Grub fails to install in a VirtualBox installation of Ubuntu MATE Groovy Aug 01, 2020

Grub fails to install in a VirtualBox installation of Ubuntu MATE Groovy Aug 01, 2020

Note: I am just trying to figure out what and how the installation setup have changed since Focal 20.04 to Groovy 20.10

Also, I have read this post:


but it sounds different issue from the one I am having.

I was having the exact same issue with July 06, 2020 ISO of Ubuntu MATE daily live too, and here are the bug reports I have filed:


The issue:
Though I’m trying to install Ubuntu MATE Groovy in a VirtualBox installation, I like to make it clear that, this is a desktop PC with old-style BIOS (No UEFI at all).
Also, EFI is not selected in VirtualBox settings.

Ubuntu MATE 20.10 daily live ISO I’m installing from is of Aug 01, 2020
VirtualBox version is: VirtualBox-6.1.97-139665-Linux_amd64, and it runs Ubuntu MATE 20.04 Focal with kernel version 5.7.11

When I first tried to install it with just two partitions (like I always have up until now),

(1) First EXT4 partition of 22GB, and
(2) Second SWAP partition of 3GB;

installer displayed:

“No EFI System Partition was found. This system will likely not be able to boot successfully, and the installation process may fail. Please go back and add an EFI System Partition, or continue at your own risk”.

and upon clicking Continue, it displayed:

“The partition table format in use on your disks normally requires you to create a separate partition for boot loader code. This partition should be marked as a “Reserved BIOS boot area” and should be at leat 1 MB in size. Note that thi is not the same as a partition mounted on /boot.

If you do not go back to the partitioning menu and correct this error, boot loader installation may fail later, although it may still be possible to install the boot loader to a partition”.

So I went back and created:
(1) EFI partition 1GB
(2) Reserved BIOS boot area partition 1GB
(3) / EXT4 partition 20GB
(4) SWAP partition 3GB

So even with “EFI” and “biosgrub” partitions, grub fails to install on either SDA/SDA1/SDA2/SDA3 with a message,

“Bootloader install failed: Sorry, an error occurred and it was not possible to install the bootloader at the specified location”.

Many thanks in advance.

Imgur albums:


July 06, 2020:

Aug  01, 2020:


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