v4.1.0 onnx run failed & convert to TensorRT .engine failed

[oUp2Uo]

Hi, I found that v4.1.0 provides onnx file now. (https://catalog.ngc.nvidia.com/orgs/nvidia/teams/isaac/models/dnn_stereo_disparity?version=4.1.0)
I could open the downloaded onnx file with Netron and see the graph.

1. I tried to run the onnx model with onnxruntime c++ on PC.
   But it failed when creating the ort session.
   The error thrown is ORT_INVALID_GRAPH.
   onnxruntime version is 1.22.0, tested using CPU & CUDA provider, both the same result.

2. I tried to use it to convert to .engine file:
   trtexec --onnx=ess.onnx --saveEngine=1.engine --fp16
   But the the conversion failed.
   Tested with CUDA12, TensorRT-10.11.0.33 & TensorRT-10.13.3.9, both the same result.

Here is some part of the message:

[10/16/2025-11:51:21] [I] [TRT] ----------------------------------------------------------------
[10/16/2025-11:51:21] [I] [TRT] Searching for plugin wth node domain namespace:
[10/16/2025-11:51:21] [I] [TRT] Searching for plugin wth node domain namespace:
[10/16/2025-11:51:21] [I] [TRT] Searching for plugin wth node domain namespace:
[10/16/2025-11:51:21] [I] [TRT] Searching for plugin wth node domain namespace:
[10/16/2025-11:51:21] [I] [TRT] Searching for plugin wth node domain namespace:
[10/16/2025-11:51:21] [E] [TRT] ModelImporter.cpp:137: While parsing node number 178 [FusedConcatConv3x3 -> "/model/feature_extractor/lastconv/lastconv.3/Conv_output_0"]:
[10/16/2025-11:51:21] [E] [TRT] ModelImporter.cpp:138: --- Begin node ---
input: "/model/feature_extractor/layer1/layer1.1/Add_output_0"
input: "/model/feature_extractor/Resize_3_output_0"
input: "/model/feature_extractor/Resize_2_output_0"
input: "/model/feature_extractor/Resize_1_output_0"
input: "/model/feature_extractor/Resize_output_0"
input: "onnx::Conv_713"
input: "onnx::Conv_714"
input: "model.feature_extractor.lastconv.3.weight"
output: "/model/feature_extractor/lastconv/lastconv.3/Conv_output_0"
name: "FusedConcatConv3x3_left"
op_type: "FusedConcatConv3x3"
attribute {
  name: "dilations_Conv1"
  ints: 1
  ints: 1
  type: INTS
}
attribute {
  name: "group_Conv1"
  i: 1
  type: INT
}
attribute {
  name: "kernel_shape_Conv1"
  ints: 3
  ints: 3
  type: INTS
}
attribute {
  name: "pads_Conv1"
  ints: 1
  ints: 1
  ints: 1
  ints: 1
  type: INTS
}
attribute {
  name: "strides_Conv1"
  ints: 1
  ints: 1
  type: INTS
}
attribute {
  name: "dilations_Conv2"
  ints: 1
  ints: 1
  type: INTS
}
attribute {
  name: "group_Conv2"
  i: 1
  type: INT
}
attribute {
  name: "kernel_shape_Conv2"
  ints: 1
  ints: 1
  type: INTS
}
attribute {
  name: "pads_Conv2"
  ints: 0
  ints: 0
  ints: 0
  ints: 0
  type: INTS
}
attribute {
  name: "strides_Conv2"
  ints: 1
  ints: 1
  type: INTS
}

[10/16/2025-11:51:21] [E] [TRT] ModelImporter.cpp:139: --- End node ---
[10/16/2025-11:51:21] [E] [TRT] ModelImporter.cpp:142: ERROR: onnxOpCheckers.cpp:838 In function checkFallbackPluginImporter:
[6] creator && "Plugin not found, are the plugin name, version, and namespace correct?"
[10/16/2025-11:51:21] [E] [TRT] ModelImporter.cpp:137: While parsing node number 179 [FusedConcatConv3x3 -> "/model/feature_extractor/lastconv/lastconv.3_1/Conv_output_0"]:
[10/16/2025-11:51:21] [E] [TRT] ModelImporter.cpp:138: --- Begin node ---
input: "/model/feature_extractor/layer1/layer1.1_1/Add_output_0"
input: "/model/feature_extractor_1/Resize_3_output_0"
input: "/model/feature_extractor_1/Resize_2_output_0"
input: "/model/feature_extractor_1/Resize_1_output_0"
input: "/model/feature_extractor_1/Resize_output_0"
input: "onnx::Conv_749"
input: "onnx::Conv_750"
input: "model.feature_extractor.lastconv.3.weight"
output: "/model/feature_extractor/lastconv/lastconv.3_1/Conv_output_0"
name: "FusedConcatConv3x3_right"
op_type: "FusedConcatConv3x3"
attribute {
  name: "dilations_Conv1"
  ints: 1
  ints: 1
  type: INTS
}
attribute {
  name: "group_Conv1"
  i: 1
  type: INT
}
attribute {
  name: "kernel_shape_Conv1"
  ints: 3
  ints: 3
  type: INTS
}
attribute {
  name: "pads_Conv1"
  ints: 1
  ints: 1
  ints: 1
  ints: 1
  type: INTS
}
attribute {
  name: "strides_Conv1"
  ints: 1
  ints: 1
  type: INTS
}
attribute {
  name: "dilations_Conv2"
  ints: 1
  ints: 1
  type: INTS
}
attribute {
  name: "group_Conv2"
  i: 1
  type: INT
}
attribute {
  name: "kernel_shape_Conv2"
  ints: 1
  ints: 1
  type: INTS
}
attribute {
  name: "pads_Conv2"
  ints: 0
  ints: 0
  ints: 0
  ints: 0
  type: INTS
}
attribute {
  name: "strides_Conv2"
  ints: 1
  ints: 1
  type: INTS
}

[10/16/2025-11:51:21] [E] [TRT] ModelImporter.cpp:139: --- End node ---
[10/16/2025-11:51:21] [E] [TRT] ModelImporter.cpp:142: ERROR: onnxOpCheckers.cpp:838 In function checkFallbackPluginImporter:
[6] creator && "Plugin not found, are the plugin name, version, and namespace correct?"
[10/16/2025-11:51:21] [E] [TRT] ModelImporter.cpp:137: While parsing node number 180 [FusedEinsum2Softmax -> "/model/cost_volume/layers/layers.0/Softmax_output_0"]:
[10/16/2025-11:51:21] [E] [TRT] ModelImporter.cpp:138: --- Begin node ---
input: "/model/feature_extractor/lastconv/lastconv.3/Conv_output_0"
input: "/model/feature_extractor/lastconv/lastconv.3_1/Conv_output_0"
output: "/model/cost_volume/layers/layers.0/Softmax_output_0"
name: "FusedEinsum2Softmax"
op_type: "FusedEinsum2Softmax"

[10/16/2025-11:51:21] [E] [TRT] ModelImporter.cpp:139: --- End node ---
[10/16/2025-11:51:21] [E] [TRT] ModelImporter.cpp:142: ERROR: onnxOpCheckers.cpp:838 In function checkFallbackPluginImporter:
[6] creator && "Plugin not found, are the plugin name, version, and namespace correct?"
[10/16/2025-11:51:21] [E] [TRT] ModelImporter.cpp:137: While parsing node number 259 [FusedConcat2c128c64Conv3x3c64 -> "/model/stereo_matching/decoder/blocks.3/blocks.3.1/Relu_output_0"]:
[10/16/2025-11:51:21] [E] [TRT] ModelImporter.cpp:138: --- Begin node ---
input: "/model/stereo_matching/encoder/blocks.0/blocks.0.2/Relu_output_0"
input: "/model/stereo_matching/decoder/Resize_3_output_0"
input: "model.stereo_matching.decoder.blocks.3.0.weight"
input: "model.stereo_matching.decoder.blocks.3.0.bias"
output: "/model/stereo_matching/decoder/blocks.3/blocks.3.1/Relu_output_0"
name: "FusedConcat2c128c64Conv3x3c64"
op_type: "FusedConcat2c128c64Conv3x3c64"
attribute {
  name: "dilations_Conv"
  ints: 1
  ints: 1
  type: INTS
}
attribute {
  name: "group_Conv"
  i: 1
  type: INT
}
attribute {
  name: "kernel_shape_Conv"
  ints: 3
  ints: 3
  type: INTS
}
attribute {
  name: "pads_Conv"
  ints: 1
  ints: 1
  ints: 1
  ints: 1
  type: INTS
}
attribute {
  name: "strides_Conv"
  ints: 1
  ints: 1
  type: INTS
}

[10/16/2025-11:51:21] [E] [TRT] ModelImporter.cpp:139: --- End node ---
[10/16/2025-11:51:21] [E] [TRT] ModelImporter.cpp:142: ERROR: onnxOpCheckers.cpp:838 In function checkFallbackPluginImporter:
[6] creator && "Plugin not found, are the plugin name, version, and namespace correct?"
[10/16/2025-11:51:21] [E] [TRT] ModelImporter.cpp:137: While parsing node number 264 [FusedConcat2c64c64Conv3x3c64 -> "/model/stereo_matching/decoder/blocks.4/blocks.4.1/Relu_output_0"]:
[10/16/2025-11:51:21] [E] [TRT] ModelImporter.cpp:138: --- Begin node ---
input: "/model/stereo_matching/encoder/firstconv/firstconv.1/Relu_output_0"
input: "/model/stereo_matching/decoder/Resize_4_output_0"
input: "model.stereo_matching.decoder.blocks.4.0.weight"
input: "model.stereo_matching.decoder.blocks.4.0.bias"
output: "/model/stereo_matching/decoder/blocks.4/blocks.4.1/Relu_output_0"
name: "FusedConcat2c64c64Conv3x3c64"
op_type: "FusedConcat2c64c64Conv3x3c64"
attribute {
  name: "dilations_Conv"
  ints: 1
  ints: 1
  type: INTS
}
attribute {
  name: "group_Conv"
  i: 1
  type: INT
}
attribute {
  name: "kernel_shape_Conv"
  ints: 3
  ints: 3
  type: INTS
}
attribute {
  name: "pads_Conv"
  ints: 1
  ints: 1
  ints: 1
  ints: 1
  type: INTS
}
attribute {
  name: "strides_Conv"
  ints: 1
  ints: 1
  type: INTS
}

[10/16/2025-11:51:21] [E] [TRT] ModelImporter.cpp:139: --- End node ---
[10/16/2025-11:51:21] [E] [TRT] ModelImporter.cpp:142: ERROR: onnxOpCheckers.cpp:838 In function checkFallbackPluginImporter:
[6] creator && "Plugin not found, are the plugin name, version, and namespace correct?"
[10/16/2025-11:51:21] [E] Failed to parse onnx file
[10/16/2025-11:51:21] [I] Finished parsing network model. Parse time: 0.250286
[10/16/2025-11:51:21] [E] Parsing model failed
[10/16/2025-11:51:21] [E] Failed to create engine from model or file.
[10/16/2025-11:51:21] [E] Engine set up failed

Do you have any idea about these questions?
Thank you.

[oUp2Uo]

I tried to run trtexec on Ubuntu today(Jetson Orin NX, jetpack 5.1.1, using TensorRT 8), and add --plugins=ess_plugins.so.
But still the same error message: FusedConcatConv3x3.