fix position_ids

Author: wangzaijun

lightllm/models/qwen2_vl/infer_struct.py

@@ -32,6 +32,7 @@ def init_some_extra_state(self, model, input_ids: torch.Tensor):
             position_ids = self.position_ids + torch.tensor(b_position_delta, device=self.position_ids.device)
             self.position_ids = position_ids.unsqueeze(0).expand(3, -1)
 
+        self.position_ids = self.position_ids.contiguous()
         self.position_cos = model._cos_cached[self.position_ids]  # (3, L, D)
         self.position_sin = model._sin_cached[self.position_ids]  # (3, L, D)
         if get_env_start_args().enable_fa3: