J'ai tenté un démarrage sur une clé USB pour faire un boot-repair sans résultat. Ca me génère ce rapport de plantage :
http://paste.ubuntu.com/p/s2wHr7rZ5x/
boot-repair-4ppa125 [20200910_1832]
============================== 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 (,msdos1)/boot/grub. It also embeds following components:
modules
---------------------------------------------------------------------------
fshelp ext2 part_msdos biosdisk
---------------------------------------------------------------------------
sda1: __________________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Ubuntu 18.04.5 LTS
Boot files: /boot/grub/grub.cfg /etc/fstab /etc/default/grub
/boot/grub/i386-pc/core.img
sdb: ___________________________________________________________________________
File system: iso9660
Boot sector type: Unknown
Boot sector info:
Operating System:
Boot files: /boot/grub/grub.cfg
================================ 1 OS detected =================================
OS#1: Ubuntu 18.04.5 LTS on sda1
============================ Architecture/Host Info ============================
CPU architecture: 64-bit
Live-session OS is Ubuntu 64-bit (Ubuntu 18.04.2 LTS, bionic, x86_64)
===================================== UEFI =====================================
This live-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): _________________________________________________________
sda1 : is-os, 64, apt-get, grub-pc , grub2, grub-install, grubenv-ng, update-grub, farbios
Partitions info (2/3): _________________________________________________________
sda1 : isnotESP, fstab-without-efi, no-nt, no-winload, no-recov-nor-hid, no-bmgr, notwinboot
Partitions info (3/3): _________________________________________________________
sda1 : not-sepboot, with-boot, fstab-without-boot, not-sep-usr, with--usr, fstab-without-usr, std-grub.d, sda
fdisk -l (filtered): ___________________________________________________________
Disk sda: 465.8 GiB, 500107862016 bytes, 976773168 sectors
Disk identifier: 0x7b6bd45e
Boot Start End Sectors Size Id Type
sda1 * 2048 976771071 976769024 465.8G 83 Linux
Disk sdb: 3.8 GiB, 4009754624 bytes, 7831552 sectors
Disk identifier: 0x40993ab6
Boot Start End Sectors Size Id Type
sdb1 * 0 3899391 3899392 1.9G 0 Empty
sdb2 3830956 3835883 4928 2.4M ef EFI (FAT-12/16/32)
parted -lm (filtered): _________________________________________________________
sda:500GB:scsi:512:512:msdos:ATA WDC WD5000AAKX-7:;
1:1049kB:500GB:500GB:ext4::boot;
sdb:4010MB:scsi:512:512:unknown:General USB Flash Disk:;
blkid (filtered): ______________________________________________________________
NAME FSTYPE UUID PARTUUID LABEL PARTLABEL
sda
└─sda1 ext4 296c895b-98ad-4351-96de-12141b65390a 7b6bd45e-01
sdb iso9660 2019-02-10-00-27-34-00 Ubuntu 18.04.2 LTS amd64
├─sdb1 iso9660 2019-02-10-00-27-34-00 40993ab6-01 Ubuntu 18.04.2 LTS amd64
└─sdb2 vfat 5655-3E5A 40993ab6-02 Ubuntu 18.04.2 LTS amd64
df (filtered): _________________________________________________________________
Avail Use% Mounted on
sda1 50.6G 84% /mnt/boot-sav/sda1
sdb 0 100% /cdrom
Mount options: __________________________________________________________________
sda1 rw,relatime
sdb ro,noatime,nojoliet,check=s,map=n,blocksize=2048
====================== sda1/boot/grub/grub.cfg (filtered) ======================
Ubuntu 296c895b-98ad-4351-96de-12141b65390a
Ubuntu, avec Linux 4.15.0-112-generic 296c895b-98ad-4351-96de-12141b65390a
Ubuntu, avec Linux 4.15.0-109-generic 296c895b-98ad-4351-96de-12141b65390a
Ubuntu, avec Linux 4.15.0-108-generic 296c895b-98ad-4351-96de-12141b65390a
### END /etc/grub.d/30_os-prober ###
### END /etc/grub.d/30_uefi-firmware ###
========================== sda1/etc/fstab (filtered) ===========================
# <file system> <mount point> <type> <options> <dump> <pass>
# / was on /dev/sda1 during installation
UUID=296c895b-98ad-4351-96de-12141b65390a / ext4 errors=remount-ro 0 1
/swapfile none swap sw 0 0
======================= sda1/etc/default/grub (filtered) =======================
GRUB_DEFAULT=0
GRUB_TIMEOUT_STYLE=hidden
GRUB_TIMEOUT=10
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LINUX=""
==================== sda1: Location of files loaded by Grub ====================
GiB - GB File Fragment(s)
463.797943115 = 497.999249408 boot/grub/grub.cfg 1
315.743476868 = 339.026976768 boot/grub/i386-pc/core.img 1
414.875965118 = 445.469675520 boot/vmlinuz-4.15.0-108-generic 1
465.749019623 = 500.094201856 boot/vmlinuz-4.15.0-109-generic 2
86.629871368 = 93.018116096 boot/vmlinuz-4.15.0-112-generic 2
86.629871368 = 93.018116096 vmlinuz 2
465.749019623 = 500.094201856 vmlinuz.old 2
181.597404480 = 194.988728320 boot/initrd.img-4.15.0-108-generic 3
181.553359985 = 194.941435904 boot/initrd.img-4.15.0-109-generic 3
3.914745331 = 4.203425792 boot/initrd.img-4.15.0-112-generic 6
3.914745331 = 4.203425792 initrd.img 6
181.553359985 = 194.941435904 initrd.img.old 3
===================== sda1: ls -l /etc/grub.d/ (filtered) ======================
-rwxr-xr-x 1 root root 12693 juil. 17 2018 10_linux
-rwxr-xr-x 1 root root 11298 juil. 17 2018 20_linux_xen
-rwxr-xr-x 1 root root 12059 juil. 17 2018 30_os-prober
-rwxr-xr-x 1 root root 1418 juil. 17 2018 30_uefi-firmware
-rwxr-xr-x 1 root root 214 juil. 17 2018 40_custom
-rwxr-xr-x 1 root root 216 juil. 17 2018 41_custom
====================== sdb/boot/grub/grub.cfg (filtered) =======================
Try Ubuntu without installing
Install Ubuntu
OEM install (for manufacturers)
Check disc for defects
==================== sdb: Location of files loaded by Grub =====================
GiB - GB File Fragment(s)
?? = ?? boot/grub/grub.cfg 1
======================== Unknown MBRs/Boot Sectors/etc =========================
Unknown BootLoader on sdb
00000000 45 52 08 00 00 00 90 90 00 00 00 00 00 00 00 00 |ER..............|
00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
00000020 33 ed fa 8e d5 bc 00 7c fb fc 66 31 db 66 31 c9 |3......|..f1.f1.|
00000030 66 53 66 51 06 57 8e dd 8e c5 52 be 00 7c bf 00 |fSfQ.W....R..|..|
00000040 06 b9 00 01 f3 a5 ea 4b 06 00 00 52 b4 41 bb aa |.......K...R.A..|
00000050 55 31 c9 30 f6 f9 cd 13 72 16 81 fb 55 aa 75 10 |U1.0....r...U.u.|
00000060 83 e1 01 74 0b 66 c7 06 f3 06 b4 42 eb 15 eb 02 |...t.f.....B....|
00000070 31 c9 5a 51 b4 08 cd 13 5b 0f b6 c6 40 50 83 e1 |1.ZQ....[...@P..|
00000080 3f 51 f7 e1 53 52 50 bb 00 7c b9 04 00 66 a1 b0 |?Q..SRP..|...f..|
00000090 07 e8 44 00 0f 82 80 00 66 40 80 c7 02 e2 f2 66 |..D.....f@.....f|
000000a0 81 3e 40 7c fb c0 78 70 75 09 fa bc ec 7b ea 44 |.>@|..xpu....{.D|
000000b0 7c 00 00 e8 83 00 69 73 6f 6c 69 6e 75 78 2e 62 ||.....isolinux.b|
000000c0 69 6e 20 6d 69 73 73 69 6e 67 20 6f 72 20 63 6f |in missing or co|
000000d0 72 72 75 70 74 2e 0d 0a 66 60 66 31 d2 66 03 06 |rrupt...f`f1.f..|
000000e0 f8 7b 66 13 16 fc 7b 66 52 66 50 06 53 6a 01 6a |.{f...{fRfP.Sj.j|
000000f0 10 89 e6 66 f7 36 e8 7b c0 e4 06 88 e1 88 c5 92 |...f.6.{........|
00000100 f6 36 ee 7b 88 c6 08 e1 41 b8 01 02 8a 16 f2 7b |.6.{....A......{|
00000110 cd 13 8d 64 10 66 61 c3 e8 1e 00 4f 70 65 72 61 |...d.fa....Opera|
00000120 74 69 6e 67 20 73 79 73 74 65 6d 20 6c 6f 61 64 |ting system load|
00000130 20 65 72 72 6f 72 2e 0d 0a 5e ac b4 0e 8a 3e 62 | error...^....>b|
00000140 04 b3 07 cd 10 3c 0a 75 f1 cd 18 f4 eb fd 00 00 |.....<.u........|
00000150 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
*
000001b0 dc 39 3a 00 00 00 00 00 b6 3a 99 40 00 00 80 00 |.9:......:.@....|
000001c0 01 00 00 76 e0 ff 00 00 00 00 00 80 3b 00 00 fe |...v........;...|
000001d0 ff ff ef fe ff ff ac 74 3a 00 40 13 00 00 00 00 |.......t:.@.....|
000001e0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
000001f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.|
00000200
=============================== StdErr Messages ================================
File descriptor 63 (pipe:[89197]) leaked on lvs invocation. Parent PID 15778: /bin/bash
Suggested repair: ______________________________________________________________
The default repair of the Boot-Repair utility will purge (in order to reset grubenv) and reinstall the grub-pc of
sda1 into the MBR of sda.
Additional repair will be performed: unhide-bootmenu-10s