Public bug reported:
Trying a dual boot install.
/dev/sda is a Windows SSD and boots normally.
/dev/sdb is supposed to be the Ubuntu SSD, but grub will not install from the
graphical install program.
Command line install "sudo grub-install /dev/sdb" returns an error "failed to
get canonical path of `cow'."
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubiquity 18.04.14
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
CasperVersion: 1.394
Date: Wed Jul 25 14:50:19 2018
InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper
initrd=/casper/initrd.lz quiet splash --- maybe-ubiquity
LiveMediaBuild: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
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 ubuntu
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https://bugs.launchpad.net/bugs/1783631
Title:
Dual boot install - Grub install failed.
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