[Bug 1930633] Re: Existing EFI Boot partition for Windows 10 not detected by Ubuntu 21.04 install!

[Steve Langasek]

unfortunately, I can see nothing in the logs attached which would
explain this failure.  To the contrary, the logs clearly show that
partman correctly detects /dev/sda1 as an ESP.  There are exceptions
from ubiquity in the syslog, but they appear to be unrelated.

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https://bugs.launchpad.net/bugs/1930633

Title:
  Existing EFI Boot partition for Windows 10 not detected by Ubuntu
  21.04 install!

Status in ubiquity package in Ubuntu:
  New

Bug description:
  No EFI system partition was found.
  But there is a /boot/efi partition for Windows 10

  ProblemType: Bug
  DistroRelease: Ubuntu 21.04
  Package: ubiquity 21.04.19
  ProcVersionSignature: Ubuntu 5.11.0-16.17-generic 5.11.12
  Uname: Linux 5.11.0-16-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu65
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.461
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Jun  2 23:26:01 2021
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420)
  ProcEnviron:
   LANGUAGE=en_US.UTF-8
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   LC_NUMERIC=C.UTF-8
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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