https://bugzilla.redhat.com/show_bug.cgi?id=1434451 Just like in 9324f67a572f9b32 we need to put default pci-root alias onto the command line instead of the one provided by user. Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com&gt; --- src/qemu/qemu_command.c | 25 +++++++++++++++++-------- 1 file changed, 17 insertions(+), 8 deletions(-) diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index eb72db33b..affad43e1 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -318,16 +318,25 @@ qemuBuildDeviceAddressStr(virBufferPtr buf, if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI && cont->idx == info->addr.pci.bus) { - contAlias = cont->info.alias; contIsPHB = virDomainControllerIsPSeriesPHB(cont); contTargetIndex = cont->opts.pciopts.targetIndex; - if (!contAlias) { - virReportError(VIR_ERR_INTERNAL_ERROR, - _("Device alias was not set for PCI " - "controller with index %u required " - "for device at address %s"), - info->addr.pci.bus, devStr); - goto cleanup; + + /* When domain has builtin pci-root controller we don't put it + * onto cmd line. Therefore we can't set its alias. In that + * case, use the default one. */ + if (!qemuDomainIsPSeries(domainDef) && + cont->model == VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT) { + contAlias = "pci.0"; + } else { + contAlias = cont->info.alias; + if (!contAlias) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("Device alias was not set for PCI " + "controller with index %u required " + "for device at address %s"), + info->addr.pci.bus, devStr); + goto cleanup; + } } break; } -- 2.13.6