pytorch - ๐Ÿ’ก(How to fix) Fix DISABLED test_grad_vjp_cpu (__main__.TestComposabilityCPU)

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Traceback (most recent call last): File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/testing/_internal/common_utils.py", line 3448, in wrapper method(*args, **kwargs) ~~~~~~^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/testing/_internal/common_device_type.py", line 459, in instantiated_test raise rte File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/testing/_internal/common_device_type.py", line 439, in instantiated_test result = test(self, **param_kwargs) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 2480, in call result = self._torchdynamo_orig_backend( frame, cache_entry, self.hooks, frame_state, skip=1 ) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 2198, in call result = self._inner_convert( frame, cache_entry, hooks, frame_state, skip=skip + 1 ) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 758, in call result = _compile( frame.f_code, ...<16 lines>... convert_frame_box=self._box, ) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 1983, in _compile guarded_code, tracer_output = compile_inner(code, one_graph, hooks) ~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_utils_internal.py", line 96, in wrapper_function return function(*args, **kwargs) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 1593, in compile_inner result = _compile_inner(code, one_graph, hooks) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 1652, in _compile_inner dynamo_output = compile_frame( code, ...<11 lines>... package=package, ) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 1500, in compile_frame bytecode, tracer_output = transform_code_object(code, transform) ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/bytecode_transformation.py", line 1626, in transform_code_object tracer_output = transformations(instructions, code_options) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 1472, in transform tracer_output = trace_frame( code, ...<14 lines>... package=package, ) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 365, in _fn return fn(*args, **kwargs) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 933, in trace_frame run_tracer() ~~~~~~~~~~^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 914, in run_tracer tracer.run() ~~~~~~~~~~^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run while self.step(): ~~~~~~~~~^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step self.dispatch_table[inst.opcode](self, inst) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper return inner_fn(self, inst) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4216, in CALL self._call(inst) ~~~~~~~~~~^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4207, in _call self.call_function(fn, args, kwargs) ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function self.push(fn.call_function(self, args, kwargs)) # type: ignore[arg-type] ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 489, in call_function return tx.inline_user_function_return(self, [*self.self_args(), *args], kwargs) # type: ignore[attr-defined] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1434, in inline_user_function_return return InliningInstructionTranslator.inline_call(self, fn, args, kwargs) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/dynamo/symbolic_convert.py", line 5309, in inline_call return tracer.inline_call() ~~~~~~~~~~~~~~~~~~~^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/dynamo/symbolic_convert.py", line 5530, in inline_call self.run() ~~~~~~~~^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run while self.step(): ~~~~~~~~~^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step self.dispatch_table[inst.opcode](self, inst) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper return inner_fn(self, inst) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4216, in CALL self._call(inst) ~~~~~~~~~~^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4207, in _call self.call_function(fn, args, kwargs) ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function self.push(fn.call_function(self, args, kwargs)) # type: ignore[arg-type] ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/higher_order_ops.py", line 3265, in call_function return super().call_function(tx, args, kwargs) ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 810, in call_function return super().call_function(tx, args, kwargs) ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 489, in call_function return tx.inline_user_function_return(self, [*self.self_args(), *args], kwargs) # type: ignore[attr-defined] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1434, in inline_user_function_return return InliningInstructionTranslator.inline_call(self, fn, args, kwargs) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/dynamo/symbolic_convert.py", line 5309, in inline_call return tracer.inline_call() ~~~~~~~~~~~~~~~~~~~^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/dynamo/symbolic_convert.py", line 5530, in inline_call self.run() ~~~~~~~~^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run while self.step(): ~~~~~~~~~^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step self.dispatch_table[inst.opcode](self, inst) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper return inner_fn(self, inst) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4216, in CALL self._call(inst) ~~~~~~~~~~^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4207, in _call self.call_function(fn, args, kwargs) ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function self.push(fn.call_function(self, args, kwargs)) # type: ignore[arg-type] ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 810, in call_function return super().call_function(tx, args, kwargs) ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 489, in call_function return tx.inline_user_function_return(self, [*self.self_args(), *args], kwargs) # type: ignore[attr-defined] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1434, in inline_user_function_return return InliningInstructionTranslator.inline_call(self, fn, args, kwargs) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/dynamo/symbolic_convert.py", line 5309, in inline_call return tracer.inline_call() ~~~~~~~~~~~~~~~~~~~^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/dynamo/symbolic_convert.py", line 5530, in inline_call self.run() ~~~~~~~~^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run while self.step(): ~~~~~~~~~^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step self.dispatch_table[inst.opcode](self, inst) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper return inner_fn(self, inst) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 2896, in CALL_FUNCTION_EX self.call_function(fn, argsvars.items, kwargsvars) ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function self.push(fn.call_function(self, args, kwargs)) # type: ignore[arg-type] ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/lazy.py", line 306, in realize_and_forward return getattr(self.realize(), name)(*args, **kwargs) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 810, in call_function return super().call_function(tx, args, kwargs) ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 489, in call_function return tx.inline_user_function_return(self, [*self.self_args(), *args], kwargs) # type: ignore[attr-defined] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1434, in inline_user_function_return return InliningInstructionTranslator.inline_call(self, fn, args, kwargs) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/dynamo/symbolic_convert.py", line 5309, in inline_call return tracer.inline_call() ~~~~~~~~~~~~~~~~~~~^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/dynamo/symbolic_convert.py", line 5530, in inline_call self.run() ~~~~~~~~^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run while self.step(): ~~~~~~~~~^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step self.dispatch_table[inst.opcode](self, inst) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper return inner_fn(self, inst) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 2896, in CALL_FUNCTION_EX self.call_function(fn, argsvars.items, kwargsvars) ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function self.push(fn.call_function(self, args, kwargs)) # type: ignore[arg-type] ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 489, in call_function return tx.inline_user_function_return(self, [*self.self_args(), args], kwargs) # type: ignore[attr-defined] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1434, in inline_user_function_return return InliningInstructionTranslator.inline_call(self, fn, args, kwargs) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/dynamo/symbolic_convert.py", line 5309, in inline_call return tracer.inline_call() ~~~~~~~~~~~~~~~~~~~^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/dynamo/symbolic_convert.py", line 5530, in inline_call self.run() ~~~~~~~~^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run while self.step(): ~~~~~~~~~^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step self.dispatch_table[inst.opcode](self, inst) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper return inner_fn(self, inst) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4216, in CALL self._call(inst) ~~~~~~~~~~^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4207, in _call self.call_function(fn, args, kwargs) ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function self.push(fn.call_function(self, args, kwargs)) # type: ignore[arg-type] ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/misc.py", line 1348, in call_function return self.obj.call_method(tx, self.name, list(args), kwargs) ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/tensor.py", line 970, in call_method result = wrap_fx_proxy(tx, proxy) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/builder.py", line 3101, in wrap_fx_proxy return wrap_fx_proxy_cls(target_cls=TensorVariable, **kwargs) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/builder.py", line 3176, in wrap_fx_proxy_cls out: VTTypeAlias = _wrap_fx_proxy( ~~~~~~~~~~~~~~^ target_cls, tx, proxy, example_value, subclass_type, **options ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ) ^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/builder.py", line 3300, in _wrap_fx_proxy example_value = get_fake_value(proxy.node, tx, allow_non_graph_fake=True) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/utils.py", line 3751, in get_fake_value return _get_fake_value_impl(node, tx, allow_non_graph_fake) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/utils.py", line 3942, in _get_fake_value_impl _wrap_graph_break_with_torch_runtime_err( ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ lambda: unimplemented( ^^^^^^^^^^^^^^^^^^^^^^ ...<5 lines>... ) ^ ) ^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/utils.py", line 3740, in _wrap_graph_break_with_torch_runtime_err raise exc.with_traceback(e.traceback) from None File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/utils.py", line 3737, in _wrap_graph_break_with_torch_runtime_err gb_fn() ~~~~~^^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/utils.py", line 3943, in <lambda> lambda: unimplemented( ~~~~~~~~~~~~~^ gb_type="RuntimeError when making fake tensor call", ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ...<3 lines>... from_exc=cause, ^^^^^^^^^^^^^^^ ) ^ File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/exc.py", line 653, in unimplemented raise Unsupported( msg, gb_type, skip_frame, real_stack=past_real_stack ) from from_exc torch._dynamo.exc.TorchRuntimeError: RuntimeError when making fake tensor call Explanation: Dynamo failed to run FX node with fake tensors: call_method cos((GradTrackingTensor(lvl=1, value= FakeTensor(..., size=(3,)) ),), **{}): got RuntimeError('tls_on_entry.has_value() INTERNAL ASSERT FAILED at "/var/lib/jenkins/workspace/aten/src/ATen/core/PythonFallbackKernel.cpp":53, please report a bug to PyTorch. ') Hint: Your code may 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. You can do this by removing the torch.compile call, or by using torch.compiler.set_stance("force_eager").

Developer debug context:

For more details about this graph break, please visit: https://meta-pytorch.github.io/compile-graph-break-site/gb/gb4315.html

from user code: File "/var/lib/jenkins/workspace/test/functorch/test_eager_transforms.py", line 3579, in test_grad_vjp expected = grad(lambda x: (x * x.cos()).sum())(x) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_functorch/apis.py", line 433, in wrapper return eager_transforms.grad_impl(func, argnums, has_aux, args, kwargs) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_functorch/eager_transforms.py", line 1533, in grad_impl results = grad_and_value_impl(func, argnums, has_aux, args, kwargs) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_functorch/vmap.py", line 56, in fn return f(*args, **kwargs) File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_functorch/eager_transforms.py", line 1484, in grad_and_value_impl output = func(*args, **kwargs) File "/var/lib/jenkins/workspace/test/functorch/test_eager_transforms.py", line 3579, in <lambda> expected = grad(lambda x: (x * x.cos()).sum())(x)

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"

To execute this test, run the following from the base repo dir: PYTORCH_TEST_WITH_DYNAMO=1 python test/functorch/test_eager_transforms.py TestComposabilityCPU.test_grad_vjp_cpu

This message can be suppressed by setting PYTORCH_PRINT_REPRO_ON_FAILURE=0

Root Cause

This test was disabled because it is failing in CI. See recent examples and the most recent trunk workflow logs.

Fix Action

Fix / Workaround

Traceback (most recent call last):
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/testing/_internal/common_utils.py", line 3448, in wrapper
    method(*args, **kwargs)
    ~~~~~~^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/testing/_internal/common_device_type.py", line 459, in instantiated_test
    raise rte
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/testing/_internal/common_device_type.py", line 439, in instantiated_test
    result = test(self, **param_kwargs)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 2480, in __call__
    result = self._torchdynamo_orig_backend(
        frame, cache_entry, self.hooks, frame_state, skip=1
    )
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 2198, in __call__
    result = self._inner_convert(
        frame, cache_entry, hooks, frame_state, skip=skip + 1
    )
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 758, in __call__
    result = _compile(
        frame.f_code,
    ...<16 lines>...
        convert_frame_box=self._box,
    )
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 1983, in _compile
    guarded_code, tracer_output = compile_inner(code, one_graph, hooks)
                                  ~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_utils_internal.py", line 96, in wrapper_function
    return function(*args, **kwargs)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 1593, in compile_inner
    result = _compile_inner(code, one_graph, hooks)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 1652, in _compile_inner
    dynamo_output = compile_frame(
        code,
    ...<11 lines>...
        package=package,
    )
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 1500, in compile_frame
    bytecode, tracer_output = transform_code_object(code, transform)
                              ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/bytecode_transformation.py", line 1626, in transform_code_object
    tracer_output = transformations(instructions, code_options)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 1472, in transform
    tracer_output = trace_frame(
        code,
    ...<14 lines>...
        package=package,
    )
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 365, in _fn
    return fn(*args, **kwargs)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 933, in trace_frame
    run_tracer()
    ~~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 914, in run_tracer
    tracer.run()
    ~~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run
    while self.step():
          ~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step
    self.dispatch_table[inst.opcode](self, inst)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper
    return inner_fn(self, inst)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4216, in CALL
    self._call(inst)
    ~~~~~~~~~~^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4207, in _call
    self.call_function(fn, args, kwargs)
    ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function
    self.push(fn.call_function(self, args, kwargs))  # type: ignore[arg-type]
              ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 489, in call_function
    return tx.inline_user_function_return(self, [*self.self_args(), *args], kwargs)  # type: ignore[attr-defined]
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1434, in inline_user_function_return
    return InliningInstructionTranslator.inline_call(self, fn, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5309, in inline_call
    return tracer.inline_call_()
           ~~~~~~~~~~~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5530, in inline_call_
    self.run()
    ~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run
    while self.step():
          ~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step
    self.dispatch_table[inst.opcode](self, inst)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper
    return inner_fn(self, inst)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4216, in CALL
    self._call(inst)
    ~~~~~~~~~~^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4207, in _call
    self.call_function(fn, args, kwargs)
    ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function
    self.push(fn.call_function(self, args, kwargs))  # type: ignore[arg-type]
              ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/higher_order_ops.py", line 3265, in call_function
    return super().call_function(tx, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 810, in call_function
    return super().call_function(tx, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 489, in call_function
    return tx.inline_user_function_return(self, [*self.self_args(), *args], kwargs)  # type: ignore[attr-defined]
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1434, in inline_user_function_return
    return InliningInstructionTranslator.inline_call(self, fn, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5309, in inline_call
    return tracer.inline_call_()
           ~~~~~~~~~~~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5530, in inline_call_
    self.run()
    ~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run
    while self.step():
          ~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step
    self.dispatch_table[inst.opcode](self, inst)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper
    return inner_fn(self, inst)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4216, in CALL
    self._call(inst)
    ~~~~~~~~~~^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4207, in _call
    self.call_function(fn, args, kwargs)
    ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function
    self.push(fn.call_function(self, args, kwargs))  # type: ignore[arg-type]
              ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 810, in call_function
    return super().call_function(tx, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 489, in call_function
    return tx.inline_user_function_return(self, [*self.self_args(), *args], kwargs)  # type: ignore[attr-defined]
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1434, in inline_user_function_return
    return InliningInstructionTranslator.inline_call(self, fn, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5309, in inline_call
    return tracer.inline_call_()
           ~~~~~~~~~~~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5530, in inline_call_
    self.run()
    ~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run
    while self.step():
          ~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step
    self.dispatch_table[inst.opcode](self, inst)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper
    return inner_fn(self, inst)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 2896, in CALL_FUNCTION_EX
    self.call_function(fn, argsvars.items, kwargsvars)
    ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function
    self.push(fn.call_function(self, args, kwargs))  # type: ignore[arg-type]
              ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/lazy.py", line 306, in realize_and_forward
    return getattr(self.realize(), name)(*args, **kwargs)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 810, in call_function
    return super().call_function(tx, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 489, in call_function
    return tx.inline_user_function_return(self, [*self.self_args(), *args], kwargs)  # type: ignore[attr-defined]
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1434, in inline_user_function_return
    return InliningInstructionTranslator.inline_call(self, fn, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5309, in inline_call
    return tracer.inline_call_()
           ~~~~~~~~~~~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5530, in inline_call_
    self.run()
    ~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run
    while self.step():
          ~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step
    self.dispatch_table[inst.opcode](self, inst)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper
    return inner_fn(self, inst)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 2896, in CALL_FUNCTION_EX
    self.call_function(fn, argsvars.items, kwargsvars)
    ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function
    self.push(fn.call_function(self, args, kwargs))  # type: ignore[arg-type]
              ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 489, in call_function
    return tx.inline_user_function_return(self, [*self.self_args(), *args], kwargs)  # type: ignore[attr-defined]
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1434, in inline_user_function_return
    return InliningInstructionTranslator.inline_call(self, fn, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5309, in inline_call
    return tracer.inline_call_()
           ~~~~~~~~~~~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5530, in inline_call_
    self.run()
    ~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run
    while self.step():
          ~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step
    self.dispatch_table[inst.opcode](self, inst)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper
    return inner_fn(self, inst)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4216, in CALL
    self._call(inst)
    ~~~~~~~~~~^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4207, in _call
    self.call_function(fn, args, kwargs)
    ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function
    self.push(fn.call_function(self, args, kwargs))  # type: ignore[arg-type]
              ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/misc.py", line 1348, in call_function
    return self.obj.call_method(tx, self.name, list(args), kwargs)
           ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/tensor.py", line 970, in call_method
    result = wrap_fx_proxy(tx, proxy)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/builder.py", line 3101, in wrap_fx_proxy
    return wrap_fx_proxy_cls(target_cls=TensorVariable, **kwargs)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/builder.py", line 3176, in wrap_fx_proxy_cls
    out: VTTypeAlias = _wrap_fx_proxy(
                       ~~~~~~~~~~~~~~^
        target_cls, tx, proxy, example_value, subclass_type, **options
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/builder.py", line 3300, in _wrap_fx_proxy
    example_value = get_fake_value(proxy.node, tx, allow_non_graph_fake=True)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/utils.py", line 3751, in get_fake_value
    return _get_fake_value_impl(node, tx, allow_non_graph_fake)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/utils.py", line 3942, in _get_fake_value_impl
    _wrap_graph_break_with_torch_runtime_err(
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
        lambda: unimplemented(
        ^^^^^^^^^^^^^^^^^^^^^^
    ...<5 lines>...
        )
        ^
    )
    ^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/utils.py", line 3740, in _wrap_graph_break_with_torch_runtime_err
    raise exc.with_traceback(e.__traceback__) from None
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/utils.py", line 3737, in _wrap_graph_break_with_torch_runtime_err
    gb_fn()
    ~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/utils.py", line 3943, in <lambda>
    lambda: unimplemented(
            ~~~~~~~~~~~~~^
        gb_type="RuntimeError when making fake tensor call",
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    ...<3 lines>...
        from_exc=cause,
        ^^^^^^^^^^^^^^^
    )
    ^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/exc.py", line 653, in unimplemented
    raise Unsupported(
        msg, gb_type, skip_frame, real_stack=past_real_stack
    ) from from_exc
torch._dynamo.exc.TorchRuntimeError: RuntimeError when making fake tensor call
  Explanation: Dynamo failed to run FX node with fake tensors: call_method cos(*(GradTrackingTensor(lvl=1, value=
        FakeTensor(..., size=(3,))
    ),), **{}): got RuntimeError('tls_on_entry.has_value() INTERNAL ASSERT FAILED at "/var/lib/jenkins/workspace/aten/src/ATen/core/PythonFallbackKernel.cpp":53, please report a bug to PyTorch. ')
  Hint: Your code may 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. You can do this by removing the `torch.compile` call, or by using `torch.compiler.set_stance("force_eager")`.

Code Example

Traceback (most recent call last):
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/testing/_internal/common_utils.py", line 3448, in wrapper
    method(*args, **kwargs)
    ~~~~~~^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/testing/_internal/common_device_type.py", line 459, in instantiated_test
    raise rte
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/testing/_internal/common_device_type.py", line 439, in instantiated_test
    result = test(self, **param_kwargs)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 2480, in __call__
    result = self._torchdynamo_orig_backend(
        frame, cache_entry, self.hooks, frame_state, skip=1
    )
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 2198, in __call__
    result = self._inner_convert(
        frame, cache_entry, hooks, frame_state, skip=skip + 1
    )
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 758, in __call__
    result = _compile(
        frame.f_code,
    ...<16 lines>...
        convert_frame_box=self._box,
    )
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 1983, in _compile
    guarded_code, tracer_output = compile_inner(code, one_graph, hooks)
                                  ~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_utils_internal.py", line 96, in wrapper_function
    return function(*args, **kwargs)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 1593, in compile_inner
    result = _compile_inner(code, one_graph, hooks)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 1652, in _compile_inner
    dynamo_output = compile_frame(
        code,
    ...<11 lines>...
        package=package,
    )
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 1500, in compile_frame
    bytecode, tracer_output = transform_code_object(code, transform)
                              ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/bytecode_transformation.py", line 1626, in transform_code_object
    tracer_output = transformations(instructions, code_options)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 1472, in transform
    tracer_output = trace_frame(
        code,
    ...<14 lines>...
        package=package,
    )
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 365, in _fn
    return fn(*args, **kwargs)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 933, in trace_frame
    run_tracer()
    ~~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 914, in run_tracer
    tracer.run()
    ~~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run
    while self.step():
          ~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step
    self.dispatch_table[inst.opcode](self, inst)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper
    return inner_fn(self, inst)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4216, in CALL
    self._call(inst)
    ~~~~~~~~~~^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4207, in _call
    self.call_function(fn, args, kwargs)
    ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function
    self.push(fn.call_function(self, args, kwargs))  # type: ignore[arg-type]
              ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 489, in call_function
    return tx.inline_user_function_return(self, [*self.self_args(), *args], kwargs)  # type: ignore[attr-defined]
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1434, in inline_user_function_return
    return InliningInstructionTranslator.inline_call(self, fn, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5309, in inline_call
    return tracer.inline_call_()
           ~~~~~~~~~~~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5530, in inline_call_
    self.run()
    ~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run
    while self.step():
          ~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step
    self.dispatch_table[inst.opcode](self, inst)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper
    return inner_fn(self, inst)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4216, in CALL
    self._call(inst)
    ~~~~~~~~~~^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4207, in _call
    self.call_function(fn, args, kwargs)
    ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function
    self.push(fn.call_function(self, args, kwargs))  # type: ignore[arg-type]
              ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/higher_order_ops.py", line 3265, in call_function
    return super().call_function(tx, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 810, in call_function
    return super().call_function(tx, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 489, in call_function
    return tx.inline_user_function_return(self, [*self.self_args(), *args], kwargs)  # type: ignore[attr-defined]
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1434, in inline_user_function_return
    return InliningInstructionTranslator.inline_call(self, fn, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5309, in inline_call
    return tracer.inline_call_()
           ~~~~~~~~~~~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5530, in inline_call_
    self.run()
    ~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run
    while self.step():
          ~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step
    self.dispatch_table[inst.opcode](self, inst)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper
    return inner_fn(self, inst)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4216, in CALL
    self._call(inst)
    ~~~~~~~~~~^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4207, in _call
    self.call_function(fn, args, kwargs)
    ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function
    self.push(fn.call_function(self, args, kwargs))  # type: ignore[arg-type]
              ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 810, in call_function
    return super().call_function(tx, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 489, in call_function
    return tx.inline_user_function_return(self, [*self.self_args(), *args], kwargs)  # type: ignore[attr-defined]
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1434, in inline_user_function_return
    return InliningInstructionTranslator.inline_call(self, fn, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5309, in inline_call
    return tracer.inline_call_()
           ~~~~~~~~~~~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5530, in inline_call_
    self.run()
    ~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run
    while self.step():
          ~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step
    self.dispatch_table[inst.opcode](self, inst)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper
    return inner_fn(self, inst)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 2896, in CALL_FUNCTION_EX
    self.call_function(fn, argsvars.items, kwargsvars)
    ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function
    self.push(fn.call_function(self, args, kwargs))  # type: ignore[arg-type]
              ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/lazy.py", line 306, in realize_and_forward
    return getattr(self.realize(), name)(*args, **kwargs)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 810, in call_function
    return super().call_function(tx, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 489, in call_function
    return tx.inline_user_function_return(self, [*self.self_args(), *args], kwargs)  # type: ignore[attr-defined]
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1434, in inline_user_function_return
    return InliningInstructionTranslator.inline_call(self, fn, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5309, in inline_call
    return tracer.inline_call_()
           ~~~~~~~~~~~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5530, in inline_call_
    self.run()
    ~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run
    while self.step():
          ~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step
    self.dispatch_table[inst.opcode](self, inst)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper
    return inner_fn(self, inst)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 2896, in CALL_FUNCTION_EX
    self.call_function(fn, argsvars.items, kwargsvars)
    ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function
    self.push(fn.call_function(self, args, kwargs))  # type: ignore[arg-type]
              ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 489, in call_function
    return tx.inline_user_function_return(self, [*self.self_args(), *args], kwargs)  # type: ignore[attr-defined]
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1434, in inline_user_function_return
    return InliningInstructionTranslator.inline_call(self, fn, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5309, in inline_call
    return tracer.inline_call_()
           ~~~~~~~~~~~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5530, in inline_call_
    self.run()
    ~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run
    while self.step():
          ~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step
    self.dispatch_table[inst.opcode](self, inst)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper
    return inner_fn(self, inst)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4216, in CALL
    self._call(inst)
    ~~~~~~~~~~^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4207, in _call
    self.call_function(fn, args, kwargs)
    ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function
    self.push(fn.call_function(self, args, kwargs))  # type: ignore[arg-type]
              ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/misc.py", line 1348, in call_function
    return self.obj.call_method(tx, self.name, list(args), kwargs)
           ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/tensor.py", line 970, in call_method
    result = wrap_fx_proxy(tx, proxy)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/builder.py", line 3101, in wrap_fx_proxy
    return wrap_fx_proxy_cls(target_cls=TensorVariable, **kwargs)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/builder.py", line 3176, in wrap_fx_proxy_cls
    out: VTTypeAlias = _wrap_fx_proxy(
                       ~~~~~~~~~~~~~~^
        target_cls, tx, proxy, example_value, subclass_type, **options
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/builder.py", line 3300, in _wrap_fx_proxy
    example_value = get_fake_value(proxy.node, tx, allow_non_graph_fake=True)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/utils.py", line 3751, in get_fake_value
    return _get_fake_value_impl(node, tx, allow_non_graph_fake)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/utils.py", line 3942, in _get_fake_value_impl
    _wrap_graph_break_with_torch_runtime_err(
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
        lambda: unimplemented(
        ^^^^^^^^^^^^^^^^^^^^^^
    ...<5 lines>...
        )
        ^
    )
    ^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/utils.py", line 3740, in _wrap_graph_break_with_torch_runtime_err
    raise exc.with_traceback(e.__traceback__) from None
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/utils.py", line 3737, in _wrap_graph_break_with_torch_runtime_err
    gb_fn()
    ~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/utils.py", line 3943, in <lambda>
    lambda: unimplemented(
            ~~~~~~~~~~~~~^
        gb_type="RuntimeError when making fake tensor call",
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    ...<3 lines>...
        from_exc=cause,
        ^^^^^^^^^^^^^^^
    )
    ^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/exc.py", line 653, in unimplemented
    raise Unsupported(
        msg, gb_type, skip_frame, real_stack=past_real_stack
    ) from from_exc
torch._dynamo.exc.TorchRuntimeError: RuntimeError when making fake tensor call
  Explanation: Dynamo failed to run FX node with fake tensors: call_method cos(*(GradTrackingTensor(lvl=1, value=
        FakeTensor(..., size=(3,))
    ),), **{}): got RuntimeError('tls_on_entry.has_value() INTERNAL ASSERT FAILED at "/var/lib/jenkins/workspace/aten/src/ATen/core/PythonFallbackKernel.cpp":53, please report a bug to PyTorch. ')
  Hint: Your code may 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. You can do this by removing the `torch.compile` call, or by using `torch.compiler.set_stance("force_eager")`. 

  Developer debug context: 

 For more details about this graph break, please visit: https://meta-pytorch.github.io/compile-graph-break-site/gb/gb4315.html

from user code:
   File "/var/lib/jenkins/workspace/test/functorch/test_eager_transforms.py", line 3579, in test_grad_vjp
    expected = grad(lambda x: (x * x.cos()).sum())(x)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_functorch/apis.py", line 433, in wrapper
    return eager_transforms.grad_impl(func, argnums, has_aux, args, kwargs)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_functorch/eager_transforms.py", line 1533, in grad_impl
    results = grad_and_value_impl(func, argnums, has_aux, args, kwargs)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_functorch/vmap.py", line 56, in fn
    return f(*args, **kwargs)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_functorch/eager_transforms.py", line 1484, in grad_and_value_impl
    output = func(*args, **kwargs)
  File "/var/lib/jenkins/workspace/test/functorch/test_eager_transforms.py", line 3579, in <lambda>
    expected = grad(lambda x: (x * x.cos()).sum())(x)

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"


To execute this test, run the following from the base repo dir:
    PYTORCH_TEST_WITH_DYNAMO=1 python test/functorch/test_eager_transforms.py TestComposabilityCPU.test_grad_vjp_cpu

This message can be suppressed by setting PYTORCH_PRINT_REPRO_ON_FAILURE=0
RAW_BUFFERClick to expand / collapse

Platforms: dynamo

This test was disabled because it is failing in CI. See recent examples and the most recent trunk workflow logs.

Over the past 6 hours, it has been determined flaky in 3 workflow(s) with 3 failures and 3 successes.

Debugging instructions (after clicking on the recent samples link): DO NOT ASSUME THINGS ARE OKAY IF THE CI IS GREEN. We now shield flaky tests from developers so CI will thus be green but it will be harder to parse the logs. To find relevant log snippets:

  1. Click on the workflow logs linked above
  2. Click on the Test step of the job so that it is expanded. Otherwise, the grepping will not work.
  3. Grep for test_grad_vjp_cpu
  4. There should be several instances run (as flaky tests are rerun in CI) from which you can study the logs.
<details><summary>Sample error message</summary>
Traceback (most recent call last):
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/testing/_internal/common_utils.py", line 3448, in wrapper
    method(*args, **kwargs)
    ~~~~~~^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/testing/_internal/common_device_type.py", line 459, in instantiated_test
    raise rte
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/testing/_internal/common_device_type.py", line 439, in instantiated_test
    result = test(self, **param_kwargs)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 2480, in __call__
    result = self._torchdynamo_orig_backend(
        frame, cache_entry, self.hooks, frame_state, skip=1
    )
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 2198, in __call__
    result = self._inner_convert(
        frame, cache_entry, hooks, frame_state, skip=skip + 1
    )
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 758, in __call__
    result = _compile(
        frame.f_code,
    ...<16 lines>...
        convert_frame_box=self._box,
    )
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 1983, in _compile
    guarded_code, tracer_output = compile_inner(code, one_graph, hooks)
                                  ~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_utils_internal.py", line 96, in wrapper_function
    return function(*args, **kwargs)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 1593, in compile_inner
    result = _compile_inner(code, one_graph, hooks)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 1652, in _compile_inner
    dynamo_output = compile_frame(
        code,
    ...<11 lines>...
        package=package,
    )
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 1500, in compile_frame
    bytecode, tracer_output = transform_code_object(code, transform)
                              ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/bytecode_transformation.py", line 1626, in transform_code_object
    tracer_output = transformations(instructions, code_options)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 1472, in transform
    tracer_output = trace_frame(
        code,
    ...<14 lines>...
        package=package,
    )
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 365, in _fn
    return fn(*args, **kwargs)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 933, in trace_frame
    run_tracer()
    ~~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/convert_frame.py", line 914, in run_tracer
    tracer.run()
    ~~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run
    while self.step():
          ~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step
    self.dispatch_table[inst.opcode](self, inst)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper
    return inner_fn(self, inst)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4216, in CALL
    self._call(inst)
    ~~~~~~~~~~^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4207, in _call
    self.call_function(fn, args, kwargs)
    ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function
    self.push(fn.call_function(self, args, kwargs))  # type: ignore[arg-type]
              ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 489, in call_function
    return tx.inline_user_function_return(self, [*self.self_args(), *args], kwargs)  # type: ignore[attr-defined]
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1434, in inline_user_function_return
    return InliningInstructionTranslator.inline_call(self, fn, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5309, in inline_call
    return tracer.inline_call_()
           ~~~~~~~~~~~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5530, in inline_call_
    self.run()
    ~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run
    while self.step():
          ~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step
    self.dispatch_table[inst.opcode](self, inst)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper
    return inner_fn(self, inst)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4216, in CALL
    self._call(inst)
    ~~~~~~~~~~^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4207, in _call
    self.call_function(fn, args, kwargs)
    ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function
    self.push(fn.call_function(self, args, kwargs))  # type: ignore[arg-type]
              ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/higher_order_ops.py", line 3265, in call_function
    return super().call_function(tx, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 810, in call_function
    return super().call_function(tx, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 489, in call_function
    return tx.inline_user_function_return(self, [*self.self_args(), *args], kwargs)  # type: ignore[attr-defined]
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1434, in inline_user_function_return
    return InliningInstructionTranslator.inline_call(self, fn, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5309, in inline_call
    return tracer.inline_call_()
           ~~~~~~~~~~~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5530, in inline_call_
    self.run()
    ~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run
    while self.step():
          ~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step
    self.dispatch_table[inst.opcode](self, inst)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper
    return inner_fn(self, inst)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4216, in CALL
    self._call(inst)
    ~~~~~~~~~~^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4207, in _call
    self.call_function(fn, args, kwargs)
    ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function
    self.push(fn.call_function(self, args, kwargs))  # type: ignore[arg-type]
              ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 810, in call_function
    return super().call_function(tx, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 489, in call_function
    return tx.inline_user_function_return(self, [*self.self_args(), *args], kwargs)  # type: ignore[attr-defined]
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1434, in inline_user_function_return
    return InliningInstructionTranslator.inline_call(self, fn, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5309, in inline_call
    return tracer.inline_call_()
           ~~~~~~~~~~~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5530, in inline_call_
    self.run()
    ~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run
    while self.step():
          ~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step
    self.dispatch_table[inst.opcode](self, inst)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper
    return inner_fn(self, inst)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 2896, in CALL_FUNCTION_EX
    self.call_function(fn, argsvars.items, kwargsvars)
    ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function
    self.push(fn.call_function(self, args, kwargs))  # type: ignore[arg-type]
              ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/lazy.py", line 306, in realize_and_forward
    return getattr(self.realize(), name)(*args, **kwargs)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 810, in call_function
    return super().call_function(tx, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 489, in call_function
    return tx.inline_user_function_return(self, [*self.self_args(), *args], kwargs)  # type: ignore[attr-defined]
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1434, in inline_user_function_return
    return InliningInstructionTranslator.inline_call(self, fn, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5309, in inline_call
    return tracer.inline_call_()
           ~~~~~~~~~~~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5530, in inline_call_
    self.run()
    ~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run
    while self.step():
          ~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step
    self.dispatch_table[inst.opcode](self, inst)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper
    return inner_fn(self, inst)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 2896, in CALL_FUNCTION_EX
    self.call_function(fn, argsvars.items, kwargsvars)
    ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function
    self.push(fn.call_function(self, args, kwargs))  # type: ignore[arg-type]
              ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/functions.py", line 489, in call_function
    return tx.inline_user_function_return(self, [*self.self_args(), *args], kwargs)  # type: ignore[attr-defined]
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1434, in inline_user_function_return
    return InliningInstructionTranslator.inline_call(self, fn, args, kwargs)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5309, in inline_call
    return tracer.inline_call_()
           ~~~~~~~~~~~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 5530, in inline_call_
    self.run()
    ~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1839, in run
    while self.step():
          ~~~~~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1506, in step
    self.dispatch_table[inst.opcode](self, inst)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1043, in wrapper
    return inner_fn(self, inst)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4216, in CALL
    self._call(inst)
    ~~~~~~~~~~^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 4207, in _call
    self.call_function(fn, args, kwargs)
    ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/symbolic_convert.py", line 1407, in call_function
    self.push(fn.call_function(self, args, kwargs))  # type: ignore[arg-type]
              ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/misc.py", line 1348, in call_function
    return self.obj.call_method(tx, self.name, list(args), kwargs)
           ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/tensor.py", line 970, in call_method
    result = wrap_fx_proxy(tx, proxy)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/builder.py", line 3101, in wrap_fx_proxy
    return wrap_fx_proxy_cls(target_cls=TensorVariable, **kwargs)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/builder.py", line 3176, in wrap_fx_proxy_cls
    out: VTTypeAlias = _wrap_fx_proxy(
                       ~~~~~~~~~~~~~~^
        target_cls, tx, proxy, example_value, subclass_type, **options
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/variables/builder.py", line 3300, in _wrap_fx_proxy
    example_value = get_fake_value(proxy.node, tx, allow_non_graph_fake=True)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/utils.py", line 3751, in get_fake_value
    return _get_fake_value_impl(node, tx, allow_non_graph_fake)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/utils.py", line 3942, in _get_fake_value_impl
    _wrap_graph_break_with_torch_runtime_err(
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
        lambda: unimplemented(
        ^^^^^^^^^^^^^^^^^^^^^^
    ...<5 lines>...
        )
        ^
    )
    ^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/utils.py", line 3740, in _wrap_graph_break_with_torch_runtime_err
    raise exc.with_traceback(e.__traceback__) from None
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/utils.py", line 3737, in _wrap_graph_break_with_torch_runtime_err
    gb_fn()
    ~~~~~^^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/utils.py", line 3943, in <lambda>
    lambda: unimplemented(
            ~~~~~~~~~~~~~^
        gb_type="RuntimeError when making fake tensor call",
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    ...<3 lines>...
        from_exc=cause,
        ^^^^^^^^^^^^^^^
    )
    ^
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_dynamo/exc.py", line 653, in unimplemented
    raise Unsupported(
        msg, gb_type, skip_frame, real_stack=past_real_stack
    ) from from_exc
torch._dynamo.exc.TorchRuntimeError: RuntimeError when making fake tensor call
  Explanation: Dynamo failed to run FX node with fake tensors: call_method cos(*(GradTrackingTensor(lvl=1, value=
        FakeTensor(..., size=(3,))
    ),), **{}): got RuntimeError('tls_on_entry.has_value() INTERNAL ASSERT FAILED at "/var/lib/jenkins/workspace/aten/src/ATen/core/PythonFallbackKernel.cpp":53, please report a bug to PyTorch. ')
  Hint: Your code may 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. You can do this by removing the `torch.compile` call, or by using `torch.compiler.set_stance("force_eager")`. 

  Developer debug context: 

 For more details about this graph break, please visit: https://meta-pytorch.github.io/compile-graph-break-site/gb/gb4315.html

from user code:
   File "/var/lib/jenkins/workspace/test/functorch/test_eager_transforms.py", line 3579, in test_grad_vjp
    expected = grad(lambda x: (x * x.cos()).sum())(x)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_functorch/apis.py", line 433, in wrapper
    return eager_transforms.grad_impl(func, argnums, has_aux, args, kwargs)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_functorch/eager_transforms.py", line 1533, in grad_impl
    results = grad_and_value_impl(func, argnums, has_aux, args, kwargs)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_functorch/vmap.py", line 56, in fn
    return f(*args, **kwargs)
  File "/opt/conda/envs/py_3.14/lib/python3.14/site-packages/torch/_functorch/eager_transforms.py", line 1484, in grad_and_value_impl
    output = func(*args, **kwargs)
  File "/var/lib/jenkins/workspace/test/functorch/test_eager_transforms.py", line 3579, in <lambda>
    expected = grad(lambda x: (x * x.cos()).sum())(x)

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"


To execute this test, run the following from the base repo dir:
    PYTORCH_TEST_WITH_DYNAMO=1 python test/functorch/test_eager_transforms.py TestComposabilityCPU.test_grad_vjp_cpu

This message can be suppressed by setting PYTORCH_PRINT_REPRO_ON_FAILURE=0
</details>

Test file path: functorch/test_eager_transforms.py

For all disabled tests (by GitHub issue), see https://hud.pytorch.org/disabled.

cc @chauhang @penguinwu @Chillee @samdow @kshitij12345

extent analysis

TL;DR

The most likely fix for the failing test test_grad_vjp_cpu is to modify the test to handle the error when running in eager mode or to remove the torch.compile call.

Guidance

  • The error message indicates that Dynamo failed to run an FX node with fake tensors, resulting in a RuntimeError.
  • The hint provided in the error message suggests checking the code for errors when running in eager mode by removing the torch.compile call or using torch.compiler.set_stance("force_eager").
  • To debug the issue, set TORCHDYNAMO_VERBOSE=1 for the internal stack trace and TORCH_LOGS="+dynamo" for more developer context.
  • Run the test with PYTORCH_TEST_WITH_DYNAMO=1 to reproduce the error.

Example

No specific code example is provided, but the test file functorch/test_eager_transforms.py and the specific test TestComposabilityCPU.test_grad_vjp_cpu can be modified to handle the error.

Notes

The error message provides a link to a graph break site for more details about the error, and the test can be run with specific environment variables to reproduce the error.

Recommendation

Apply a workaround by modifying the test to handle the error when running in eager mode, as the root cause of the issue is not immediately clear from the provided information.

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