[Bug 1900478] [NEW] Ubiquity not install Ubuntu 20.10

[Diego Germán Gonzalez]

Public bug reported:

Ubiquity not install Ubuntu 2010 when there are other operating systems on the disk. The same goes for Ubuntu Budgie 20.10
The problem does not occur in Kubuntu and Ubuntu Studio that use another installer (Calamares)
The error message indicates that grub cannot be installed and the installer stop.
The grub is normally displayed when the system is restarted, but the video card driver is not installed correctly

ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: ubiquity 20.10.12
ProcVersionSignature: Ubuntu 5.8.0-23.24-generic 5.8.14
Uname: Linux 5.8.0-23-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu50
Architecture: amd64
CasperMD5CheckResult: pass
CasperVersion: 1.455
Date: Mon Oct 19 15:13:26 2020
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
LiveMediaBuild: Ubuntu 20.10 "Groovy Gorilla" - Beta amd64 (20201019.1)
RebootRequiredPkgs:
 linux-image-5.8.0-25-generic
 linux-base
 linux-image-5.8.0-23-generic
 linux-base
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: ubiquity (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug groovy ubiquity-20.10.12 ubuntu

** Attachment added: "partman"
   https://bugs.launchpad.net/bugs/1900478/+attachment/5424339/+files/partman

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https://bugs.launchpad.net/bugs/1900478

Title:
  Ubiquity not install Ubuntu 20.10

Status in ubiquity package in Ubuntu:
  New

Bug description:
  Ubiquity not install Ubuntu 2010 when there are other operating systems on the disk. The same goes for Ubuntu Budgie 20.10
  The problem does not occur in Kubuntu and Ubuntu Studio that use another installer (Calamares)
  The error message indicates that grub cannot be installed and the installer stop.
  The grub is normally displayed when the system is restarted, but the video card driver is not installed correctly

  ProblemType: Bug
  DistroRelease: Ubuntu 20.10
  Package: ubiquity 20.10.12
  ProcVersionSignature: Ubuntu 5.8.0-23.24-generic 5.8.14
  Uname: Linux 5.8.0-23-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu50
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.455
  Date: Mon Oct 19 15:13:26 2020
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 20.10 "Groovy Gorilla" - Beta amd64 (20201019.1)
  RebootRequiredPkgs:
   linux-image-5.8.0-25-generic
   linux-base
   linux-image-5.8.0-23-generic
   linux-base
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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