Trying to install dual-boot ubuntu 18.0.4 with Windows 7
Error "The 'grub-efi-amd64-signed' package failed to install into /
target/. Without the grub bootloader, the installed software will not
boot."
Note: used gparted to create/format partitions,
/ (20MB)
/home (380GB)
During install, set mount point of / partition to "/"
mount point of /home to "/home".
Boot device was set to ATA ST2000DM001-1ER1 (/dev/stda), location of
Windows boot partition. That's the correct boot device for Windows,
anyway.
But installation failed after defining mount points, error message:
"...failed to install into /"
target/."
(spacing and CR/LF as shown).
Re-ran gparted and saw that / partition mount point had been changed to
/target and /home partition mount point was now undefined (blank).
Don't know if the new mount points are supposed to be intermediate
during install. If not, install is torching the mount points. Maybe
related somehow to grub install error?
gparted details before install ("-" designates blank field):
Partition File Sys Mount Point Label Size Used
Unused Flags
/dev/sda1 ntfs (blank) System Reserved 100.00 MiB 26.91 MiB
73.09 MiB boot
/dev/sda2 ntfs (blank) C(C:) 1.44 TiB 812.01 MiB
660.28 GiB -
/dev/sda3 ext4 / / 20.00 0.0 GiB
25.00 GiB -
/dev/sda4 ext4 /home /home 380.00 GiB 0.0 GiB
364.20 GiB -
gparted details after install error:
Partition File Sys Mount Point Label Size Used
Unused Flags
/dev/sda1 ntfs - System Reserved 100.00 MiB 26.91 MiB
73.09 MiB boot
/dev/sda2 ntfs - C(C:) 1.44 TiB 812.01 MiB
660.28 GiB -
/dev/sda3 ext4 /target (blank) 19.53 GiB 6.30 GiB
13.23 GiB -
/dev/sda4 ext4 - (blank) 371.09 GiB 6.89 GiB
364.20 GiB -
System:
Dell XPS 8700
Intel Core i7-3770
HDD 2.0 TiB
Windows 7 Home Premium x64
Final note: Installed OK on Dell Alienware laptop 17 R3
Intel core i7 6700HQ
Windows 10 Home
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https://bugs.launchpad.net/bugs/1766945
Title:
(EFI on top of legacy install) choosing "replace" or "resize" options
in partitioning may lead to an install failure
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/partman-auto/+bug/1766945/+subscriptions
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