Comment 2 for bug 1710019

Indeed! I've updated the bug status to reflect that. Currently I do have a backport to 2.8 that seems to be working as well as latest upstream. That is, I can save and restore a UEFI guest, prior to starting Linux. I'm working on diagnosing an issue where a guest that has been saved after Linux has booted fails to restore with:

Unexpected error in kvm_device_access() at /home/ubuntu/qemu/accel/kvm/kvm-all.c:2229:
2017-08-11T15:12:42.922614Z qemu-system-aarch64: KVM_SET_DEVICE_ATTR failed: Group 4 attr 0x0000000000000002: Invalid argument
2017-08-11 15:12:43.683+0000: shutting down, reason=crashed