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

deploy/ocr-common.sh

@@ -7,6 +7,28 @@ ocr_worker_dir() {
   echo "${INSTALL_DIR}/deploy/ocr-worker"
 }
 
+detect_ocr_use_gpu() {
+  if [[ "${OCR_USE_GPU:-auto}" == "false" ]]; then
+    echo "false"
+    return
+  fi
+  if [[ "${OCR_USE_GPU:-auto}" == "true" ]]; then
+    if ldconfig -p 2>/dev/null | grep -q libcudnn; then
+      echo "true"
+    else
+      log_warn "未检测到 cuDNN 库，GPU OCR 不可用，改用 CPU"
+      echo "false"
+    fi
+    return
+  fi
+  # auto
+  if command -v nvidia-smi >/dev/null && ldconfig -p 2>/dev/null | grep -q libcudnn; then
+    echo "true"
+  else
+    echo "false"
+  fi
+}
+
 install_ocr_worker() {
   local worker_dir
   worker_dir="$(ocr_worker_dir)"
@@ -14,9 +36,11 @@ install_ocr_worker() {
     log_error "未找到 ${worker_dir}"
     return 1
   fi
-  log_info "安装/更新 OCR Worker (PaddleOCR GPU)…"
+  log_info "安装/更新 OCR Worker (PaddleOCR)…"
   chmod +x "${worker_dir}"/*.sh 2>/dev/null || true
-  OCR_PORT="${OCR_PORT}" bash "${worker_dir}/install.sh"
+  local use_gpu
+  use_gpu="$(detect_ocr_use_gpu)"
+  OCR_PORT="${OCR_PORT}" OCR_USE_GPU="${use_gpu}" bash "${worker_dir}/install.sh"
 }
 
 ocr_screen_running() {
@@ -35,7 +59,9 @@ start_ocr_screen() {
     return 1
   fi
 
-  log_info "启动 OCR Worker → screen 会话「${OCR_SCREEN_NAME}」(GPU 常驻, 端口 ${OCR_PORT})"
+  local use_gpu log_file
+  use_gpu="$(detect_ocr_use_gpu)"
+  log_info "启动 OCR Worker → screen「${OCR_SCREEN_NAME}」(GPU=${use_gpu}, 端口 ${OCR_PORT})"
   if ocr_screen_running; then
     screen -S "${OCR_SCREEN_NAME}" -X quit 2>/dev/null || true
     sleep 1
@@ -46,7 +72,7 @@ start_ocr_screen() {
 
   screen -dmS "${OCR_SCREEN_NAME}" bash -c "
     cd '${worker_dir}' &&
-    export OCR_USE_GPU=true OCR_PORT='${OCR_PORT}' OCR_HOST=0.0.0.0 &&
+    export OCR_USE_GPU='${use_gpu}' OCR_PORT='${OCR_PORT}' OCR_HOST=0.0.0.0 &&
     exec bash run.sh >> '${log_file}' 2>&1
   "
   sleep 2