Public bug reported:
I am running Ubuntu 14.04 on a computer with three harddisks. I need to
install 16.04 on a specific disk so I disconnected two of the three
disks and booted the 16.04 install via USB (EFI).
The disk in question at that time hosted an encrypted LVM volume with
data only which I was able to mount in the 16.04 live system using
Nautilus (but not access, possibly due to mismatching user IDs).
I started the installer on the desktop and selected to install updates and
encrypt the system.
I clicked through UNTIL the point where an additional popup window told me that
it would now format the disks with the following layout (...) if I proceed.
At that point I backed out and clicked "Back" several times, going back
several steps until the point where I could choose whether to use LVM
and encryption. Then I closed the installer.
At that point, my target disk - which held a data partition before - was
already formatted although I had backed out of the installer:
Medium /dev/sda: 465.8 GiB, 500107862016 Bytes, 976773168 Sektoren
Gerät Start Ende Sektoren Größe Typ
/dev/sda1 2048 1050623 1048576 512M EFI System
/dev/sda2 1050624 2050047 999424 488M Linux filesystem
/dev/sda3 2050048 976771071 974721024 464.8G Linux filesystem
I am *100% sure* I did *not* click on "Proceed" at the prompt where the
partitioning layout was shown.
Please try to reproduce this, if it is reproducible it is a serious bug.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubiquity 2.21.63
ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
Uname: Linux 4.4.0-21-generic x86_64
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
CasperVersion: 1.376
CurrentDesktop: Unity
Date: Sun May 29 19:33:32 2016
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed
boot=casper quiet splash ---
LiveMediaBuild: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: ubiquity (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug ubiquity-2.21.63 ubuntu xenial
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https://bugs.launchpad.net/bugs/1586825
Title:
installer formats disk although I backed out!
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