fix: guard reconcile call against None numeric_ids; add torchvision lower bounds

studio/backend/utils/hardware/hardware.py

@@ -662,11 +662,10 @@ def get_visible_gpu_utilization() -> Dict[str, Any]:
         )
         if result is not None:
             result["backend"] = _backend_label(device)
-            if IS_ROCM:
+            numeric_ids = parent_visible_spec.get("numeric_ids")
+            if IS_ROCM and numeric_ids is not None:
                 # Fix unified-memory VRAM on AMD iGPUs (Strix Halo etc.)
-                _reconcile_rocm_unified_memory(
-                    result, parent_visible_spec["numeric_ids"]
-                )
+                _reconcile_rocm_unified_memory(result, numeric_ids)
             return result
 
     # Torch-based fallback for CUDA (nvidia-smi unavailable, AMD ROCm) and XPU (Intel)

studio/install_python_stack.py

@@ -61,8 +61,8 @@ _ROCM_TORCH_PKG_SPECS: dict[str, tuple[str, str, str]] = {
     # Default for rocm7.1 and earlier: torch 2.x below 2.11
     "_default": (
         "torch>=2.4,<2.11.0",
-        "torchvision<0.26.0",
-        "torchaudio<2.11.0",
+        "torchvision>=0.19,<0.26.0",
+        "torchaudio>=2.4,<2.11.0",
     ),
 }
 _PYTORCH_WHL_BASE = (