failure in fsck option of advanced boot

Bug #1807537 reported by Kevin O'Gorman on 2018-12-08
This bug affects 7 people
Affects Status Importance Assigned to Milestone
grub2 (Ubuntu)

Bug Description

I ran into this first on a 16.04.5 install I have. I just retried it on a new laptop with 18.04.1 with the same result.

When booting, I chose the advanced form, the rescue variant, and tried to use its fsck option. This failed almost immediately. I'm attaching a photo of the screen showing the error, but the text is

/lib/recovery-mode/recovery-menu: line 80: /etc/default/rcS: No such file or directory

/dev/nvme0n1p5 is mounted.

e2fsck: Cannot continue, aborting.

Thus there seems to be no point in having this fsck option because it is doomed to fail. Well, at least in the absence of further guidance about how to use this.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: grub-common 2.02-2ubuntu8.9
ProcVersionSignature: Ubuntu 4.15.0-42.45-generic 4.15.18
Uname: Linux 4.15.0-42-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
Date: Sat Dec 8 13:52:47 2018
InstallationDate: Installed on 2018-10-18 (51 days ago)
InstallationMedia: Xubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
SourcePackage: grub2
UpgradeStatus: No upgrade log present (probably fresh install)

Tim Passingham (tim-8aw3u04umo) wrote :

I had exactly the same problem. I'm running 18.10, grub2-common 2.02+dfsg1-5ubuntu8

If I go to root from the recovery menu, my root disk is already mounted, and umount says it is busy, so I can't fsck from there either.

Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in grub2 (Ubuntu):
status: New → Confirmed
Belen Guaranda (bellengc) wrote :

Same issue with Ubuntu 18.04 and kernel version 4.20.0, Asus zenbook ux533fd

Chris Guiver (guiverc) wrote :

I had a look at the recovery-fsck option on this in exploring and had this issue.

This install is pretty fresh with almost no use as it was Xubuntu 19.10 (daily) QA-Test install of only a few days ago (manual partitioning on single partition; ext4)

guiverc@d780-xub:~$ apt-cache policy grub2
  Installed: (none)
  Candidate: 2.02+dfsg1-12ubuntu3
  Version table:
     2.02+dfsg1-12ubuntu3 500
        500 eoan/universe amd64 Packages

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