[Bug 1420479] Re: grubnetx64 image doesn't fetch config

[dann frazier]

The problem here may just be related to EFI NIC driver support.  I
switched from an e1000 model to a virtio-net-pci model in my invocation,
and GRUB netboot is now happy.

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Title:
  grubnetx64 image doesn't fetch config

Status in grub2-signed package in Ubuntu:
  New

Bug description:
  I'm attempting to network boot an EFI VM using the
  grubnetx64.efi.signed image provided in grub-efi-amd64-signed. The
  iPXE rom gets an address and successfully tftp's and starts GRUB, but
  it just drops me to a grub> shell. The only tftp request I see in my
  tftp server log is for the grub image itself. fyi, I also see the same
  symptoms using a mac/x86 booted in EFI mode (also uses iPXE).

  I've tried packages from both trusty and vivid. I'm using my tomato-
  based router as a dhcp server with the following added dnsmasq config:

  dhcp-boot=grubnetx64.efi.signed,,192.168.1.30

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