The error message would contain first vcpu id after the list of vcpus selected for modification. To print the proper vcpu id remember the first vcpu selected to be modified. --- src/qemu/qemu_hotplug.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c index e8d29186e..1d7f2cc71 100644 --- a/src/qemu/qemu_hotplug.c +++ b/src/qemu/qemu_hotplug.c @@ -5866,6 +5866,7 @@ qemuDomainVcpuValidateConfig(virDomainDefPtr def, virDomainVcpuDefPtr vcpu; size_t maxvcpus = virDomainDefGetVcpusMax(def); ssize_t next; + ssize_t firstvcpu = -1; /* vcpu 0 can't be disabled */ if (!state && virBitmapIsBitSet(map, 0)) { @@ -5880,13 +5881,17 @@ qemuDomainVcpuValidateConfig(virDomainDefPtr def, continue; /* skip vcpus being modified */ - if (virBitmapIsBitSet(map, next)) + if (virBitmapIsBitSet(map, next)) { + if (firstvcpu < 0) + firstvcpu = next; + continue; + } if (vcpu->online && vcpu->hotpluggable == VIR_TRISTATE_BOOL_NO) { virReportError(VIR_ERR_INVALID_ARG, _("vcpu '%zd' can't be modified as it is followed " - "by non-hotpluggable online vcpus"), next); + "by non-hotpluggable online vcpus"), firstvcpu); return -1; } } -- 2.12.2