[Bug 1921084] Re: Hirsute can not read FAT32

[Earl]

Hirsute build 26 March

If I look with GParted at USB sticks that have never had anything to do
with Hirsute, there is no problem with reading FAT32 partition files.

However, for FAT32 partitions created with Hirsute, they can not be
read.

So the question arises whether Hirsute has a problem correctly writing
FAT32 partitions?  If yes, then of course these FAT32 partitions can not
be read because they have been created with errors.  Also the FAT32 EFI
partition will be incorrectly created, thereby generating grub-install
failure.

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https://bugs.launchpad.net/bugs/1921084

Title:
  Hirsute can not read FAT32

Status in grub-installer package in Ubuntu:
  New

Bug description:
  this bug is *NOT* related to the installer nor grub-install, in my
  opinion.

  Hirsute GParted can not read (and write??) data on any FAT32
  partition.

  In fact, GParted says:

  "WARNING unable to read the contents of this (FAT32) file system!
  Because of this some operations may be unavailable.  The cause might
  be a missing software package.  The following list of software
  packages is required for fat32 file system support:  dosfstools,
  mtools."

  However, it appears that dosfstools and mtools packages are not
  missing, therefore the bug is somewhere else.

  If I remember correctly, this does not happen with Umate 20.04, only
  Hirsute.

  I replicate this bug with every new daily Hirsute build, including 24
  March.

  Easy to confirm by using GParted to select a FAT32 partition, right
  click, select information.

  ProblemType: Bug
  DistroRelease: Ubuntu 21.04
  Package: ubiquity 21.04.11
  ProcVersionSignature: Ubuntu 5.11.0-11.12-generic 5.11.0
  Uname: Linux 5.11.0-11-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu60
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.461
  Date: Wed Mar 24 08:58:40 2021
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz nomodeset file=/cdrom/preseed/ubuntu-mate.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu-MATE 21.04 "Hirsute Hippo" - Alpha amd64 (20210324)
  RebootRequiredPkgs:
   linux-image-5.11.0-11-generic
   linux-base
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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