Re: [edk2-devel] PR#5939 broke the legacy VM bootup

["Gerd Hoffmann via groups.io" <kraxel=redhat.com@groups.io>]

On Tue, Mar 25, 2025 at 08:10:58AM +0000, Xu, Min M wrote:
> Hi, Gerd
> We tried to fix this issue based on your suggested workaround (at Jan 14) but it still hang.
> Did we miss something? 
> @Qiang, Chenyi Can provide more information.
> 
> >Workaround for centos stream 9:
> > (1) turn off secure boot (if enabled)
> > (2) install latest shim (unsigned):
> >     sudo dnf install shim-unsigned-x64
> > (3) replace shim on the ESP:
> >     sudo cp /usr/share/shim/15.8-2.el9/x64/shimx64.efi /boot/efi/EFI/centos/shimx64.efi

Yes, unfortunately this is not enough.  The above replaces shim with an
fixed version, but grub is broken too, so the system still does not
boot :(

Disabling the memory attribute protocol is the only thing that actually
helps.

take care,
  Gerd



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