Public bug reported:
Hello,
I'm trying to install Ubuntu in dual boot with a pre-exhisting windows 8.1
system in EFI mode.
I've resized the main windows partition leaving free space, then tried to
install ubuntu.
Among the installing options I selected "others" to manually specify the
partitioning of my disk.
Created a swap partition and another one for "/", leaving the rest untouched.
Just specified /media/windows mount point for my main ntfs partition.
The installer works for a while, then raises an error while grub-efi-
amd64-signed. It then crashes, with a bug report mentioning package
ubiquity 2.18.8.9.
Tried again, this time the installer notices that the computer currently has a
windows boot manager and ubuntu 14.04.3 LTS on it. Tried by selecting "erase
ubuntu and reinstall", without success.
I am installing from a USB stick.
Boot is not in secure mode.
Can you please help me?
Thanks
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubiquity 2.18.8.9 [modified:
lib/partman/automatically_partition/question]
ProcVersionSignature: Ubuntu 3.19.0-25.26~14.04.1-generic 3.19.8-ckt2
Uname: Linux 3.19.0-25-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.11
Architecture: amd64
CasperVersion: 1.340.2
Date: Mon Sep 21 00:39:09 2015
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed
cdrom-detect/try-usb=true noprompt floppy.allowed_drive_mask=0 ignore_uuid
boot=casper only-ubiquity quiet splash --
LiveMediaBuild: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
ProcEnviron:
TERM=linux
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: grub-installer (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty ubiquity-2.18.8.9 ubuntu
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https://bugs.launchpad.net/bugs/1497790
Title:
Error trying to install ubuntu side by side with windows 8.1 in efi
mode. Installer crashes after signaling an error in installing grub-
efi-amd64-signed
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