Comment # 5 on bug 1165706 from Chris Ward

qemu reports
tjcw@localhost:~> qemu-system-ppc64 --version
QEMU emulator version 4.2.0 (openSUSE Tumbleweed)
Copyright (c) 2003-2019 Fabrice Bellard and the QEMU Project developers
tjcw@localhost:~> 

The boot fails during the 'skiboot' stage, before it gets as far as making a
boot log; hence the screenshot.

I was running qemu under the covers of virt-manager; the qemu command line
would be whatever virt-manager issues, I do not get to see the qemu command.