I rebooted ubuntu 22.04 today and it could not find the root drive and I kept being dropped to a root shell. Correlation does not prove causality, but I find it very odd that nvme0n1p5 is mounted at both / (correct) and /var/snap/firefox/common/host-hunspell (incorrect). Not sure if this is a mount/fstab thing or a snap thing or what...

$ lsblk 
├─nvme0n1p4 259:4    0     1G  0 part 
├─nvme0n1p5 259:5    0  29.3G  0 part /var/snap/firefox/common/host-hunspell
│                                     /
├─nvme0n1p6 259:6    0   8.2G  0 part [SWAP]

I changed fstab to use the PARTUUID instead of the UUID and it finally booted, but I would like to address this issue.

$ snap list
Name                            Version             Rev    Tracking         Publisher   Notes
bare                            1.0                 5      latest/stable    canonical✓  base
core20                          20220826            1623   latest/stable    canonical✓  base
firefox                         105.0-2             1860   latest/stable/…  mozilla✓    -
gnome-3-38-2004                 0+git.891e5bc       115    latest/stable/…  canonical✓  -
gtk-common-themes               0.1-81-g442e511     1535   latest/stable/…  canonical✓  -
hunspell-dictionaries-1-7-2004  1.7-20.04+pkg-6fd6  2      latest/stable    brlin       -
snap-store                      41.3-64-g512c0ff    599    latest/stable/…  canonical✓  -
snapd                           2.57.1              16778  latest/stable    canonical✓  snapd
snapd-desktop-integration       0.1                 14     latest/stable/…  canonical✓  -
  • In my Ubuntu Desktop 22.04.1 LTS lsblk sees the same extra mountpoint /var/snap/firefox/common/host-hunspell for the root partition. But the computer boots correctly using the UUID in fstab. I don't know what difference makes it boot correctly for me, but I have a SATA-SSD (not an nvme drive). My computer is a Dell Precision M4800. What's your computer (brand name and model)? I suspect that your boot problem was independent of the snap/firefox mountpoint, but I am not sure.
    – sudodus
    2 days ago
  • I built it: Gigabyte MB/BIOS and an Intel i5-3570K. Never had windows on it (except as a VM). I bet if you uninstall the hunspell snap (and build it from source) and remove ff snap, you'll get rid of that. I think someone needs to submit a bug...
    – bvargo
    2 days ago
  • Maybe this link can help you.
    – sudodus
    2 days ago
  • I'm actually seeing it across 3 22.04 computers now that I've had a chance to look at it...On the computer I mentioned last night, I see the same behavior on sda6 so it isn't an nvme issue and it happened on 2 dell laptops so it's not a gigabyte issue.
    – bvargo
  • I see, thanks for these details. What is the problem with the 2 other computers: there is the extra .../snap/firefox/... mountpoint, but are there boot problems too?
    – sudodus


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