** Description changed: - The patch I did to fix names for the new naming of shim binaries - included the addition of fbx64.efi; but it was done wrong: fbx64.efi - should only exist under \EFI\BOOT, it's not required in the "removable" - path; except if we're trying to force installing to the removable path - *too*. + [Impact] + Building some images depending on calling grub-install --removable still installs fbx64.efi; which we don't want on removable media. + + [Test case] + On an EFI system, run 'grub-install --removable --target=x86_64-efi'. Observe whether fbx64.efi is installed to /boot/efi/EFI/BOOT. It should not. + + [Regression potential] + If any system is depending on running grub-install with --removable, and on fbx64.efi being installed in /boot/efi/EFI/BOOT; this would cause this assumption to fail -- leading to incorrect fallback behavior when BootEntries are not present on a system. + + Failures to boot with "System BootOrder not found" errors should be + considered a possible regression. + + Any missing files in /boot/efi/EFI/BOOT or /boot/efi/EFI/ubuntu after + install should be considered a potential regression of this update. + + + ---- + + + The patch I did to fix names for the new naming of shim binaries included the addition of fbx64.efi; but it was done wrong: fbx64.efi should only exist under \EFI\BOOT, it's not required in the "removable" path; except if we're trying to force installing to the removable path *too*. In other words: 1) we normally don't want /EFI/ubuntu/fbx64.efi to exist; - and + and a) on a desktop or server, we want /EFI/BOOT/fbx64.efi to exist (ie. installs without --removable, and with --force-extra-removable used when grub-install was called); b) on removable media, we do not want /EFI/BOOT/fbx64.efi to exist (ie. when grub-installed is called with --removable). Furthermore, the (a) case is probably not the typical case we want to run grub-install with. Calls to grub-install with --force-extra- removable probably should be limited to shim-signed's postinst. In any case, let's move the fbx64.efi installation step to also_install_removable() in grub-installer to avoid installing it when it shouldn't be.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1684341 Title: EFI fallback binary should only be installed in force-extra-removable To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1684341/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
