[Bug 1423830] Re: Ubiquity hangs if the ESP can not be mounted

[Igor Polyakov]

I had the same error as #5 installing Ubuntu 18.04

I ended up finding a solution from an SO post from 2015 (!)

https://askubuntu.com/questions/502307/the-attempt-to-mount-a-file-
system-with-type-vfat-in-ssi10-0-0-partition1sda

mkfs.vfat /dev/sdb1 worked for me to format the EFI partition and the
installer worked when I rebooted and tried it again

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https://bugs.launchpad.net/bugs/1423830

Title:
  Ubiquity hangs if the ESP can not be mounted

Status in ubiquity package in Ubuntu:
  Confirmed

Bug description:
  I'm not altogether certain what happened here because I'm almost
  totally new to the whole EFI boot process but I was testing Ubuntu
  GNOME Vivid 20150219 amd64 to see how we now handle upgrades via iso
  in a dual boot with Windows and the upgrade/installation froze saying,
  "Removing conflicting operating system files....".

  I sent myself several pictures via PM because I couldn't "kill"
  ubiquity - top doesn't even show it running - so I'll follow up more
  later. I am attaching one screenshot of the frozen process.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: ubiquity 2.21.11
  ProcVersionSignature: Ubuntu 3.18.0-13.14-generic 3.18.5
  Uname: Linux 3.18.0-13-generic x86_64
  ApportVersion: 2.16.1-0ubuntu2
  Architecture: amd64
  CasperVersion: 1.351
  CurrentDesktop: GNOME
  Date: Fri Feb 20 02:27:54 2015
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu-gnome.seed boot=casper quiet splash --
  LiveMediaBuild: Ubuntu-GNOME 15.04 "Vivid Vervet" - Alpha amd64 (20150219)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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