Hi Leah, On Wed, Jul 31, 2019 at 10:19:19AM +0200, Leah Oswald wrote: >Package: debian-installer >Version: 20190702 >Severity: important >Tags: d-i > >Hey, we tried to install debian buster with our preseed file (see: >https://paste.debian.net/hidden/ecde0369/) that was working with debian >stretch. >Now the installation fails at installing the grub dummy ("Unable to install >GRUB in dummy | Executing "grub-install dummy failed.""). > >The syslog of the installer gives a hint to a missing access to the efi >variables: >Jul 30 15:40:04 grub-installer: info: Installing grub on 'dummy' >Jul 30 15:40:04 grub-installer: info: grub-install does not support --no-floppy >Jul 30 15:40:04 grub-installer: info: Running chroot /target grub-install >--force "dummy" >Jul 30 15:40:04 grub-installer: Installing for x86_64-efi platform. >Jul 30 15:40:06 grub-installer: grub-install: warning: Cannot read EFI Boot* >variables. >Jul 30 15:40:06 grub-installer: grub-install: warning: read_file: could not >read from file: Input/output error. >Jul 30 15:40:06 grub-installer: grub-install: warning: vars_get_variable: >read_file(/sys/firmware/efi/vars/Boot0001-8be4df61-93ca-11d2-aa0d-00e098032b8c/raw_var) > failed: Input/output error. >Jul 30 15:40:06 grub-installer: grub-install: warning: efi_get_variable: >ops->get_variable failed: Input/output error. >Jul 30 15:40:06 grub-installer: grub-install: error: failed to register the >EFI boot entry: Input/output error. >Jul 30 15:40:06 grub-installer: error: Running 'grub-install --force "dummy"' >failed. > >After manually mounting the efivarfs the installation of the grub dummy works. >We could work arround this issue by adding the following line to our preseed >file, but this shouldn't be the solution rather than a workarround. > >d-i preseed/late_command string in-target sh -c "mount -t efivarfs efivarfs >/sys/firmware/efi/efivars; grub-install; update-grub;"
Hmmm, that's odd. I'd expect the efivarfs stuff to Just Work (TM) for you. Can you share a full syslog please? Curious to see what's going on. -- Steve McIntyre, Cambridge, UK. st...@einval.com Into the distance, a ribbon of black Stretched to the point of no turning back
