Я уже давно пользуюсь Ubuntu на Thinkpad T580. Ubuntu 19 - единственная установленная ОС. Тем не менее, после перезагрузки компьютера сегодня Ubuntu не загружается. Вместо этого открывается меню выбора загрузочного устройства BIOS. Я попытался восстановить загрузку для живого Ubuntu USB. Вот отчет от boot-repair:
Boot Info Script 8f991e4 + Boot-Repair extra info [Boot-Info 25oct2017]
============================= Boot Info Summary: ===============================
=> No known boot loader is installed in the MBR of /dev/sdb.
sdb1: __________________________________________________________________________
File system: iso9660
Boot sector type: Unknown
Boot sector info:
Mounting failed: mount: /mnt/BootInfo/sdb1: /dev/sdb1 already mounted or mount point busy.
sdb2: __________________________________________________________________________
File system: vfat
Boot sector type: FAT16
Boot sector info: According to the info in the boot sector, sdb2 starts
at sector 0. But according to the info from fdisk,
sdb2 starts at sector 4066772. According to the info
in the boot sector, sdb2 has 0 sectors.
Mounting failed: mount: /mnt/BootInfo/sdb1: /dev/sdb1 already mounted or mount point busy.
mount: /mnt/BootInfo/sdb2: /dev/sdb2 already mounted or mount point busy.
============================ Drive/Partition Info: =============================
Drive: sdb _____________________________________________________________________
Disk /dev/sdb: 3.8 GiB, 4024434688 bytes, 7860224 sectors
Disk model: USB Flash Disk
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Partition Boot Start Sector End Sector # of Sectors Id System
/dev/sdb1 * 0 4,095,999 4,096,000 0 Empty
/dev/sdb2 4,066,772 4,074,259 7,488 ef EFI (FAT-12/16/32)
/dev/sdb1 overlaps with /dev/sdb2
GUID Partition Table detected, but does not seem to be used.
Partition Attrs Start Sector End Sector # of Sectors System
/dev/sdb1 + R 0 4,095,943 4,095,944 Data partition (Windows/Linux)
/dev/sdb2 + R 4,066,772 4,074,259 7,488 Data partition (Windows/Linux)
Attributes: R=Required, N=No Block IO, B=Legacy BIOS Bootable, +=More bits set
"blkid" output: ________________________________________________________________
Device UUID TYPE LABEL
/dev/loop0 squashfs
/dev/loop1 squashfs
/dev/loop2 squashfs
/dev/loop3 squashfs
/dev/loop4 squashfs
/dev/loop5 squashfs
/dev/loop6 squashfs
/dev/loop7 squashfs
/dev/loop8 squashfs
/dev/sdb1 2019-04-16-19-19-59-00 iso9660 Ubuntu 19.04 amd64
/dev/sdb2 039E-EF17 vfat
========================= "ls -l /dev/disk/by-id" output: ======================
total 0
lrwxrwxrwx 1 root root 13 Jul 6 21:01 nvme-LENSE30256GMSP34MEAT3TA_1264213706737 -> ../../nvme0n1
lrwxrwxrwx 1 root root 13 Jul 6 21:01 nvme-eui.a032990bd30b6737 -> ../../nvme0n1
lrwxrwxrwx 1 root root 9 Jul 6 21:01 usb-General_USB_Flash_Disk_0501700000002710-0:0 -> ../../sdb
lrwxrwxrwx 1 root root 10 Jul 6 21:01 usb-General_USB_Flash_Disk_0501700000002710-0:0-part1 -> ../../sdb1
lrwxrwxrwx 1 root root 10 Jul 6 21:01 usb-General_USB_Flash_Disk_0501700000002710-0:0-part2 -> ../../sdb2
lrwxrwxrwx 1 root root 9 Jul 6 20:37 usb-Generic-_SD_MMC_20120501030900000-0:0 -> ../../sda
================================ Mount points: =================================
Device Mount_Point Type Options
/dev/loop0 /rofs squashfs (ro,noatime)
/dev/sdb /cdrom iso9660 (ro,noatime,nojoliet,check=s,map=n,blocksize=2048)
======================== Unknown MBRs/Boot Sectors/etc: ========================
Unknown MBR on /dev/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 |................|
00000160 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
00000170 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
00000180 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
00000190 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
000001a0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
000001b0 50 03 00 00 00 00 00 00 bf e7 f8 46 00 00 80 00 |P..........F....|
000001c0 01 00 00 7c e0 ff 00 00 00 00 00 80 3e 00 00 fe |...|........>...|
000001d0 ff ff ef fe ff ff d4 0d 3e 00 40 1d 00 00 00 00 |........>.@.....|
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
/dev/sdb1: unknown GPT attributes
1000000000000001
/dev/sdb2: unknown GPT attributes
1000000000000001
Unknown BootLoader on sdb1
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 50 03 00 00 00 00 00 00 bf e7 f8 46 00 00 80 00 |P..........F....|
000001c0 01 00 00 7c e0 ff 00 00 00 00 00 80 3e 00 00 fe |...|........>...|
000001d0 ff ff ef fe ff ff d4 0d 3e 00 40 1d 00 00 00 00 |........>.@.....|
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
========= Devices which don't seem to have a corresponding hard drive: =========
sda
=============================== StdErr Messages: ===============================
File descriptor 9 (/proc/6468/mountinfo) leaked on lvs invocation. Parent PID 11146: bash
ADDITIONAL INFORMATION :
=================== log of boot-repair 20190706_2101 ===================
boot-repair version : 4ppa65
boot-sav version : 4ppa65
boot-sav-extra version : 4ppa65
glade2script version : 3.2.3~ppa4
grub-probe: error: cannot find a GRUB drive for /dev/sdb1. Check your device.map.
Warning: The driver descriptor says the physical block size is 2048 bytes, but Linux says it is 512 bytes.
Error: /dev/nvme0n1: unrecognised disk label
boot-repair is executed in live-session (Ubuntu 19.04, disco, Ubuntu, x86_64)
CPU op-mode(s): 32-bit, 64-bit
Address sizes: 39 bits physical, 48 bits virtual
BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
ls: cannot access '/home/usr/.config': No such file or directory
=================== os-prober:
=================== blkid:
/dev/loop0: TYPE="squashfs"
/dev/loop1: TYPE="squashfs"
/dev/loop2: TYPE="squashfs"
/dev/loop3: TYPE="squashfs"
/dev/loop4: TYPE="squashfs"
/dev/loop5: TYPE="squashfs"
/dev/loop6: TYPE="squashfs"
/dev/loop7: TYPE="squashfs"
/dev/sdb1: UUID="2019-04-16-19-19-59-00" LABEL="Ubuntu 19.04 amd64" TYPE="iso9660" PTUUID="46f8e7bf" PTTYPE="dos" PARTUUID="46f8e7bf-01"
/dev/sdb2: SEC_TYPE="msdos" UUID="039E-EF17" TYPE="vfat" PARTUUID="46f8e7bf-02"
/dev/loop8: TYPE="squashfs"
/usr/share/boot-sav/bs-cmd_terminal.sh: line 179: warning: command substitution: ignored null byte in input
=================== efibootmgr -v
BootCurrent: 001C
Timeout: 0 seconds
BootOrder: 0000,0017,0018,0019,001A,001B,001C,001D,001E,001F
Boot0000* ubuntu HD(1,GPT,c64e1efa-8eda-4dae-b6f5-97f6eb0b2612,0x800,0x100000)/File(EFIubuntushimx64.efi)
Boot0010 Setup FvFile(721c8b66-426c-4e86-8e99-3457c46ab0b9)
Boot0011 Boot Menu FvFile(126a762d-5758-4fca-8531-201a7f57f850)
Boot0012 Diagnostic Splash Screen FvFile(a7d8d9a6-6ab0-4aeb-ad9d-163e59a7a380)
Boot0013 Lenovo Diagnostics FvFile(3f7e615b-0d45-4f80-88dc-26b234958560)
Boot0014 Startup Interrupt Menu FvFile(f46ee6f4-4785-43a3-923d-7f786c3c8479)
Boot0015 Rescue and Recovery FvFile(665d3f60-ad3e-4cad-8e26-db46eee9f1b5)
Boot0016 MEBx Hot Key FvFile(ac6fd56a-3d41-4efd-a1b9-870293811a28)
Boot0017* USB CD VenMsg(bc7838d2-0f82-4d60-8316-c068ee79d25b,86701296aa5a7848b66cd49dd3ba6a55)
Boot0018* USB FDD VenMsg(bc7838d2-0f82-4d60-8316-c068ee79d25b,6ff015a28830b543a8b8641009461e49)
Boot0019* NVMe0 VenMsg(bc7838d2-0f82-4d60-8316-c068ee79d25b,001c199932d94c4eae9aa0b6e98eb8a400)
Boot001A* NVMe1 VenMsg(bc7838d2-0f82-4d60-8316-c068ee79d25b,001c199932d94c4eae9aa0b6e98eb8a401)
Boot001B* ATA HDD0 VenMsg(bc7838d2-0f82-4d60-8316-c068ee79d25b,91af625956449f41a7b91f4f892ab0f600)
Boot001C* USB HDD VenMsg(bc7838d2-0f82-4d60-8316-c068ee79d25b,33e821aaaf33bc4789bd419f88c50803)
Boot001D* PCI LAN VenMsg(bc7838d2-0f82-4d60-8316-c068ee79d25b,78a84aaf2b2afc4ea79cf5cc8f3d3803)
Boot001E Other CD VenMsg(bc7838d2-0f82-4d60-8316-c068ee79d25b,aea2090adfde214e8b3a5e471856a35406)
Boot001F Other HDD VenMsg(bc7838d2-0f82-4d60-8316-c068ee79d25b,91af625956449f41a7b91f4f892ab0f606)
Boot0020* IDER BOOT CDROM PciRoot(0x0)/Pci(0x16,0x2)/Ata(0,1,0)
Boot0021* IDER BOOT Floppy PciRoot(0x0)/Pci(0x16,0x2)/Ata(0,0,0)
Boot0022* ATA HDD VenMsg(bc7838d2-0f82-4d60-8316-c068ee79d25b,91af625956449f41a7b91f4f892ab0f6)
Boot0023* ATAPI CD VenMsg(bc7838d2-0f82-4d60-8316-c068ee79d25b,aea2090adfde214e8b3a5e471856a354)
=================== UEFI/Legacy mode:
BIOS is EFI-compatible, and is setup in EFI-mode for this live-session.
SecureBoot disabled. (maybe sec-boot, Please report this message to boot.repair@gmail.com)
=================== PARTITIONS & DISKS:
=================== parted -lm:
BYT;
/dev/sdb:4024MB:scsi:512:512:unknown:General USB Flash Disk:;
BYT;
/dev/nvme0n1:256GB:nvme:512:512:unknown:LENSE30256GMSP34MEAT3TA:;
=================== lsblk:
KNAME TYPE FSTYPE SIZE LABEL
loop0 loop squashfs 1.9G
loop1 loop squashfs 89.3M
loop2 loop squashfs 53.7M
loop3 loop squashfs 151M
loop4 loop squashfs 4M
loop5 loop squashfs 14.8M
loop6 loop squashfs 1008K
loop7 loop squashfs 3.7M
loop8 loop squashfs 35.3M
sdb disk iso9660 3.8G Ubuntu 19.04 amd64
sdb1 part iso9660 2G Ubuntu 19.04 amd64
sdb2 part vfat 3.7M Ubuntu 19.04 amd64
nvme0n1 disk 238.5G
KNAME ROTA RO RM STATE MOUNTPOINT
loop0 1 1 0 /rofs
loop1 1 1 0 /snap/core/6673
loop2 1 1 0 /snap/core18/941
loop3 1 1 0 /snap/gnome-3-28-1804/31
loop4 1 1 0 /snap/gnome-calculator/406
loop5 1 1 0 /snap/gnome-characters/254
loop6 1 1 0 /snap/gnome-logs/61
loop7 1 1 0 /snap/gnome-system-monitor/77
loop8 1 1 0 /snap/gtk-common-themes/1198
sdb 1 0 1 running /cdrom
sdb1 1 0 1
sdb2 1 0 1
nvme0n1 0 0 0 live
=================== mount:
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
udev on /dev type devtmpfs (rw,nosuid,relatime,size=8048756k,nr_inodes=2012189,mode=755)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,noexec,relatime,size=1614732k,mode=755)
/dev/sdb on /cdrom type iso9660 (ro,noatime,nojoliet,check=s,map=n,blocksize=2048)
/dev/loop0 on /rofs type squashfs (ro,noatime)
/cow on / type overlay (rw,relatime,lowerdir=//filesystem.squashfs,upperdir=/cow/upper,workdir=/cow/work)
securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k)
tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755)
cgroup2 on /sys/fs/cgroup/unified type cgroup2 (rw,nosuid,nodev,noexec,relatime,nsdelegate)
cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,name=systemd)
pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)
efivarfs on /sys/firmware/efi/efivars type efivarfs (rw,nosuid,nodev,noexec,relatime)
bpf on /sys/fs/bpf type bpf (rw,nosuid,nodev,noexec,relatime,mode=700)
cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset)
cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices)
cgroup on /sys/fs/cgroup/pids type cgroup (rw,nosuid,nodev,noexec,relatime,pids)
cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (rw,nosuid,nodev,noexec,relatime,net_cls,net_prio)
cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event)
cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory)
cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb)
cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio)
cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpu,cpuacct)
cgroup on /sys/fs/cgroup/rdma type cgroup (rw,nosuid,nodev,noexec,relatime,rdma)
cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=28,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=14832)
mqueue on /dev/mqueue type mqueue (rw,relatime)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,pagesize=2M)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
configfs on /sys/kernel/config type configfs (rw,relatime)
fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev,relatime)
tmpfs on /run/user/999 type tmpfs (rw,nosuid,nodev,relatime,size=1614728k,mode=700,uid=999,gid=999)
gvfsd-fuse on /run/user/999/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,relatime,user_id=999,group_id=999)
/var/lib/snapd/snaps/core_6673.snap on /snap/core/6673 type squashfs (ro,nodev,relatime,x-gdu.hide)
/var/lib/snapd/snaps/core18_941.snap on /snap/core18/941 type squashfs (ro,nodev,relatime,x-gdu.hide)
/var/lib/snapd/snaps/gnome-3-28-1804_31.snap on /snap/gnome-3-28-1804/31 type squashfs (ro,nodev,relatime,x-gdu.hide)
/var/lib/snapd/snaps/gnome-calculator_406.snap on /snap/gnome-calculator/406 type squashfs (ro,nodev,relatime,x-gdu.hide)
/var/lib/snapd/snaps/gnome-characters_254.snap on /snap/gnome-characters/254 type squashfs (ro,nodev,relatime,x-gdu.hide)
/var/lib/snapd/snaps/gnome-logs_61.snap on /snap/gnome-logs/61 type squashfs (ro,nodev,relatime,x-gdu.hide)
/var/lib/snapd/snaps/gnome-system-monitor_77.snap on /snap/gnome-system-monitor/77 type squashfs (ro,nodev,relatime,x-gdu.hide)
/var/lib/snapd/snaps/gtk-common-themes_1198.snap on /snap/gtk-common-themes/1198 type squashfs (ro,nodev,relatime,x-gdu.hide)
=================== ls:
/sys/block/nvme0n1 (filtered): alignment_offset bdi capability dev device discard_alignment eui ext_range hidden holders inflight integrity lightnvm mq nsid power queue range removable ro size slaves stat subsystem trace uevent wwid
/sys/block/sda (filtered): alignment_offset bdi capability dev device discard_alignment events events_async events_poll_msecs ext_range hidden holders inflight integrity mq power queue range removable ro size slaves stat subsystem trace uevent
/sys/block/sdb (filtered): alignment_offset bdi capability dev device discard_alignment events events_async events_poll_msecs ext_range hidden holders inflight integrity mq power queue range removable ro sdb1 sdb2 size slaves stat subsystem trace uevent
/dev (filtered): acpi_thermal_rel autofs block bsg btrfs-control bus char console core cpu cpu_dma_latency cuse disk dri drm_dp_aux0 drm_dp_aux1 drm_dp_aux2 ecryptfs fb0 fd full fuse hidraw0 hidraw1 hidraw2 hpet hugepages hwrng i2c-0 i2c-1 i2c-2 i2c-3 i2c-4 i2c-5 i2c-6 initctl input kmsg kvm lightnvm log mapper mcelog media0 media1 mei0 mem memory_bandwidth mqueue net network_latency network_throughput null nvme0 nvme0n1 port ppp psaux ptmx ptp0 pts random rfkill rtc rtc0 sda sdb sdb1 sdb2 sg0 sg1 shm snapshot snd stderr stdin stdout tpm0 tpmrm0 udmabuf uhid uinput urandom usb userio v4l vfio vga_arbiter vhci vhost-net vhost-vsock video0 video1 video2 video3 zero
ls /dev/mapper: control
=================== df -Th:
Filesystem Type Size Used Avail Use% Mounted on
udev devtmpfs 7.7G 0 7.7G 0% /dev
tmpfs tmpfs 1.6G 2.0M 1.6G 1% /run
/dev/sdb iso9660 2.0G 2.0G 0 100% /cdrom
/dev/loop0 squashfs 1.9G 1.9G 0 100% /rofs
/cow overlay 7.7G 463M 7.3G 6% /
tmpfs tmpfs 7.7G 0 7.7G 0% /dev/shm
tmpfs tmpfs 5.0M 4.0K 5.0M 1% /run/lock
tmpfs tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup
tmpfs tmpfs 7.7G 4.0K 7.7G 1% /tmp
tmpfs tmpfs 1.6G 56K 1.6G 1% /run/user/999
/dev/loop1 squashfs 90M 90M 0 100% /snap/core/6673
/dev/loop2 squashfs 54M 54M 0 100% /snap/core18/941
/dev/loop3 squashfs 152M 152M 0 100% /snap/gnome-3-28-1804/31
/dev/loop4 squashfs 4.2M 4.2M 0 100% /snap/gnome-calculator/406
/dev/loop5 squashfs 15M 15M 0 100% /snap/gnome-characters/254
/dev/loop6 squashfs 1.0M 1.0M 0 100% /snap/gnome-logs/61
/dev/loop7 squashfs 3.8M 3.8M 0 100% /snap/gnome-system-monitor/77
/dev/loop8 squashfs 36M 36M 0 100% /snap/gtk-common-themes/1198
=================== fdisk -l:
Disk /dev/loop0: 1.9 GiB, 2027323392 bytes, 3959616 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/loop1: 89.3 MiB, 93581312 bytes, 182776 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/loop2: 53.7 MiB, 56315904 bytes, 109992 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/loop3: 151 MiB, 158343168 bytes, 309264 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/loop4: 4 MiB, 4218880 bytes, 8240 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/loop5: 14.8 MiB, 15462400 bytes, 30200 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/loop6: 1008 KiB, 1032192 bytes, 2016 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/loop7: 3.7 MiB, 3821568 bytes, 7464 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/nvme0n1: 238.5 GiB, 256060514304 bytes, 500118192 sectors
Disk model: LENSE30256GMSP34MEAT3TA
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk /dev/sdb: 3.8 GiB, 4024434688 bytes, 7860224 sectors
Disk model: USB Flash Disk
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x46f8e7bf
Device Boot Start End Sectors Size Id Type
/dev/sdb1 * 0 4095999 4096000 2G 0 Empty
/dev/sdb2 4066772 4074259 7488 3.7M ef EFI (FAT-12/16/32)
Disk /dev/loop8: 35.3 MiB, 37027840 bytes, 72320 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Error: no partitions
=================== Suggested repair
The default repair of the Boot-Repair utility would not act on the MBR.
Additional repair would be performed: repair-filesystems
=================== User settings
The settings chosen by the user will not act on the boot.