diff --git a/migration/migration.c b/migration/migration.c index dbc484c802..5ff7ba9d5c 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -3691,6 +3691,17 @@ static void qemu_savevm_wait_unplug(MigrationState *s, int old_state, qemu_savevm_state_guest_unplug_pending()) { qemu_sem_timedwait(&s->wait_unplug_sem, 250); } + if (s->state != MIGRATION_STATUS_WAIT_UNPLUG) { + int timeout = 120; /* 30 seconds */ + /* + * migration has been canceled + * but as we have started an unplug we must wait the end + * to be able to plug back the card + */ + while (timeout-- && qemu_savevm_state_guest_unplug_pending()) { + qemu_sem_timedwait(&s->wait_unplug_sem, 250); + } + } migrate_set_state(&s->state, MIGRATION_STATUS_WAIT_UNPLUG, new_state); } else {