hw/ppc: Aborted (core dumped) Reproducable: $ ./ppc64-softmmu/qemu-system-ppc64 -S -machine ppce500,accel=tcg -device spapr-pci-host-bridge qemu/hw/ppc/spapr_pci.c:1567:spapr_phb_realize: Object 0x55bda99744a0 is not an instance of type spapr-machine Aborted (core dumped) This is addressed by commit: "f7d6bfc spapr_pci: fail gracefully with non-pseries machine types" $ ./v2.11.0-1421-g7d84845/bin/qemu-system-ppc64 -S -machine ppce500,accel=tcg -device spapr-pci-host-bridge qemu-system-ppc64: -device spapr-pci-host-bridge: spapr-pci-host-bridge needs a pseries machine $ git tag --contains f7d6bfc v2.11.0 1- https://git.qemu.org/?p=qemu.git;a=commit;h=f7d6bfcdc0fe49040aac3ac131a319cb5427957e As noted in the previous comment, this bug was fixed in the 2.11 release.