[Bug 1832643] [NEW] Installer crash on RAID system

[Paul Crawford]

Public bug reported:

Trying to install 18.04.2 on to existing assembled RAID system. Got to
the grub installation phase and it then generated an error dialogue
window saing it could not install to /dev/sda /dev/sdb (the usual for
RAID) but none of the alternatives in the radio button choice actually
allowed a continuation.

If it could not do the grub step then the alternatives ought to at least
work!

$ lsb_release -rd
Description:	Ubuntu 18.04.2 LTS
Release:	18.04

$ apt-cache policy ubiquity
ubiquity:
  Installed: 18.04.14.12
  Candidate: 18.04.14.12
  Version table:
 *** 18.04.14.12 500
        500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     18.04.14 500
        500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubiquity 18.04.14.12
ProcVersionSignature: Ubuntu 4.18.0-15.16~18.04.1-generic 4.18.20
Uname: Linux 4.18.0-15-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
CasperVersion: 1.394
Date: Wed Jun 12 21:22:17 2019
InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd quiet splash ---
LiveMediaBuild: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: grub-installer (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug bionic ubiquity-18.04.14.12 ubuntu

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https://bugs.launchpad.net/bugs/1832643

Title:
  Installer crash on RAID system

Status in grub-installer package in Ubuntu:
  New

Bug description:
  Trying to install 18.04.2 on to existing assembled RAID system. Got to
  the grub installation phase and it then generated an error dialogue
  window saing it could not install to /dev/sda /dev/sdb (the usual for
  RAID) but none of the alternatives in the radio button choice actually
  allowed a continuation.

  If it could not do the grub step then the alternatives ought to at
  least work!

  $ lsb_release -rd
  Description:	Ubuntu 18.04.2 LTS
  Release:	18.04

  $ apt-cache policy ubiquity
  ubiquity:
    Installed: 18.04.14.12
    Candidate: 18.04.14.12
    Version table:
   *** 18.04.14.12 500
          500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
          100 /var/lib/dpkg/status
       18.04.14 500
          500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubiquity 18.04.14.12
  ProcVersionSignature: Ubuntu 4.18.0-15.16~18.04.1-generic 4.18.20
  Uname: Linux 4.18.0-15-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.5
  Architecture: amd64
  CasperVersion: 1.394
  Date: Wed Jun 12 21:22:17 2019
  InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd quiet splash ---
  LiveMediaBuild: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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