Can't boot with linux-image-5.4.0-80

[ryyagi]

I installed Linux Mint 20.2 on mac mini 2018 to external usb ssd.

It worked fine with linux-image-5.4.0-74.
But after updating to linux-image-5.4.0-80, it fails to boot because it can't find the root disk.
(It shows the message "ALERT! UUID=XXXX does not exist. ..." at boot time and drop to busybox.)
I checked the /dev directory, and can't find /dev/sd* devices. In /proc/modules, usb_storage isn't contained.

How can I fix this problem?

[mikaelrask]

Hey welcome to the forum and linux mint. During boot hit the tab key boot to get in to grub menu and boot the kernel that works for you. second can you run this command in the terminal to give us some more computer information

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inxi -Fxxrzc0

. Second also run this command

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lsblk

. Post the result in your next post

good luck

[ryyagi]

Thank you for your reply.
I use rEFInd instead of grub and I could select old kernel by F2 key.

The result of the suggested commands:

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yagi@papaya:~$ inxi -Fxxrzc0
System:
  Kernel: 5.4.0-74-generic x86_64 bits: 64 compiler: gcc v: 9.3.0 
  Desktop: MATE 1.24.0 wm: marco dm: LightDM Distro: Linux Mint 20.2 Uma 
  base: Ubuntu 20.04 focal 
Machine:
  Type: Laptop System: Apple product: Macmini8,1 v: 1.0 serial: <filter> 
  Chassis: type: 9 v: Mac-7BA5B2DFE22DDD8C serial: <filter> 
  Mobo: Apple model: Mac-7BA5B2DFE22DDD8C v: Macmini8,1 serial: <filter> 
  UEFI: Apple v: 1554.140.20.0.0 (iBridge: 18.16.14759.0.1,0) 
  date: 06/22/2021 
CPU:
  Topology: 6-Core model: Intel Core i5-8500B bits: 64 type: MCP 
  arch: Kaby Lake rev: A L2 cache: 9216 KiB 
  flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx 
  bogomips: 36000 
  Speed: 900 MHz min/max: 800/4100 MHz Core speeds (MHz): 1: 900 2: 900 
  3: 900 4: 900 5: 900 6: 900 
Graphics:
  Device-1: Intel UHD Graphics 630 vendor: Apple driver: i915 v: kernel 
  bus ID: 00:02.0 chip ID: 8086:3e9b 
  Display: x11 server: X.Org 1.20.9 driver: modesetting unloaded: fbdev,vesa 
  compositor: marco resolution: 1920x1080~60Hz 
  OpenGL: renderer: Mesa Intel UHD Graphics 630 (CFL GT2) v: 4.6 Mesa 20.2.6 
  direct render: Yes 
Audio:
  Device-1: Intel Cannon Lake PCH cAVS driver: snd_hda_intel v: kernel 
  bus ID: 00:1f.3 chip ID: 8086:a348 
  Device-2: Apple Audio driver: N/A bus ID: 02:00.3 chip ID: 106b:1803 
  Device-3: Harman JBL Pebbles type: USB 
  driver: hid-generic,snd-usb-audio,usbhid bus ID: 1-14:4 chip ID: 05fc:0231 
  Sound Server: ALSA v: k5.4.0-74-generic 
Network:
  Device-1: Broadcom and subsidiaries BCM4364 802.11ac Wireless Network 
  Adapter 
  vendor: Apple driver: N/A port: 3040 bus ID: 03:00.0 chip ID: 14e4:4464 
  Device-2: Broadcom and subsidiaries NetXtreme BCM57766 Gigabit Ethernet 
  PCIe 
  vendor: Apple driver: tg3 v: 3.137 port: 3040 bus ID: 04:00.0 
  chip ID: 14e4:1686 
  IF: enp4s0 state: up speed: 1000 Mbps duplex: full mac: <filter> 
Drives:
  Local Storage: total: 1.14 TiB used: 190.83 GiB (16.4%) 
  ID-1: /dev/nvme0n1 vendor: Apple model: SSD AP0256M size: 233.76 GiB 
  speed: 31.6 Gb/s lanes: 4 serial: <filter> 
  ID-2: /dev/sda type: USB vendor: SanDisk model: SDSSDH3 1T00 
  size: 931.51 GiB serial: <filter> 
Partition:
  ID-1: / size: 517.06 GiB used: 8.44 GiB (1.6%) fs: ext4 dev: /dev/sda7 
  ID-2: /home size: 382.01 GiB used: 182.19 GiB (47.7%) fs: ext4 
  dev: /dev/sda8 
  ID-3: swap-1 size: 16.14 GiB used: 0 KiB (0.0%) fs: swap dev: /dev/sda9 
Sensors:
  System Temperatures: cpu: 60.0 C mobo: N/A 
  Fan Speeds (RPM): N/A 
Repos:
  No active apt repos in: /etc/apt/sources.list 
  Active apt repos in: /etc/apt/sources.list.d/google-chrome.list 
  1: deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main
  Active apt repos in: /etc/apt/sources.list.d/official-package-repositories.list 
  1: deb http://packages.linuxmint.com uma main upstream import backport #id:linuxmint_main
  2: deb http://archive.ubuntu.com/ubuntu focal main restricted universe multiverse
  3: deb http://archive.ubuntu.com/ubuntu focal-updates main restricted universe multiverse
  4: deb http://archive.ubuntu.com/ubuntu focal-backports main restricted universe multiverse
  5: deb http://security.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
  6: deb http://archive.canonical.com/ubuntu/ focal partner
Info:
  Processes: 243 Uptime: 4m Memory: 7.62 GiB used: 1012.1 MiB (13.0%) 
  Init: systemd v: 245 runlevel: 5 Compilers: gcc: 9.3.0 alt: 9 clang: N/A 
  Shell: bash v: 5.0.17 running in: mate-terminal inxi: 3.0.38

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yagi@papaya:~$ lsblk
NAME        MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda           8:0    0 931.5G  0 disk 
├─sda1        8:1    0   450M  0 part 
├─sda2        8:2    0   260M  0 part 
├─sda3        8:3    0   128M  0 part 
├─sda7        8:7    0 526.3G  0 part /
├─sda8        8:8    0 388.2G  0 part /home
└─sda9        8:9    0  16.1G  0 part [SWAP]
nvme0n1     259:0    0 233.8G  0 disk 
├─nvme0n1p1 259:1    0   300M  0 part /boot/efi
└─nvme0n1p2 259:2    0 233.5G  0 part

Best regards.

[Larry78723]

Please post the results of the following commands:

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blkid

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cat /etc/fstab

[Moonstone Man]

Thank you for your reply.
I use rEFInd instead of grub and I could select old kernel by F2 key.

The result of the suggested commands:

Unfortunately, with the exception of the inxi output, you've been given a bum steer. Please post the output of these two commands:

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lsblk -f

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cat /etc/fstab

[ryyagi]

Thank you for your confirmation.
Additional command results are as follows.

cat /etc/fstab

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yagi@papaya:~$ cat /etc/fstab
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
# / was on /dev/sda7 during installation
UUID=9560efa7-26b8-45ad-86ed-e6bf35448e2b /               ext4    errors=remount-ro 0       1
# /boot/efi was on /dev/nvme0n1p1 during installation
UUID=5F66-17ED  /boot/efi       vfat    umask=0077      0       1
# /home was on /dev/sda8 during installation
UUID=a137b39f-c04d-465a-b442-e1ee0c620baf /home           ext4    defaults        0       2
# swap was on /dev/sda9 during installation
UUID=321ec76f-31ee-4f26-871d-42291deafaf0 none            swap    sw              0       0

blkid

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yagi@papaya:~$ blkid
/dev/nvme0n1p1: LABEL_FATBOOT="EFI" LABEL="EFI" UUID="5F66-17ED" TYPE="vfat" PARTLABEL="EFI System Partition" PARTUUID="755fee52-775f-4d4b-85a7-3d127d2d61d4"
/dev/nvme0n1p2: UUID="a458f0b6-809c-46b7-a3a3-70789b0d4fcc" TYPE="apfs" PARTUUID="5b1a649a-2be9-4dd1-bcd0-b9acd684df28"
/dev/sda1: LABEL="System" UUID="B2BAF711BAF6D0B9" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="15d66a2d-7b25-11e2-97db-e19c05f15f7d"
/dev/sda2: UUID="74F8-3C16" TYPE="vfat" PARTLABEL="Basic data partition" PARTUUID="15d66a35-7b25-11e2-97db-e19c05f15f7d"
/dev/sda3: UUID="EA8EF9F28EF9B6E3" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="15d66a37-7b25-11e2-97db-e19c05f15f7d"
/dev/sda7: UUID="9560efa7-26b8-45ad-86ed-e6bf35448e2b" TYPE="ext4" PARTUUID="6d2d1e1a-c119-4adb-8c51-fcbcc29c33f0"
/dev/sda8: UUID="a137b39f-c04d-465a-b442-e1ee0c620baf" TYPE="ext4" PARTUUID="0961bd75-79c5-4ef1-91f4-c98acb84b73f"
/dev/sda9: UUID="321ec76f-31ee-4f26-871d-42291deafaf0" TYPE="swap" PARTUUID="a99816d2-af61-4ef6-92be-a6d5ad3df0af"

lsblk -f

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yagi@papaya:~$ lsblk -f
NAME        FSTYPE LABEL  UUID                                 FSAVAIL FSUSE% MOUNTPOINT
sda                                                                           
├─sda1      ntfs   System B2BAF711BAF6D0B9                                    
├─sda2      vfat          74F8-3C16                                           
├─sda3      ntfs          EA8EF9F28EF9B6E3                                    
├─sda7      ext4          9560efa7-26b8-45ad-86ed-e6bf35448e2b  482.3G     2% /
├─sda8      ext4          a137b39f-c04d-465a-b442-e1ee0c620baf  180.4G    48% /home
└─sda9      swap          321ec76f-31ee-4f26-871d-42291deafaf0                [SWAP]
nvme0n1                                                                       
├─nvme0n1p1 vfat   EFI    5F66-17ED                              95.4M    68% /boot/efi
└─nvme0n1p2 apfs          a458f0b6-809c-46b7-a3a3-70789b0d4fcc

[ryyagi]

With linux-image-5.4.0-80, after it failed to find the root disk, I unplugged the external ssd drive but no message was displayed.
(I connected the root disk via USB type-c port of mac mini. )

I connected another usb memory via USB type-c port using USB type-c type-a conversion cable, but no message was displayed as well.
When I connected the same usb memory via USB type-A port, it showed the messages of 'USB MASS Storage device detected'.

It seems that the usb device connected via USB type-c port of mac mini 2018 isn't recognized by linux-image-5.4.0-80.

[ryyagi]

I re-connected the external ssd root drive via USB type-a port and it suceeded in booting with linux-image-5.4.0-80.

[ryyagi]

I updated to linux-image-5.4.0-84-generic and this problem was solved.

[ryyagi]

With linux-image-5.4.0-90 or linux-image-5.4.0-91, the same issue occurs.