Calling virCPUUpdateLive on a domain with no guest CPU configuration does not make sense. Especially when doing so would crash libvirtd. Signed-off-by: Jiri Denemark <jdenemar(a)redhat.com&gt; --- src/qemu/qemu_process.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c index 780f9587a..ec0e36d2e 100644 --- a/src/qemu/qemu_process.c +++ b/src/qemu/qemu_process.c @@ -3815,11 +3815,6 @@ qemuProcessVerifyCPUFeatures(virDomainDefPtr def, { int rc; - if (!def->cpu || - (def->cpu->mode == VIR_CPU_MODE_CUSTOM && - !def->cpu->model)) - return 0; - rc = virCPUCheckFeature(def->os.arch, def->cpu, "invtsc"); if (rc < 0) { @@ -3870,6 +3865,13 @@ qemuProcessUpdateLiveGuestCPU(virQEMUDriverPtr driver, qemuProcessVerifyHypervFeatures(def, cpu) < 0) goto cleanup; + if (!def->cpu || + (def->cpu->mode == VIR_CPU_MODE_CUSTOM && + !def->cpu->model)) { + ret = 0; + goto cleanup; + } + if (qemuProcessVerifyCPUFeatures(def, cpu) < 0) goto cleanup; -- 2.12.0