What were you trying to do that didn't work?

Boot a snp guest

Please provide the package NVR for which the bug is seen:

edk2-ovmf-20250523-6.fc42

qemu-9.2.4-1.fc42

6.15.3-200.fc42

How reproducible is this bug?:

100%

Steps to reproduce

1. boot a snp guest:

virt-install   --name snp   --disk path=/home/RHEL-10.1-20250613.3-x86_64-ovmf.qcow2,size=20,cache=none,format=qcow2   --cpu EPYC-Milan   --memory 4096   --vcpus=8,sockets=2,cores=4,threads=1   --osinfo detect=on,require=off   --graphics vnc,listen=0.0.0.0   --controller type=virtio-serial   --rng type=/dev/random   --launchSecurity sev-snp,policy=0x30000   --network bridge,model=virtio   --serial file,path=/home/rhel9_snp_console.log   --serial pty   --console pty   --machine q35   --boot uefi,loader.stateless=yes,loader.type=rom,loader=/usr/share/edk2/ovmf/OVMF.amdsev.fd  --xml ./os/@firmware=   --import --qemu-commandline='-debugcon file:/home/ovmf.log -global isa-debugcon.iobase=0x402'

Expected results

guest boot successfully

Actual results

guest  fail to boot

Additional info

1.change the edk2-ovmf version to edk2-ovmf-20241117-2.el10, guest can boot successfully

2.guest can boot successfully when disable snp