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Re: Bug#767037: Grub EFI fallback - patches for review

On Sun, Dec 21, 2014 at 10:49:59AM +0000, Ian Campbell wrote:
> On Sat, 2014-12-20 at 09:45 +0100, David Härdeman wrote:
> > one option that doesn't seem to have been considered would be to create
> > a separate package (let's call it UEFIx) that installs an UEFI binary to
> > EFI/boot/bootx64.efi. That binary could then do what the UEFI BIOS
> > should've done (i.e. look at the EFI vars for bootorder, bootnext, etc
> > and then go on to load the right bootloader).
> Interesting idea, does this stub bootloader already exist, or is it
> something someone would need to write? (Either way I think it's likely
> too late for Jessie, but perhaps something to think about for Stretch)
> I'd also have some worries about packages installing to /boot/EFI since
> that is by definition going to be a VFAT filesystem and I'm not
> confident that dpkg will work fully/safely without all the POSIX-ish
> semantics (hardlinks, atomic updates and the like)

I can confirm that dpkg does _not_ work properly without hardlink
support on the target filesystem - package installs and uninstalls
in principle work without it, but package upgrades do not.

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