi
echo " submenu '${title}' \${menuentry_id_option} 'gnulinux-history-${dataset}' {"
kernel_version=$(basename "${kernel}" | sed -e "s,^[^0-9]*-,,g")
# Zsys only: let revert system without destroying snapshots
if [ "${iszsys}" = "yes" ]; then
echo "${grub_tab}${grub_tab}zsyshistorymenu" \"${dataset}\" \"${device}\" \"${initrd}\" \"${kernel}\" \"${kernel_version}\"
# Non-zsys: boot temporarly on snapshots or rollback (destroying intermediate snapshots)
else
title="$(gettext_printf "One time boot")"
zfs_linux_entry 2 "${title}" "simple" "${dataset}" "${device}" "${initrd}" "${kernel}" "${kernel_version}"
GRUB_DISABLE_RECOVERY="${GRUB_DISABLE_RECOVERY:-}"
if [ "${GRUB_DISABLE_RECOVERY}" != "true" ]; then
title="$(gettext_printf "One time boot (%s)" "$(gettext "${GRUB_RECOVERY_TITLE}")")"
zfs_linux_entry 2 "${title}" "recovery" "${dataset}" "${device}" "${initrd}" "${kernel}" "${kernel_version}"
fi
title="$(gettext_printf "Revert system (all intermediate snapshots will be destroyed)")"
zfs_linux_entry 2 "${title}" "simple" "${dataset}" "${device}" "${initrd}" "${kernel}" "${kernel_version}" "rollback=yes"
fi
echo " }"
at_least_one_entry=1
;;
*)
grub_warn "unknown section: ${section}. Ignoring entry ${name} for ${dataset}"
;;
esac
last_section="${section}"
done
if [ "${at_least_one_entry}" -eq 1 ]; then
echo "}"
fi
}
}
# don't add trailing newline of variable is empty
# $1: content to write
# $2: destination file
trailing_newline_if_not_empty() {
content="$1"
dest="$2"
if [ -z "${content}" ]; then
rm -f "${dest}"
touch "${dest}"
return
fi
echo "${content}" > "${dest}"
}
GRUB_LINUX_ZFS_TEST="${GRUB_LINUX_ZFS_TEST:-}"
case "${GRUB_LINUX_ZFS_TEST}" in
bootlist)
# Import all available pools on the system and return imported list
imported_pools=$(import_pools)
boot_list="$(bootlist ${MNTDIR})"
trailing_newline_if_not_empty "${boot_list}" "${GRUB_LINUX_ZFS_TEST_OUTPUT}"
break
;;
metamenu)
boot_list="$(cat ${GRUB_LINUX_ZFS_TEST_INPUT})"
menu_metadata="$(generate_grub_menu_metadata "${boot_list}")"
trailing_newline_if_not_empty "${menu_metadata}" "${GRUB_LINUX_ZFS_TEST_OUTPUT}"
break
;;
grubmenu)
menu_metadata="$(cat ${GRUB_LINUX_ZFS_TEST_INPUT})"
grub_menu=$(generate_grub_menu "${menu_metadata}")
trailing_newline_if_not_empty "${grub_menu}" "${GRUB_LINUX_ZFS_TEST_OUTPUT}"
break
;;
*)
# Import all available pools on the system and return imported list
imported_pools=$(import_pools)
# Generate the complete list of boot entries
boot_list="$(bootlist ${MNTDIR})"
# Create boot menu meta data from the list of boot entries
menu_metadata="$(generate_grub_menu_metadata "${boot_list}")"
# Create boot menu meta data from the list of boot entries
grub_menu="$(generate_grub_menu "${menu_metadata}")"
if [ -n "${grub_menu}" ]; then
# We want the trailing newline as a marker will be added
echo "${grub_menu}"
fi
;;
esac
========================= sda5/etc/grub.d/49_linux_xen =========================
#! /bin/sh
set -e
# grub-mkconfig helper script.
# Copyright (C) 2006,2007,2008,2009,2010 Free Software Foundation, Inc.
#
# GRUB is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# GRUB is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GRUB. If not, see <http://www.gnu.org/licenses/>.
prefix="/usr"
exec_prefix="/usr"
datarootdir="/usr/share"
. "$pkgdatadir/grub-mkconfig_lib"
export TEXTDOMAIN=grub
export TEXTDOMAINDIR="${datarootdir}/locale"
CLASS="--class gnu-linux --class gnu --class os --class xen"
SUPPORTED_INITS="sysvinit:/lib/sysvinit/init systemd:/lib/systemd/systemd upstart:/sbin/upstart"
if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
OS=GNU/Linux
else
OS="${GRUB_DISTRIBUTOR} GNU/Linux"
CLASS="--class $(echo ${GRUB_DISTRIBUTOR} | tr 'A-Z' 'a-z' | cut -d' ' -f1|LC_ALL=C sed 's,[^[:alnum:]_],_,g') ${CLASS}"
fi
# loop-AES arranges things so that /dev/loop/X can be our root device, but
# the initrds that Linux uses don't like that.
case ${GRUB_DEVICE} in
/dev/loop/*|/dev/loop[0-9])
GRUB_DEVICE=`losetup ${GRUB_DEVICE} | sed -e "s/^[^(]*(\([^)]\+\)).*/\1/"`
# We can't cope with devices loop-mounted from files here.
case ${GRUB_DEVICE} in
/dev/*) ;;
*) exit 0 ;;
esac
;;
esac
# Default to disabling partition uuid support to maintian compatibility with
# older kernels.
GRUB_DISABLE_LINUX_PARTUUID=${GRUB_DISABLE_LINUX_PARTUUID-true}
# btrfs may reside on multiple devices. We cannot pass them as value of root= parameter
# and mounting btrfs requires user space scanning, so force UUID in this case.
if ( [ "x${GRUB_DEVICE_UUID}" = "x" ] && [ "x${GRUB_DEVICE_PARTUUID}" = "x" ] ) \
|| ( [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \
&& [ "x${GRUB_DISABLE_LINUX_PARTUUID}" = "xtrue" ] ) \
|| ( ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" \
&& ! test -e "/dev/disk/by-partuuid/${GRUB_DEVICE_PARTUUID}" ) \
|| ( test -e "${GRUB_DEVICE}" && uses_abstraction "${GRUB_DEVICE}" lvm ); then
LINUX_ROOT_DEVICE=${GRUB_DEVICE}
elif [ "x${GRUB_DEVICE_UUID}" = "x" ] \
|| [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ]; then
LINUX_ROOT_DEVICE=PARTUUID=${GRUB_DEVICE_PARTUUID}
else
LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID}
fi
# Allow overriding GRUB_CMDLINE_LINUX and GRUB_CMDLINE_LINUX_DEFAULT.
if [ "${GRUB_CMDLINE_LINUX_XEN_REPLACE}" ]; then
GRUB_CMDLINE_LINUX="${GRUB_CMDLINE_LINUX_XEN_REPLACE}"
fi
if [ "${GRUB_CMDLINE_LINUX_XEN_REPLACE_DEFAULT}" ]; then
GRUB_CMDLINE_LINUX_DEFAULT="${GRUB_CMDLINE_LINUX_XEN_REPLACE_DEFAULT}"
fi
case x"$GRUB_FS" in
xbtrfs)
rootsubvol="`make_system_path_relative_to_its_root /`"
rootsubvol="${rootsubvol#/}"
if [ "x${rootsubvol}" != x ]; then
GRUB_CMDLINE_LINUX="rootflags=subvol=${rootsubvol} ${GRUB_CMDLINE_LINUX}"
fi;;
xzfs)
rpool=`${grub_probe} --device ${GRUB_DEVICE} --target=fs_label 2>/dev/null || true`
bootfs="`make_system_path_relative_to_its_root / | sed -e "s,@$,,"`"
LINUX_ROOT_DEVICE="ZFS=${rpool}${bootfs%/}"
;;
esac
title_correction_code=
linux_entry ()
{
os="$1"
version="$2"
xen_version="$3"
type="$4"
args="$5"
xen_args="$6"
if [ -z "$boot_device_id" ]; then
boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"
fi
if [ x$type != xsimple ] ; then
if [ x$type = xrecovery ] ; then
title="$(gettext_printf "%s, with Xen %s and Linux %s (%s)" "${os}" "${xen_version}" "${version}" "$(gettext "${GRUB_RECOVERY_TITLE}")")"
elif [ "${type#init-}" != "$type" ] ; then
title="$(gettext_printf "%s, with Xen %s and Linux %s (%s)" "${os}" "${xen_version}" "${version}" "${type#init-}")"
else
title="$(gettext_printf "%s, with Xen %s and Linux %s" "${os}" "${xen_version}" "${version}")"
fi
replacement_title="$(echo "Advanced options for ${OS}" | sed 's,>,>>,g')>$(echo "$title" | sed 's,>,>>,g')"
if [ x"Xen ${xen_version}>$title" = x"$GRUB_ACTUAL_DEFAULT" ]; then
quoted="$(echo "$GRUB_ACTUAL_DEFAULT" | grub_quote)"
title_correction_code="${title_correction_code}if [ \"x\$default\" = '$quoted' ]; then default='$(echo "$replacement_title" | grub_quote)'; fi;"
grub_warn "$(gettext_printf "Please don't use old title \`%s' for GRUB_DEFAULT, use \`%s' (for versions before 2.00) or \`%s' (for 2.00 or later)" "$GRUB_ACTUAL_DEFAULT" "$replacement_title" "gnulinux-advanced-$boot_device_id>gnulinux-$version-$type-$boot_device_id")"
fi
echo "menuentry '$(echo "$title" | grub_quote)' ${CLASS} \$menuentry_id_option 'xen-gnulinux-$version-$type-$boot_device_id' {" | sed "s/^/$submenu_indentation/"
else
title="$(gettext_printf "%s, with Xen hypervisor" "${os}")"
echo "menuentry '$(echo "$title" | grub_quote)' ${CLASS} \$menuentry_id_option 'xen-gnulinux-simple-$boot_device_id' {" | sed "s/^/$submenu_indentation/"
fi
if [ x$type != xrecovery ] ; then
save_default_entry | grub_add_tab | sed "s/^/$submenu_indentation/"
fi
if [ -z "${prepare_boot_cache}" ]; then
prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | grub_add_tab)"
fi
printf '%s\n' "${prepare_boot_cache}" | sed "s/^/$submenu_indentation/"
xmessage="$(gettext_printf "Loading Xen %s ..." ${xen_version})"
lmessage="$(gettext_printf "Loading Linux %s ..." ${version})"
sed "s/^/$submenu_indentation/" << EOF
echo '$(echo "$xmessage" | grub_quote)'
if [ "\$grub_platform" = "pc" -o "\$grub_platform" = "" ]; then
xen_rm_opts=
else
xen_rm_opts="no-real-mode edd=off"
fi
${xen_loader} ${rel_xen_dirname}/${xen_basename} placeholder ${xen_args} \${xen_rm_opts}
echo '$(echo "$lmessage" | grub_quote)'
${module_loader} ${rel_dirname}/${basename} placeholder root=${linux_root_device_thisversion} ro ${args}
EOF
if test -n "${initrd}" ; then
# TRANSLATORS: ramdisk isn't identifier. Should be translated.
message="$(gettext_printf "Loading initial ramdisk ...")"
initrd_path=
for i in ${initrd}; do
initrd_path="${initrd_path} ${rel_dirname}/${i}"
done
sed "s/^/$submenu_indentation/" << EOF
echo '$(echo "$message" | grub_quote)'
${module_loader} --nounzip $(echo $initrd_path)
EOF
fi
sed "s/^/$submenu_indentation/" << EOF
}
EOF
}
linux_list=
for i in /boot/vmlinu[xz]-* /vmlinu[xz]-* /boot/kernel-*; do
if grub_file_is_not_garbage "$i"; then
basename=$(basename $i)
version=$(echo $basename | sed -e "s,^[^0-9]*-,,g")
dirname=$(dirname $i)
config=
for j in "${dirname}/config-${version}" "${dirname}/config-${alt_version}" "/etc/kernels/kernel-config-${version}" ; do
if test -e "${j}" ; then
config="${j}"
break
fi
done
if (grep -qx "CONFIG_XEN_DOM0=y" "${config}" 2> /dev/null || grep -qx "CONFIG_XEN_PRIVILEGED_GUEST=y" "${config}" 2> /dev/null); then linux_list="$linux_list $i" ; fi
fi
done
if [ "x${linux_list}" = "x" ] ; then
exit 0
fi
file_is_not_sym () {
case "$1" in
*/xen-syms-*)
return 1;;
*)
return 0;;
esac
}
xen_list=
for i in /boot/xen*; do
if grub_file_is_not_garbage "$i" && file_is_not_sym "$i" ; then xen_list="$xen_list $i" ; fi
done
prepare_boot_cache=
boot_device_id=
title_correction_code=
machine=`uname -m`
case "$machine" in
i?86) GENKERNEL_ARCH="x86" ;;
mips|mips64) GENKERNEL_ARCH="mips" ;;
mipsel|mips64el) GENKERNEL_ARCH="mipsel" ;;
arm*) GENKERNEL_ARCH="arm" ;;
*) GENKERNEL_ARCH="$machine" ;;
esac
# Extra indentation to add to menu entries in a submenu. We're not in a submenu
# yet, so it's empty. In a submenu it will be equal to '\t' (one tab).
submenu_indentation=""
is_top_level=true
while [ "x${xen_list}" != "x" ] ; do
list="${linux_list}"
current_xen=`version_find_latest $xen_list`
xen_basename=`basename ${current_xen}`
xen_dirname=`dirname ${current_xen}`
rel_xen_dirname=`make_system_path_relative_to_its_root $xen_dirname`
xen_version=`echo $xen_basename | sed -e "s,.gz$,,g;s,^xen-,,g"`
if [ -z "$boot_device_id" ]; then
boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"
fi
if [ "x$is_top_level" != xtrue ]; then
echo " submenu '$(gettext_printf "Xen hypervisor, version %s" "${xen_version}" | grub_quote)' \$menuentry_id_option 'xen-hypervisor-$xen_version-$boot_device_id' {"
fi
if ($grub_file --is-arm64-efi $current_xen); then
xen_loader="xen_hypervisor"
module_loader="xen_module"
else
if ($grub_file --is-x86-multiboot2 $current_xen); then
xen_loader="multiboot2"
module_loader="module2"
else
xen_loader="multiboot"
module_loader="module"
fi
fi
initrd_early=
for i in ${GRUB_EARLY_INITRD_LINUX_STOCK} \
${GRUB_EARLY_INITRD_LINUX_CUSTOM}; do
if test -e "${xen_dirname}/${i}" ; then
initrd_early="${initrd_early} ${i}"
fi
done
while [ "x$list" != "x" ] ; do
linux=`version_find_latest $list`
gettext_printf "Found linux image: %s\n" "$linux" >&2
basename=`basename $linux`
dirname=`dirname $linux`
rel_dirname=`make_system_path_relative_to_its_root $dirname`
version=`echo $basename | sed -e "s,^[^0-9]*-,,g"`
alt_version=`echo $version | sed -e "s,\.old$,,g"`
linux_root_device_thisversion="${LINUX_ROOT_DEVICE}"
initrd_real=
for i in "initrd.img-${version}" "initrd-${version}.img" "initrd-${version}.gz" \
"initrd-${version}" "initramfs-${version}.img" \
"initrd.img-${alt_version}" "initrd-${alt_version}.img" \
"initrd-${alt_version}" "initramfs-${alt_version}.img" \
"initramfs-genkernel-${version}" \
"initramfs-genkernel-${alt_version}" \
"initramfs-genkernel-${GENKERNEL_ARCH}-${version}" \
"initramfs-genkernel-${GENKERNEL_ARCH}-${alt_version}" ; do
if test -e "${dirname}/${i}" ; then
initrd_real="$i"
break
fi
done
initrd=
if test -n "${initrd_early}" || test -n "${initrd_real}"; then
initrd="${initrd_early} ${initrd_real}"
initrd_display=
for i in ${initrd}; do
initrd_display="${initrd_display} ${dirname}/${i}"
done
gettext_printf "Found initrd image: %s\n" "$(echo $initrd_display)" >&2
fi
if test -z "${initrd_real}"; then
# "UUID=" magic is parsed by initrds. Since there's no initrd, it can't work here.
if [ "x${GRUB_DEVICE_PARTUUID}" = "x" ] \
|| [ "x${GRUB_DISABLE_LINUX_PARTUUID}" = "xtrue" ]; then
linux_root_device_thisversion=${GRUB_DEVICE}
else
linux_root_device_thisversion=PARTUUID=${GRUB_DEVICE_PARTUUID}
fi
fi
if [ "x$is_top_level" = xtrue ] && [ "x${GRUB_DISABLE_SUBMENU}" != xy ]; then
linux_entry "${OS}" "${version}" "${xen_version}" simple \
"${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}" "${GRUB_CMDLINE_XEN} ${GRUB_CMDLINE_XEN_DEFAULT}"
submenu_indentation="$grub_tab$grub_tab"
if [ -z "$boot_device_id" ]; then
boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"
fi
# TRANSLATORS: %s is replaced with an OS name
echo "submenu '$(gettext_printf "Advanced options for %s (with Xen hypervisor)" "${OS}" | grub_quote)' \$menuentry_id_option 'gnulinux-advanced-$boot_device_id' {"
echo " submenu '$(gettext_printf "Xen hypervisor, version %s" "${xen_version}" | grub_quote)' \$menuentry_id_option 'xen-hypervisor-$xen_version-$boot_device_id' {"
is_top_level=false
fi
linux_entry "${OS}" "${version}" "${xen_version}" advanced \
"${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}" "${GRUB_CMDLINE_XEN} ${GRUB_CMDLINE_XEN_DEFAULT}"
for supported_init in ${SUPPORTED_INITS}; do
init_path="${supported_init#*:}"
if [ -x "${init_path}" ] && [ "$(readlink -f /sbin/init)" != "$(readlink -f "${init_path}")" ]; then
linux_entry "${OS}" "${version}" "${xen_version}" "init-${supported_init%%:*}" \
"${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT} init=${init_path}" "${GRUB_CMDLINE_XEN} ${GRUB_CMDLINE_XEN_DEFAULT}"
fi
done
if [ "x${GRUB_DISABLE_RECOVERY}" != "xtrue" ]; then
linux_entry "${OS}" "${version}" "${xen_version}" recovery \
"single ${GRUB_CMDLINE_LINUX}" "${GRUB_CMDLINE_XEN}"
fi
list=`echo $list | tr ' ' '\n' | fgrep -vx "$linux" | tr '\n' ' '`
done
if [ x"$is_top_level" != xtrue ]; then
echo ' }'
fi
xen_list=`echo $xen_list | tr ' ' '\n' | fgrep -vx "$current_xen" | tr '\n' ' '`
done
# If at least one kernel was found, then we need to
# add a closing '}' for the submenu command.
if [ x"$is_top_level" != xtrue ]; then
echo '}'
fi
echo "$title_correction_code"
====================== sda5/etc/grub.d/50_os-prober_proxy ======================
#!/bin/sh
#THIS IS A GRUB PROXY SCRIPT
'/etc/grub.d/proxifiedScripts/os-prober' | /etc/grub.d/bin/grubcfg_proxy "+*
+#text
-'Windows 7 (sur /dev/sda2)'~7f261b655eb49bd18834f7ddb1b055f0~
-'Ubuntu 16.04.6 LTS (16.04) (sur /dev/sda4)'~9b55e0102ce834da50eb4af16b26e053~
-'Windows 7 (sur /dev/sda1)'~277e3733d6c745e82b12dfd2f414233b~
+'SUBMENU' as 'Options avancées pour Ubuntu 16.04.6 LTS (16.04) (sur /dev/sda4)'{+'Options avancées pour Ubuntu 16.04.6 LTS (16.04) (sur /dev/sda4)'/*, +'Options avancées pour Ubuntu 16.04.6 LTS (16.04) (sur /dev/sda4)'/'Ubuntu (sur /dev/sda4)'~21efdfd58be5ae083609c81dffed73d3~, +*, +'Options avancées pour Ubuntu 16.04.6 LTS (16.04) (sur /dev/sda4)'/'Ubuntu, avec Linux 4.15.0-76-generic (sur /dev/sda4)'~21efdfd58be5ae083609c81dffed73d3~, +'Options avancées pour Ubuntu 16.04.6 LTS (16.04) (sur /dev/sda4)'/'Ubuntu, with Linux 4.15.0-76-generic (recovery mode) (sur /dev/sda4)'~6d51d0bec50e7439c5fbf65fe20ab6dd~, +'Options avancées pour Ubuntu 16.04.6 LTS (16.04) (sur /dev/sda4)'/'Ubuntu, avec Linux 4.15.0-74-generic (sur /dev/sda4)'~8bb3ada67d106299b2c76613815474d6~, +'Options avancées pour Ubuntu 16.04.6 LTS (16.04) (sur /dev/sda4)'/'Ubuntu, with Linux 4.15.0-74-generic (recovery mode) (sur /dev/sda4)'~80cda67e2181259243dbb9cae3323b31~}
"
======================= sda5/etc/grub.d/51_uefi-firmware =======================
#! /bin/sh
set -e
# grub-mkconfig helper script.
# Copyright (C) 2012 Free Software Foundation, Inc.
#
# GRUB is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# GRUB is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GRUB. If not, see <http://www.gnu.org/licenses/>.
prefix="/usr"
exec_prefix="/usr"
datarootdir="/usr/share"
export TEXTDOMAIN=grub
export TEXTDOMAINDIR="${datarootdir}/locale"
. "${datarootdir}/grub/grub-mkconfig_lib"
efi_vars_dir=/sys/firmware/efi/vars
EFI_GLOBAL_VARIABLE=8be4df61-93ca-11d2-aa0d-00e098032b8c
OsIndications="$efi_vars_dir/OsIndicationsSupported-$EFI_GLOBAL_VARIABLE/data"
if [ -e "$OsIndications" ] && \
[ "$(( $(printf 0x%x \'"$(cat $OsIndications | cut -b1)") & 1 ))" = 1 ]; then
LABEL="UEFI Firmware Settings"
gettext_printf "Adding boot menu entry for UEFI Firmware Settings\n" >&2
onstr="$(gettext_printf "(on %s)" "${DEVICE}")"
cat << EOF
menuentry '$LABEL' \$menuentry_id_option 'uefi-firmware' {
fwsetup
}
EOF
fi
======================= sda5/etc/grub.d/52_custom_proxy ========================
#!/bin/sh
#THIS IS A GRUB PROXY SCRIPT
'/etc/grub.d/proxifiedScripts/custom' | /etc/grub.d/bin/grubcfg_proxy "-*
-'Ubuntu 20.04 LTS'~5e732a1878be2342dbfeff5fe3ca5aa3~
+#text
-~bd2103035a8021942390a78a431ba0c4~ as 'Ubuntu'
"
====================== sda4/boot/grub/grub.cfg (filtered) ======================
Ubuntu d4af8b02-b68c-4127-a189-f82977775f64
Ubuntu, avec Linux 4.15.0-76-generic d4af8b02-b68c-4127-a189-f82977775f64
Ubuntu, avec Linux 4.15.0-74-generic d4af8b02-b68c-4127-a189-f82977775f64
Windows 7 (loader) (sur sda1) 4084667D846674F6
Windows 7 (loader) (sur sda2) A4C667F8C667C95E
Ubuntu 20.04 LTS (20.04) (sur sda5) 3a99e146-f457-46a6-8726-e075a86b9b9a
Ubuntu 20.04 LTS (20.04) (sur sda5) 3a99e146-f457-46a6-8726-e075a86b9b9a
Ubuntu 20.04 LTS (20.04) (sur sda5) 3a99e146-f457-46a6-8726-e075a86b9b9a
Ubuntu 20.04 LTS (20.04) (sur sda5) 3a99e146-f457-46a6-8726-e075a86b9b9a
Ubuntu 20.04 LTS (20.04) (sur sda5) 3a99e146-f457-46a6-8726-e075a86b9b9a
Ubuntu 20.04 LTS (20.04) (sur sda5) 3a99e146-f457-46a6-8726-e075a86b9b9a
Ubuntu 20.04 LTS (20.04) (sur sda5) 3a99e146-f457-46a6-8726-e075a86b9b9a
Ubuntu 20.04 LTS (20.04) (sur sda5) 3a99e146-f457-46a6-8726-e075a86b9b9a
Ubuntu 20.04 LTS (20.04) (sur sda5) 3a99e146-f457-46a6-8726-e075a86b9b9a
Ubuntu 20.04 LTS (20.04) (sur sda5) 3a99e146-f457-46a6-8726-e075a86b9b9a
Ubuntu 20.04 LTS (20.04) (sur sda5) 3a99e146-f457-46a6-8726-e075a86b9b9a
### END /etc/grub.d/30_os-prober ###
### END /etc/grub.d/30_uefi-firmware ###
========================== sda4/etc/fstab (filtered) ===========================
# <file system> <mount point> <type> <options> <dump> <pass>
# / was on /dev/sda5 during installation
UUID=d4af8b02-b68c-4127-a189-f82977775f64 / ext4 errors=remount-ro 0 1
# swap was on /dev/sda6 during installation
admin@lasagne-ramolli.mooo.com:/downloads/ /home/kierian/00NAS/downloads/ fuse.sshfs port=2140,umask=0,defaults,auto,user,noatime,allow_other,_netdev 0 0
admin@lasagne-ramolli.mooo.com:/video/ /home/kierian/00NAS/video/ fuse.sshfs port=2140,umask=0,defaults,auto,user,noatime,allow_other,_netdev 0 0
admin@lasagne-ramolli.mooo.com:/music/ /home/kierian/00NAS/music/ fuse.sshfs port=2140,umask=0,defaults,auto,user,noatime,allow_other,_netdev 0 0
admin@lasagne-ramolli.mooo.com:/photo/ /home/kierian/00NAS/photo/ fuse.sshfs port=2140,umask=0,defaults,auto,user,noatime,allow_other,_netdev 0 0
admin@lasagne-ramolli.mooo.com:/homes/ /home/kierian/00NAS/homes/ fuse.sshfs port=2140,umask=0,defaults,auto,user,noatime,allow_other,_netdev 0 0
======================= sda4/etc/default/grub (filtered) =======================
GRUB_DEFAULT=0
GRUB_HIDDEN_TIMEOUT_QUIET=true
GRUB_TIMEOUT=10
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LINUX=""
==================== sda4: Location of files loaded by Grub ====================
GiB - GB File Fragment(s)
891.168128967 = 956.884492288 boot/grub/grub.cfg 1
890.881114960 = 956.576313344 boot/grub/i386-pc/core.img 1
915.207710266 = 982.696796160 boot/vmlinuz-4.15.0-74-generic 4
900.194877625 = 966.576889856 boot/vmlinuz-4.15.0-76-generic 5
900.194877625 = 966.576889856 vmlinuz 5
915.207710266 = 982.696796160 vmlinuz.old 4
916.721992493 = 984.322744320 boot/initrd.img-4.15.0-74-generic 2
916.706371307 = 984.305971200 boot/initrd.img-4.15.0-76-generic 4
916.706371307 = 984.305971200 initrd.img 4
916.721992493 = 984.322744320 initrd.img.old 2
===================== sda4: ls -l /etc/grub.d/ (filtered) ======================
-rwxr-xr-x 1 root root 12512 mars 21 2018 10_linux
-rwxr-xr-x 1 root root 11082 mars 21 2018 20_linux_xen
-rwxr-xr-x 1 root root 11692 mars 21 2018 30_os-prober
-rwxr-xr-x 1 root root 1418 mars 21 2018 30_uefi-firmware
-rwxr-xr-x 1 root root 214 mars 21 2018 40_custom
-rwxr-xr-x 1 root root 216 mars 21 2018 41_custom
Suggested repair: ______________________________________________________________
The default repair of the Boot-Repair utility would reinstall the grub2 of
sda4 into the MBR of sda.
Additional repair would be performed: unhide-bootmenu-10s
