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4a6cf0a93e
Fixes #165911 - Add message to Attribute error so we see ` Developer debug context: raised exception AttributeError(["'Linear' object has no attribute 'w'"])` instead of just `Developer debug context: raised exception AttributeError([])` - Add stack trace in `ObservedException` so we display the inner most error stack trace back to user code Output: ``` /data/users/shangdiy/pytorch/torch/__init__.py:2641: UserWarning: You are calling torch.compile inside torch.export region. To capture an useful graph, we will implicitly switch to torch.compile(backend=eager) warnings.warn( Traceback (most recent call last): File "/data/users/shangdiy/pytorch/torch/_dynamo/variables/user_defined.py", line 1385, in var_getattr subobj = self._getattr_static(name) ^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/data/users/shangdiy/pytorch/torch/_dynamo/variables/user_defined.py", line 1256, in _getattr_static subobj = type(self.value).__getattribute__(self.value, name) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ AttributeError: 'Linear' object has no attribute 'w' During handling of the above exception, another exception occurred: torch._dynamo.exc.ObservedAttributeError: 'Linear' object has no attribute 'w' The above exception was the direct cause of the following exception: Traceback (most recent call last): File "/data/users/shangdiy/pytorch/test.py", line 34, in <module> mod = torch._dynamo.functional_export._dynamo_graph_capture_for_export(Model())(x) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/data/users/shangdiy/pytorch/torch/_dynamo/functional_export.py", line 481, in inner out = fullgraph_capture( ^^^^^^^^^^^^^^^^^^ File "/data/users/shangdiy/pytorch/torch/_dynamo/convert_frame.py", line 1053, in fullgraph_capture return _fullgraph_capture_frame( ^^^^^^^^^^^^^^^^^^^^^^^^^ File "/data/users/shangdiy/pytorch/torch/_dynamo/convert_frame.py", line 1115, in _fullgraph_capture_frame raise e.with_traceback(None) from e.__cause__ # User compiler error ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ torch._dynamo.exc.Unsupported: Observed exception Explanation: Dynamo found no exception handler at the top-level compiled function when encountering an exception. Exception will propagate outside the compiled region. Hint: Dynamo has detected that tracing the code will result in an error when running in eager. Please double check that your code doesn't contain a similar error when actually running eager/uncompiled. Hint: It may be possible to write Dynamo tracing rules for this code. Please report an issue to PyTorch if you encounter this graph break often and it is causing performance issues. Developer debug context: raised exception AttributeError(["'Linear' object has no attribute 'w'"]) For more details about this graph break, please visit: https://meta-pytorch.github.io/compile-graph-break-site/gb/gb0088.html from user code: File "/data/users/shangdiy/pytorch/torch/_dynamo/functional_export.py", line 171, in forward res = self._export_root(*args, **kwargs) File "/data/users/shangdiy/pytorch/test.py", line 31, in forward weight = self.linear.w Set TORCHDYNAMO_VERBOSE=1 for the internal stack trace (please do this especially if you're reporting a bug to PyTorch). For even more developer context, set TORCH_LOGS="+dynamo" ``` Pull Request resolved: https://github.com/pytorch/pytorch/pull/165930 Approved by: https://github.com/anijain2305 |
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| .. | ||
| backends | ||
| polyfills | ||
| repro | ||
| variables | ||
| __init__.py | ||
| _trace_wrapped_higher_order_op.py | ||
| aot_compile.py | ||
| bytecode_analysis.py | ||
| bytecode_transformation.py | ||
| cache_size.py | ||
| callback.py | ||
| code_context.py | ||
| codegen.py | ||
| compiled_autograd.py | ||
| comptime.py | ||
| config.py | ||
| convert_frame.py | ||
| create_parameter_op.py | ||
| current_scope_id.py | ||
| debug_utils.py | ||
| decorators.py | ||
| device_interface.py | ||
| distributed.py | ||
| eval_frame.py | ||
| exc.py | ||
| external_utils.py | ||
| funcname_cache.py | ||
| functional_export.py | ||
| graph_break_hints.py | ||
| graph_break_registry.json | ||
| graph_bytecode_inputs.py | ||
| graph_deduplication.py | ||
| graph_region_tracker.py | ||
| graph_utils.py | ||
| guards.py | ||
| hooks.py | ||
| logging.py | ||
| metrics_context.py | ||
| mutation_guard.py | ||
| output_graph.py | ||
| package.py | ||
| pgo.py | ||
| precompile_context.py | ||
| profiler.py | ||
| replay_record.py | ||
| resume_execution.py | ||
| side_effects.py | ||
| source.py | ||
| symbolic_convert.py | ||
| tensor_version_op.py | ||
| test_case.py | ||
| test_dont_skip_tracing_functions.py | ||
| test_minifier_common.py | ||
| testing.py | ||
| trace_rules.py | ||
| types.py | ||
| utils.py | ||