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System.AccessViolationException Error when using TorchSharp #1292

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rapid-18 opened this issue Apr 25, 2024 · 6 comments
Open

System.AccessViolationException Error when using TorchSharp #1292

rapid-18 opened this issue Apr 25, 2024 · 6 comments

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@rapid-18
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A System.AccessViolationException Error occurs when executing a simple code
model = jit.load(modelPath, DeviceType.CUDA);
how can I fit that
the torchsharp version is TorchSharp-cuda-windows 0.100.7
the details of error information:
System.AccessViolationException
HResult=0x80004003
Message=尝试读取或写入受保护的内存。这通常指示其他内存已损坏。
Source=
StackTrace:

@yueyinqiu
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yueyinqiu commented Apr 25, 2024

It could work for me (the exception is not thrown by jit.load):

image

Could you please provide us more details, like the specific model file or something else?

By the way, could the problem be solved by updating the package? I'm using 0.102.4.

@rapid-18
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rapid-18 commented Apr 25, 2024

I could hardly provide any more details because it's just a simple pytorch trained model, and this problem also occurs in many other executions related to loading model, like below
nn.Module Model = torchvision.models.resnet50();
so I think its not the problem from the model
But thank you anyway and I wil try on a newer version

@NiklasGustafsson
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Yes, please start by upgrading to the most recent version of TorchSharp -- it's very hard (let's call it impossible), given limited resources, for us to troubleshoot a version as old as 0.100.7, which is based on an earlier version of libtorch.

@rapid-18
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This problem still exists even when I change to version 0.102.4 when loading models.......

@NiklasGustafsson
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Okay, that's good to know, that makes it easier to troubleshoot.

Can you please show the Python code used to generate the "exported.method.dat" file?

@yueyinqiu
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yueyinqiu commented Apr 27, 2024

@NiklasGustafsson The exported.method.dat is created by me, not by @rapid-18 .

And it could work for me. The exception is just because I didn't pass the required parameter. It's not the AccessViolationException we are talking about. Sorry for the misleading screenshot.

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