Post-copy migration needs bi-directional communication between the source and the destination QEMU processes, which is not supported by tunnelled migration. https://bugzilla.redhat.com/show_bug.cgi?id=1371358 Signed-off-by: Jiri Denemark <jdenemar(a)redhat.com&gt; --- src/qemu/qemu_migration.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c index d4a55d8f7..26b2e6d25 100644 --- a/src/qemu/qemu_migration.c +++ b/src/qemu/qemu_migration.c @@ -3167,6 +3167,12 @@ qemuMigrationBeginPhase(virQEMUDriverPtr driver, goto cleanup; } + if (flags & VIR_MIGRATE_POSTCOPY && flags & VIR_MIGRATE_TUNNELLED) { + virReportError(VIR_ERR_ARGUMENT_UNSUPPORTED, "%s", + _("post-copy is not supported with tunnelled migration")); + goto cleanup; + } + if (flags & (VIR_MIGRATE_NON_SHARED_DISK | VIR_MIGRATE_NON_SHARED_INC)) { bool has_drive_mirror = virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_DRIVE_MIRROR); @@ -3645,6 +3651,12 @@ qemuMigrationPrepareAny(virQEMUDriverPtr driver, goto cleanup; } + if (flags & VIR_MIGRATE_POSTCOPY && flags & VIR_MIGRATE_TUNNELLED) { + virReportError(VIR_ERR_ARGUMENT_UNSUPPORTED, "%s", + _("post-copy is not supported with tunnelled migration")); + goto cleanup; + } + if (!(caps = virQEMUDriverGetCapabilities(driver, false))) goto cleanup; -- 2.11.0.rc2