Failed to generate DLA Engine from Inception-v3 model

trtexec tool failed to generate DLA engine from Inception-v3 model.


Module_id 33 Severity 2 : NVMEDIA_DLA 2493
Module_id 33 Severity 2 : Runtime: loadBare failed. error:  0x000004
[12/07/2021-21:16:32] [V] [TRT] Deleting timing cache: 102 entries, 10 hits
[12/07/2021-21:16:32] [I] [TRT] [MemUsageChange] Init cuBLAS/cuBLASLt: CPU +0, GPU +0, now: CPU 1001, GPU 3529 (MiB)
[12/07/2021-21:16:32] [E] Error[1]: [nvdlaUtils.cpp::deserialize::164] Error Code 1: DLA (NvMediaDlaLoadLoadable : load loadable failed.)
[12/07/2021-21:16:32] [E] Error[2]: [builder.cpp::buildSerializedNetwork::417] Error Code 2: Internal Error (Assertion enginePtr != nullptr failed.)
Segmentation fault (core dumped)

log file:
inception_v3_engine_generation.txt (502.9 KB)

Commands to reproduce:

$ trtexec --onnx=inception_v3.onnx --useDLACore=0 \
  --allowGPUFallback --saveEngine=inception_v3.engine

inception_v3.onnx (91.2 MB)

System info:

NVIDIA Jetson AGX Xavier [16GB]

  • Jetpack 4.6 [L4T 32.6.1]


  • CUDA: 10.2.300
  • cuDNN:
  • TensorRT:

Could you please help me to generate dla engine for this model.

Thank you


Thanks for reporting this to us.

We are checking this internally.
Will share more information with you later.


Confirmed that we can reproduce this issue internally.

And now we are checking the details with our internal team.
Will share more information with you later.


1 Like

thanks a lot,
Your information will be much helpful to move forward in my project.


We have found the root cause and fixed this issue internally.
Please wait for our update for the next software release.


1 Like

Thank you Aasta

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