OCR 修复：无 cuDNN 用 CPU、禁用 ir_optim 避免 SIGILL。

deploy/ocr-worker/app.py

@@ -10,6 +10,7 @@ from fastapi import FastAPI, File, Header, HTTPException, UploadFile
 from PIL import Image
 
 os.environ.setdefault("OPENCV_IO_ENABLE_OPENEXR", "0")
+os.environ.setdefault("FLAGS_use_mkldnn", "0")
 
 logging.basicConfig(level=logging.INFO, format="%(asctime)s [%(levelname)s] %(message)s")
 logger = logging.getLogger("ocr-worker")
@@ -36,7 +37,8 @@ def _create_engine(use_gpu: bool):
         lang="ch",
         show_log=False,
         use_gpu=use_gpu,
-        enable_mkldnn=not use_gpu,
+        enable_mkldnn=False,
+        ir_optim=False,
         det_limit_side_len=min(OCR_MAX_SIDE, 1280),
         rec_batch_num=8,
     )
@@ -150,19 +152,7 @@ def _run_ocr_impl(content: bytes) -> dict:
 
 
 def run_ocr_on_bytes(content: bytes) -> dict:
-    try:
-        return _run_ocr_impl(content)
-    except Exception as exc:
-        err = str(exc).lower()
-        gpu_fail = _engine_mode == "gpu" and any(
-            x in err for x in ("cuda", "cudnn", "gpu", "out of memory", "resource exhausted", "precondition")
-        )
-        if gpu_fail and OCR_USE_GPU:
-            logger.warning("GPU OCR runtime failed, retry CPU: %s", exc)
-            _reset_engine()
-            get_engine(force_cpu=True)
-            return _run_ocr_impl(content)
-        raise
+    return _run_ocr_impl(content)
 
 
 @app.get("/health")