Description
When attempting to export a model to a TensorRT engine on an Orin Nano 8GB running Jetpack 6.2.2, I get an error:
[03/21/2026-03:05:27] [TRT] [E] IBuilder::buildSerializedNetwork: Error Code 9: API Usage Error (Target GPU SM 87 is not supported by this TensorRT release. In checkCurrentSMEnabled at optimizer/common/builderHelpers.cpp:708)
Environment
TensorRT Version: 10.7.0
GPU Type: Orin Nano 8GB
Nvidia Driver Version: 540.5.0
CUDA Version: 12.6
CUDNN Version: 9.20.0
Operating System + Version: JetPack 6.2, Jetson Linux 36.5.0
Python Version (if applicable): 3.10.19
TensorFlow Version (if applicable): N/A
PyTorch Version (if applicable): N/A
Baremetal or Container (if container which image + tag): Bare metal
Relevant Files
N/A
Steps To Reproduce
Exporting the Yolo26x model to TensorRT.
from ultralytics import YOLO
model = YOLO("yolo26x.pt")
model.export(format="engine")
requirements.txt via pip freeze is attached.
requirements.txt (1.9 KB)
Output:
model.export(
format="engine",
imgsz=(704, 480),
batch=4,
device=0,
half=True,
data="coco.yaml",
)
(.venv) orin@aeglos:~/detection$ nano .
(.venv) orin@aeglos:~/detection$ nano simple_export.py
(.venv) orin@aeglos:~/detection$ ls
bus.jpg detect.py pwd simple_export.py yolo26n.pt
constants.py LICENSE __pycache__ yolo26l.engine yolo26x.engine
datasets list.streams README.md yolo26l.onnx yolo26x.onnx
deb model_export.py runs yolo26l.pt yolo26x.pt
(.venv) orin@aeglos:~/detection$ python simple_export.py
WARNING ⚠ TensorRT requires GPU export, automatically assigning device=0
Ultralytics 8.4.14 🚀 Python-3.10.19 torch-2.9.1 CUDA:0 (Orin, 7607MiB)
YOLO26x summary (fused): 190 layers, 55,725,948 parameters, 0 gradients, 193.9 GFLOPs
PyTorch: starting from 'yolo26x.pt' with input shape (1, 3, 640, 640) BCHW and output shape(s
ONNX: starting export with onnx 1.20.1 opset 20...
/home/orin/detection/.venv/lib/python3.10/site-packages/torch/onnx/_internal/torchscript_expo
warnings.warn(
ONNX: slimming with onnxslim 0.1.85...
2026-03-21 03:26:35.763961891 [W:onnxruntime:Default, device_discovery.cc:164 DiscoverDevices
ONNX: export success ✅ 10.1s, saved as 'yolo26x.onnx' (212.9 MB)
TensorRT: starting export with TensorRT 10.7.0...
[03/21/2026-03:26:40] [TRT] [I] [MemUsageChange] Init CUDA: CPU -2, GPU +0, now: CPU 1960, GP
[03/21/2026-03:26:41] [TRT] [I] [MemUsageChange] Init builder kernel library: CPU +1, GPU +1,
[03/21/2026-03:26:41] [TRT] [I] -------------------------------------------------------------
[03/21/2026-03:26:41] [TRT] [I] Input filename: yolo26x.onnx
[03/21/2026-03:26:41] [TRT] [I] ONNX IR version: 0.0.9
[03/21/2026-03:26:41] [TRT] [I] Opset version: 20
[03/21/2026-03:26:41] [TRT] [I] Producer name: pytorch
[03/21/2026-03:26:41] [TRT] [I] Producer version: 2.9.1
[03/21/2026-03:26:41] [TRT] [I] Domain:
[03/21/2026-03:26:41] [TRT] [I] Model version: 0
[03/21/2026-03:26:41] [TRT] [I] Doc string:
[03/21/2026-03:26:41] [TRT] [I] -------------------------------------------------------------
TensorRT: input "images" with shape(1, 3, 640, 640) DataType.FLOAT
TensorRT: output "output0" with shape(1, 300, 6) DataType.FLOAT
TensorRT: building FP32 engine as yolo26x.engine
[03/21/2026-03:26:41] [TRT] [E] IBuilder::buildSerializedNetwork: Error Code 9: API Usage Err
ERROR ❌ TensorRT: export failure 11.3s: TensorRT engine build failed, check logs for errors
Traceback (most recent call last):
File "/home/orin/detection/simple_export.py", line 3, in <module>
model.export(format="engine")
File "/home/orin/detection/.venv/lib/python3.10/site-packages/ultralytics/engine/model.py",
return Exporter(overrides=args, _callbacks=self.callbacks)(model=self.model)
File "/home/orin/detection/.venv/lib/python3.10/site-packages/ultralytics/engine/exporter.p
f[1] = self.export_engine(dla=dla)
File "/home/orin/detection/.venv/lib/python3.10/site-packages/ultralytics/engine/exporter.p
raise e
File "/home/orin/detection/.venv/lib/python3.10/site-packages/ultralytics/engine/exporter.py", line 244, in outer_func
f = inner_func(*args, **kwargs) # exported file/dir or tuple of (file/dir, *)
File "/home/orin/detection/.venv/lib/python3.10/site-packages/ultralytics/engine/exporter.py", line 1028, in export_engine
onnx2engine(
File "/home/orin/detection/.venv/lib/python3.10/site-packages/ultralytics/utils/export/engine.py", line 233, in onnx2engine
raise RuntimeError("TensorRT engine build failed, check logs for errors")
RuntimeError: TensorRT engine build failed, check logs for errors