Hi,

> > grub does not properly integrate with EFI, i.e. it brings its own set of
> > filesystem drivers but does not register them as EFI protocols.  So on a
> > typical fedora install where /boot is xfs grub itself can access /boot
> > but anything loaded by grub can not.
> 
> We currently default to ext4, not XFS for /boot, though we do have EFI
> filesystem drivers we could ship for btrfs, ext4, and xfs for those cases.

Yes, someone took the grub drivers and turned them into efi filesystem
drivers.  That is IMHO a rather crude workaround for grub mostly
ignoring EFI.  Also these drivers are (a) not installed by default and
(b) lack a secure boot signature, so they do not really change the
picture.

edk2 has a ext4 driver too (see edk2-ext4.rpm).  I could roll that one
into the OVMF firmware.  Would get us past the secure boot issue as
binaries included in the firmware image are trusted even without
signature.  Obvious problem is that this would work for virtual machines
only, and I suspect openQA will not appreciate VM behavior derive from
physical hardware behavior like that ...

take care,
  Gerd

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