Comment 29 for bug 1882671

Test #1:

 * Test the attached OVMF that triggers the bug:
qemu-system-x86_64 -enable-kvm -monitor stdio -drive if=pflash,snapshot=on,format=raw,file=OVMF-14c7ed8b51f6-DEBUG-enabled.fd -global e1000.romfile=/usr/lib/ipxe/qemu/efi-e1000.rom -debugcon file:debug.log -global isa-debugcon.iobase=0x402

Focal as-is with ipxe-qemu 1.0.0+git-20190109.133f4c4-0ubuntu3 fails:

ASSERT /root/edk2/MdeModulePkg/Core/Dxe/Image/Image.c(1676): Image->Tpl == gEfiCurrentTpl

Upgrading to proposed:
root@f-ipxe:~# apt install ipxe-qemu=1.0.0+git-20190109.133f4c4-0ubuntu3.1
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be upgraded:
  ipxe-qemu
1 upgraded, 0 newly installed, 0 to remove and 28 not upgraded.
Need to get 903 kB of archives.
After this operation, 1749 kB of additional disk space will be used.
Get:1 http://archive.ubuntu.com/ubuntu focal-proposed/main amd64 ipxe-qemu all 1.0.0+git-20190109.133f4c4-0ubuntu3.1 [903 kB]
Fetched 903 kB in 0s (1963 kB/s)
(Reading database ... 47652 files and directories currently installed.)
Preparing to unpack .../ipxe-qemu_1.0.0+git-20190109.133f4c4-0ubuntu3.1_all.deb ...
Unpacking ipxe-qemu (1.0.0+git-20190109.133f4c4-0ubuntu3.1) over (1.0.0+git-20190109.133f4c4-0ubuntu3) ...
Setting up ipxe-qemu (1.0.0+git-20190109.133f4c4-0ubuntu3.1) ...

With the version from proposed the crash/assert no more happens.