Bug#990876: (no subject)

[Steve McIntyre <steve@einval.com>]

Control: reassign -1 grub-efi-amd64

Hi Julian,

On Sat, Jul 10, 2021 at 09:45:04AM +0000, Julian Groß wrote:
>I just tried installing without changing the default partition table and just
>telling the installer to use the whole disk. Also fails on installing grub, but
>this time with a slightly different error message. See the attached logs.

OK, checking the log here (thanks for sending them!) the critical
piece is:

Jul 10 09:41:19 in-target: grub-install: Warnung: Cannot read EFI Boot* variables.^M
Jul 10 09:41:19 in-target: grub-install: Warnung: read_file: could not read from file: Eingabe-/Ausgabefehler.^M
Jul 10 09:41:19 in-target: grub-install: Warnung: vars_get_variable: read_file(/sys/firmware/efi/vars/Boot0007-8be4df61-93ca-11d2-aa0d-00e098032b8c/raw_var) failed: Eingabe-/Ausgabefehler.^M
Jul 10 09:41:19 in-target: grub-install: Warnung: efi_get_variable: ops->get_variable failed: Eingabe-/Ausgabefehler.^M
Jul 10 09:41:19 in-target: grub-install: Fehler: failed to register the EFI boot entry: Eingabe-/Ausgabefehler.^M
Jul 10 09:41:19 in-target: Failed: grub-install --target=x86_64-efi  ^M

This is odd behaviour - your system identified OK as UEFI earlier, but
the grub-install command is failing to even *read* the UEFI boot
variables. I've never seen that happen before. I'm hoping that our
main Grub maintainer Colin can follow this a little further...

-- 
Steve McIntyre, Cambridge, UK.                                steve@einval.com
Dance like no one's watching. Encrypt like everyone is.
 - @torproject