fix bug for trigger preempted (#4228)

fastdeploy/engine/common_engine.py

@@ -77,6 +77,7 @@ class EngineService:
             self.llm_logger = llm_logger
 
         self.scheduler = cfg.scheduler_config.scheduler()
+        self.enable_decode_cache_task = envs.FD_ENABLE_CACHE_TASK == "1"
 
         if envs.ENABLE_V1_KVCACHE_SCHEDULER:
             self.resource_manager = ResourceManagerV1(
@@ -623,7 +624,7 @@ class EngineService:
                     for tmp_task in need_delete_tasks:
                         tasks.remove(tmp_task)
                         # release resource in P
-                        self.resource_manager.prerelease_resource(task)
+                        self.resource_manager.prerelease_resource(tmp_task)
                 if self.cfg.scheduler_config.splitwise_role == "prefill":
                     # to send cache info to cache messager
                     if tasks:

fastdeploy/splitwise/splitwise_connector.py

@@ -387,6 +387,12 @@ class SplitwiseConnector:
                         f"{tasks[i].disaggregate_info['cache_info']['rdma']['ip']}:"
                         + f"{tasks[i].disaggregate_info['cache_info']['rdma']['port']}"
                     )
+                    if tasks[i].get("error_msg", None) is not None:
+                        cache_info = {
+                            "request_id": tasks[i].request_id,
+                            "error_msg": tasks[i].get("error_msg"),
+                        }
+                    else:
                         cache_info = {
                             "request_id": tasks[i].request_id,
                             "device_ids": self.cfg.device_ids.split(","),