Public bug reported:
Tried to reinstall Ubuntu 16.04 from a Live USB stick, since the
original install did not dual boot between Windows10 and Ubuntu. In
between I tried several Bios/Uefi options (....grrr) and had to
reinstall Windows10 to be able to boot the Dell Latitude Ultrabook 6430u
at all. Ubuntu reinstall fails at grub2 installation (pacakage grub-efi-
amd64-signal failed to install into /target/.). Tried to reinstall with
several options (download updates y/n and third partiy software y/n) and
also with a fresh live-usb. Fails in all cases. In Windows10:
\EFI\ubuntu directory seemed corrupt, has no files.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubiquity 2.21.63.3
ProcVersionSignature: Ubuntu 4.8.0-36.36~16.04.1-generic 4.8.11
Uname: Linux 4.8.0-36-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
CasperVersion: 1.376.2
Date: Sun Apr 16 14:27:35 2017
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed
boot=casper quiet splash ---
LiveMediaBuild: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: grub-installer (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug ubiquity-2.21.63.3 ubuntu xenial
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https://bugs.launchpad.net/bugs/1683140
Title:
live-usb installer failed at grub2 installation
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