On Tue, Jun 23, 2020 at 2:32 AM Michael Chang <mch...@suse.com> wrote: > > On Mon, Jun 22, 2020 at 10:16:49PM -0400, Mike Gilbert wrote: > > On Sun, Jun 21, 2020 at 2:56 PM Eli Schwartz <eschwa...@archlinux.org> > > wrote: > > > But anyway this isn't true. There are valid reasons to reinstall grub on > > > old systems, in which case you are most likely not benefiting from zstd > > > support one way or another, but in this case, rerunning grub-install > > > destroys the working bootloader code and fails to replace. > > > > This sounds like a bug/defect in grub-install. Ideally, it would look > > at the size of the embedding area, and abort early if it is too small. > > This should happen before files are copied to /boot/grub, but > > currently it is done afterward. > > Even though the system can stay bootable, it cannot receive any grub > updates afterward, thus breaking the principle of backward compatibilty > that new build couldn't run at all on an existing system running old > grub.
There was some discussion earlier in the thread that proposed the documentation be updated to indicate that using a small embedding area is not well-supported. I don't think 100% backward compatibility is a reasonable target, especially for configurations that have never been well-supported in the first place. _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel
