[Bug 1901137] Re: UEFI on Legacy - grub-install fails due to no space left on ESP

[Matt]

For me, it seems that the installer is ignoring my setting on where to
install MBR (on the Something else... partition screen of the
installer). I confirmed that the selected device both has an EFI
partition, and that the EFI Partition has space (more than 200 MB). I am
booting off external SD card reader, where I installed the Live
Installer. Note the live installer EFI partition is only 5MB. I
deselected the EFI partition from the liveinstall card ("Do not use this
partition") and tried setting the "Install MBR to device" setting to
both the internal SD disk device, and the specific partition. (If this
isn't the same problem as here, recommend reopening 1902438)

I am able to mount and view the desired EFI Partition from the
livesession.

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https://bugs.launchpad.net/bugs/1901137

Title:
  UEFI on Legacy - grub-install fails due to no space left on ESP

Status in ubiquity package in Ubuntu:
  Triaged

Bug description:
  The system has PCLinuxOS on sda1 and sda2 Linux Mint 20 on sda9 and
  sda10 Windows 7 on sdb1 Windows 10 on sdb2

  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
  CasperMD5CheckResult: pass
  CasperVersion: 1.455
  Date: Fri Oct 23 12:26:45 2020
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu-mate.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu-MATE 20.10 "Groovy Gorilla" - Release amd64 (20201022)
  RebootRequiredPkgs:
   linux-image-5.8.0-25-generic
   linux-base
   linux-base
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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