[Bug 1808932] [NEW] Ubuntu 18-04 lts craches at about 75% installation

[David Hostin]

Public bug reported:

I don't know exaclty but my ubuntu installation crashes at about 75% installation.
The message error says : i/o error, DVD must be haltered, etc...
The installation crashes on my new PC (ryzen 3 2200g on an asrock fatality AB350 mini itx... 8Go DDR4 2666Mhz, ...). It crashes also at probably same point in virtual box.

My ubuntu image comes from ubuntu.com because it's the only one that boots in efi mode.
It's downloaded from a french mirror server.
I've got no other information to say.
Thanks for help.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubiquity 18.04.14.6
ProcVersionSignature: Ubuntu 4.15.0-29.31-generic 4.15.18
Uname: Linux 4.15.0-29-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
CasperVersion: 1.394
Date: Tue Dec 18 08:47:06 2018
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
LiveMediaBuild: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

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


** Tags: amd64 apport-bug bionic ubiquity-18.04.14.6 ubuntu

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https://bugs.launchpad.net/bugs/1808932

Title:
  Ubuntu 18-04 lts craches at about 75% installation

Status in ubiquity package in Ubuntu:
  New

Bug description:
  I don't know exaclty but my ubuntu installation crashes at about 75% installation.
  The message error says : i/o error, DVD must be haltered, etc...
  The installation crashes on my new PC (ryzen 3 2200g on an asrock fatality AB350 mini itx... 8Go DDR4 2666Mhz, ...). It crashes also at probably same point in virtual box.

  My ubuntu image comes from ubuntu.com because it's the only one that boots in efi mode.
  It's downloaded from a french mirror server.
  I've got no other information to say.
  Thanks for help.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubiquity 18.04.14.6
  ProcVersionSignature: Ubuntu 4.15.0-29.31-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  CasperVersion: 1.394
  Date: Tue Dec 18 08:47:06 2018
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
  LiveMediaBuild: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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