Thanks for your report. It's because the EFI partition is full
Oct 23 06:55:22 ubuntu-mate grub-installer: grub-install: error: cannot copy
`/usr/lib/grub/x86_64-efi-signed/grubx64.efi.signed' to
`/boot/efi/EFI/ubuntu/grubx64.efi': No space left on device.
Oct 23 06:55:22 ubuntu-mate grub-installer: error: Running 'grub-install
--force --target x86_64-efi "/dev/sdb7"' failed.
** Summary changed:
- I tried to install a fresh install of Ubuntu-Mate 20.10 on a machine which
has other OSS also in a Multiboot System. After completing the installation it
is unable to Install Grub and failed. I tried to install on ?dev/sda , /dev/sdb
and also /dev/sdb7 the partition where I have tried to install the Ubuntu
Mate-20.10 . The grub failed to install in all the three attempts. The
installer fails at the stage when it tries "grub-install".
+ grub-install fails due to no space left on ESP
** Changed in: ubiquity (Ubuntu)
Status: New => Triaged
** Tags added: rls-hh-incoming
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https://bugs.launchpad.net/bugs/1901137
Title:
grub-install fails due to no space left on ESP
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