[Bug 1916639] Re: failed to write the boot onto EFI partition alongside Win7

[Claudio Chiani]

my 100MB win reserved partition was visible on win as D: 
this is very unusual

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https://bugs.launchpad.net/bugs/1916639

Title:
  failed to write the boot onto EFI partition alongside Win7

Status in ubiquity package in Ubuntu:
  New

Bug description:
  After installation of Windows 7 ultimate onto SSD I shrinked the
  original size in order to make room for Ubuntu 2020-04 - the
  installation manager notified me that an EFI partition was need, I
  added it but the finalization failed

  ProblemType: Bug
  DistroRelease: Ubuntu 20.10
  Package: ubiquity 20.10.13
  ProcVersionSignature: Ubuntu 5.8.0-25.26-generic 5.8.14
  Uname: Linux 5.8.0-25-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu50
  Architecture: amd64
  CasperMD5CheckMismatches: ./pool/restricted/n/nvidia-graphics-drivers-390/libnvidia-ifr1-390_390.138-0ubuntu2_amd64.deb
  CasperMD5CheckResult: skip
  CasperVersion: 1.455
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Feb 23 14:49:30 2021
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022)
  ProcEnviron:
   LANGUAGE=en_US.UTF-8
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   LC_NUMERIC=C.UTF-8
  RebootRequiredPkgs:
   linux-image-5.8.0-25-generic
   linux-base
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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