I could successfully chainload grub from shim by using virtio-net and
disabling iPXE. Minimal reproducer:
sudo kvm -bios /usr/share/OVMF/OVMF_CODE.fd -device virtio-net,netdev=n1
-netdev user,id=n1,tftp=/boot/efi/EFI/ubuntu,bootfile=shimx64.efi
-global virtio-net-pci.romfile=""
if I remove the last option (which disables iPXE), it fails to boot
again.
Building iPXE with CONFIG=qemu seems to be a fairly complicated affair.
The build system is a mess.
** Also affects: ipxe (Ubuntu)
Importance: Undecided
Status: New
** Changed in: ipxe (Ubuntu)
Status: New => Triaged
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https://bugs.launchpad.net/bugs/1789319
Title:
Unable to load shimx64.efi using iPXE over UEFI
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