This capability was not handled correctly, causing aarch64 guests having <interface type='network'> ... <rom bar='off'/> </interface> to fail at startup with error: unsupported configuration: rombar and romfile not supported in this QEMU binary I'm not sure whether we should drop the QEMU_CAPS_PCI_ROMBAR capability entirely now that it's enabled unconditionally and there is no code checking for it; as I understand it, we don't ever drop capabilities, hence the current implementation. Andrea Bolognani (2): qemu: Enable QEMU_CAPS_PCI_ROMBAR unconditionally qemu: Stop checking for QEMU_CAPS_PCI_ROMBAR src/qemu/qemu_capabilities.c | 46 ++++++++++++---------- src/qemu/qemu_command.c | 12 ++---- tests/qemucapabilitiesdata/caps_1.2.2-1.x86_64.xml | 1 + .../qemucapabilitiesdata/caps_2.6.0-1.aarch64.xml | 1 + .../qemucapabilitiesdata/caps_2.6.0-1.ppc64le.xml | 1 + .../qemucapabilitiesdata/caps_2.6.0-2.aarch64.xml | 1 + 6 files changed, 33 insertions(+), 29 deletions(-) -- 2.5.5 -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list