[libvirt] ARMv7 guest PCI support broken in 3.0.0 onwards

$ cat arm.xml <domain type="qemu"> <name>f22-arm32</name> <uuid>a6bc14fb-585b-40b0-a15b-5e19f26079ba</uuid> <memory>1048576</memory> <currentMemory>1048576</currentMemory> <vcpu>1</vcpu> <os> <type arch="armv7l" machine="virt">hvm</type> <boot dev="hd"/> </os> <clock offset="utc"/> <on_poweroff>destroy</on_poweroff> <on_reboot>restart</on_reboot> <on_crash>restart</on_crash> <devices> <emulator>/usr/bin/qemu-system-arm</emulator> <disk type="file" device="disk"> <driver name="qemu" type="qcow2"/> <source file="/home/berrange/VirtualMachines/demo.qcow2"/> <target dev="sda" bus="scsi"/> </disk> <controller type="scsi" index="0" model="virtio-scsi"/> <interface type="user"> <mac address="52:54:00:87:d4:c0"/> <model type="virtio"/> </interface> <console type="pty"/> </devices> </domain> $ virsh define arm.xml Domain f22-arm32 defined from arm.xml $ virsh start f22-arm32 error: Failed to start domain f22-arm32 error: internal error: qemu unexpectedly closed the monitor: 2017-02-15T09:24:03.967648Z qemu-system-arm: -device ioh3420,port=0x8,chassis=1,id=pci.1,bus=pcie.0,multifunction=on,addr=0x1: MSI is not supported by interrupt controller 2017-02-15T09:24:03.968154Z qemu-system-arm: -device ioh3420,port=0x8,chassis=1,id=pci.1,bus=pcie.0,multifunction=on,addr=0x1: Device initialization failed I've not bisected it other than to find it works in 2.5.0 and is broken in 3.0.0 Regards, Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://entangle-photo.org -o- http://search.cpan.org/~danberr/ :|