[BE] Fix typos in SyntaxError description #154436
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Which inherits from `RuntimeError` and contains `error_code`, which in case of CUDA should contain error returned by `cudaGetLastError` `torch::detail::_new_accelerator_error_object(c10::AcceleratorError&)` follows the pattern of CPython's [`PyErr_SetString`](https://github.com/python/cpython/blob/cb8a72b301f47e76d93a7fe5b259e9a5758792e1/Python/errors.c#L282), namely - Convert cstr into Python string with `PyUnicode_FromString` - Create new exception object using `PyObject_CallOneArg` just like it's done in [`_PyErr_CreateException`](https://github.com/python/cpython/blob/cb8a72b301f47e76d93a7fe5b259e9a5758792e1/Python/errors.c#L32) - Set `error_code` property using `PyObject_SetAttrString` - decref all temporary references Test that it works and captures CPP backtrace (in addition to CI) by running ```python import os os.environ['TORCH_SHOW_CPP_STACKTRACES'] = '1' import torch x = torch.rand(10, device="cuda") y = torch.arange(20, device="cuda") try: x[y] = 2 print(x) except torch.AcceleratorError as e: print("Exception was raised", e.args[0]) print("Captured error code is ", e.error_code) ``` which produces following output ``` Exception was raised CUDA error: device-side assert triggered CUDA kernel errors might be asynchronously reported at some other API call, so the stacktrace below might be incorrect. For debugging consider passing CUDA_LAUNCH_BLOCKING=1 Compile with `TORCH_USE_CUDA_DSA` to enable device-side assertions. Exception raised from c10_cuda_check_implementation at /home/ubuntu/pytorch/c10/cuda/CUDAException.cpp:41 (most recent call first): C++ CapturedTraceback: #4 std::_Function_handler<std::shared_ptr<c10::LazyValue<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > const> (), c10::SetStackTraceFetcher(std::function<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > ()>)::{lambda()#1}>::_M_invoke(std::_Any_data const&) from Logging.cpp:0 #5 c10::Error::Error(c10::SourceLocation, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >) from ??:0 #6 c10::cuda::c10_cuda_check_implementation(int, char const*, char const*, int, bool) [clone .cold] from CUDAException.cpp:0 #7 void at::native::gpu_kernel_impl<at::native::AbsFunctor<float> >(at::TensorIteratorBase&, at::native::AbsFunctor<float> const&) [clone .isra.0] from tmpxft_000191fc_00000000-6_AbsKernel.cudafe1.cpp:0 #8 at::native::abs_kernel_cuda(at::TensorIteratorBase&) from ??:0 #9 at::Tensor& at::native::unary_op_impl_with_complex_to_float_out<at::native::abs_stub_DECLARE_DISPATCH_type>(at::Tensor&, at::Tensor const&, at::native::abs_stub_DECLARE_DISPATCH_type&, bool) [clone .constprop.0] from UnaryOps.cpp:0 #10 at::(anonymous namespace)::(anonymous namespace)::wrapper_CUDA_out_abs_out(at::Tensor const&, at::Tensor&) from RegisterCUDA_0.cpp:0 #11 at::_ops::abs_out::call(at::Tensor const&, at::Tensor&) from ??:0 #12 at::native::abs(at::Tensor const&) from ??:0 #13 c10::impl::wrap_kernel_functor_unboxed_<c10::impl::detail::WrapFunctionIntoFunctor_<c10::CompileTimeFunctionPointer<at::Tensor (at::Tensor const&), &at::(anonymous namespace)::(anonymous namespace)::wrapper_CompositeExplicitAutograd__abs>, at::Tensor, c10::guts::typelist::typelist<at::Tensor const&> >, at::Tensor (at::Tensor const&)>::call(c10::OperatorKernel*, c10::DispatchKeySet, at::Tensor const&) from RegisterCompositeExplicitAutograd_0.cpp:0 #14 at::_ops::abs::redispatch(c10::DispatchKeySet, at::Tensor const&) from ??:0 #15 torch::autograd::VariableType::(anonymous namespace)::abs(c10::DispatchKeySet, at::Tensor const&) from VariableType_1.cpp:0 #16 c10::impl::wrap_kernel_functor_unboxed_<c10::impl::detail::WrapFunctionIntoFunctor_<c10::CompileTimeFunctionPointer<at::Tensor (c10::DispatchKeySet, at::Tensor const&), &torch::autograd::VariableType::(anonymous namespace)::abs>, at::Tensor, c10::guts::typelist::typelist<c10::DispatchKeySet, at::Tensor const&> >, at::Tensor (c10::DispatchKeySet, at::Tensor const&)>::call(c10::OperatorKernel*, c10::DispatchKeySet, at::Tensor const&) from VariableType_1.cpp:0 #17 at::_ops::abs::call(at::Tensor const&) from ??:0 #18 at::native::isfinite(at::Tensor const&) from ??:0 #19 c10::impl::wrap_kernel_functor_unboxed_<c10::impl::detail::WrapFunctionIntoFunctor_<c10::CompileTimeFunctionPointer<at::Tensor (at::Tensor const&), &at::(anonymous namespace)::(anonymous namespace)::wrapper_CompositeImplicitAutograd__isfinite>, at::Tensor, c10::guts::typelist::typelist<at::Tensor const&> >, at::Tensor (at::Tensor const&)>::call(c10::OperatorKernel*, c10::DispatchKeySet, at::Tensor const&) from RegisterCompositeImplicitAutograd_0.cpp:0 #20 at::_ops::isfinite::call(at::Tensor const&) from ??:0 #21 torch::autograd::THPVariable_isfinite(_object*, _object*, _object*) from python_torch_functions_2.cpp:0 #22 PyObject_CallFunctionObjArgs from ??:0 #23 _PyObject_MakeTpCall from ??:0 #24 _PyEval_EvalFrameDefault from ??:0 #25 _PyObject_FastCallDictTstate from ??:0 #26 _PyStack_AsDict from ??:0 #27 _PyObject_MakeTpCall from ??:0 #28 _PyEval_EvalFrameDefault from ??:0 #29 _PyFunction_Vectorcall from ??:0 #30 _PyEval_EvalFrameDefault from ??:0 #31 _PyFunction_Vectorcall from ??:0 #32 _PyEval_EvalFrameDefault from ??:0 #33 _PyFunction_Vectorcall from ??:0 #34 _PyEval_EvalFrameDefault from ??:0 #35 PyFrame_GetCode from ??:0 #36 PyNumber_Xor from ??:0 #37 PyObject_Str from ??:0 #38 PyFile_WriteObject from ??:0 #39 _PyWideStringList_AsList from ??:0 #40 _PyDict_NewPresized from ??:0 #41 _PyEval_EvalFrameDefault from ??:0 #42 PyEval_EvalCode from ??:0 #43 PyEval_EvalCode from ??:0 #44 PyUnicode_Tailmatch from ??:0 #45 PyInit__collections from ??:0 #46 PyUnicode_Tailmatch from ??:0 #47 _PyRun_SimpleFileObject from ??:0 #48 _PyRun_AnyFileObject from ??:0 #49 Py_RunMain from ??:0 #50 Py_BytesMain from ??:0 #51 __libc_init_first from ??:0 #52 __libc_start_main from ??:0 #53 _start from ??:0 Captured error code is 710 ``` Pull Request resolved: #152023 Approved by: https://github.com/eqy, https://github.com/mradmila, https://github.com/ngimel ghstack dependencies: #154436
nWEIdia
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Jun 2, 2025
Which inherits from `RuntimeError` and contains `error_code`, which in case of CUDA should contain error returned by `cudaGetLastError` `torch::detail::_new_accelerator_error_object(c10::AcceleratorError&)` follows the pattern of CPython's [`PyErr_SetString`](https://github.com/python/cpython/blob/cb8a72b301f47e76d93a7fe5b259e9a5758792e1/Python/errors.c#L282), namely - Convert cstr into Python string with `PyUnicode_FromString` - Create new exception object using `PyObject_CallOneArg` just like it's done in [`_PyErr_CreateException`](https://github.com/python/cpython/blob/cb8a72b301f47e76d93a7fe5b259e9a5758792e1/Python/errors.c#L32) - Set `error_code` property using `PyObject_SetAttrString` - decref all temporary references Test that it works and captures CPP backtrace (in addition to CI) by running ```python import os os.environ['TORCH_SHOW_CPP_STACKTRACES'] = '1' import torch x = torch.rand(10, device="cuda") y = torch.arange(20, device="cuda") try: x[y] = 2 print(x) except torch.AcceleratorError as e: print("Exception was raised", e.args[0]) print("Captured error code is ", e.error_code) ``` which produces following output ``` Exception was raised CUDA error: device-side assert triggered CUDA kernel errors might be asynchronously reported at some other API call, so the stacktrace below might be incorrect. For debugging consider passing CUDA_LAUNCH_BLOCKING=1 Compile with `TORCH_USE_CUDA_DSA` to enable device-side assertions. Exception raised from c10_cuda_check_implementation at /home/ubuntu/pytorch/c10/cuda/CUDAException.cpp:41 (most recent call first): C++ CapturedTraceback: pytorch#4 std::_Function_handler<std::shared_ptr<c10::LazyValue<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > const> (), c10::SetStackTraceFetcher(std::function<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > ()>)::{lambda()pytorch#1}>::_M_invoke(std::_Any_data const&) from Logging.cpp:0 pytorch#5 c10::Error::Error(c10::SourceLocation, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >) from ??:0 pytorch#6 c10::cuda::c10_cuda_check_implementation(int, char const*, char const*, int, bool) [clone .cold] from CUDAException.cpp:0 pytorch#7 void at::native::gpu_kernel_impl<at::native::AbsFunctor<float> >(at::TensorIteratorBase&, at::native::AbsFunctor<float> const&) [clone .isra.0] from tmpxft_000191fc_00000000-6_AbsKernel.cudafe1.cpp:0 pytorch#8 at::native::abs_kernel_cuda(at::TensorIteratorBase&) from ??:0 pytorch#9 at::Tensor& at::native::unary_op_impl_with_complex_to_float_out<at::native::abs_stub_DECLARE_DISPATCH_type>(at::Tensor&, at::Tensor const&, at::native::abs_stub_DECLARE_DISPATCH_type&, bool) [clone .constprop.0] from UnaryOps.cpp:0 pytorch#10 at::(anonymous namespace)::(anonymous namespace)::wrapper_CUDA_out_abs_out(at::Tensor const&, at::Tensor&) from RegisterCUDA_0.cpp:0 pytorch#11 at::_ops::abs_out::call(at::Tensor const&, at::Tensor&) from ??:0 pytorch#12 at::native::abs(at::Tensor const&) from ??:0 pytorch#13 c10::impl::wrap_kernel_functor_unboxed_<c10::impl::detail::WrapFunctionIntoFunctor_<c10::CompileTimeFunctionPointer<at::Tensor (at::Tensor const&), &at::(anonymous namespace)::(anonymous namespace)::wrapper_CompositeExplicitAutograd__abs>, at::Tensor, c10::guts::typelist::typelist<at::Tensor const&> >, at::Tensor (at::Tensor const&)>::call(c10::OperatorKernel*, c10::DispatchKeySet, at::Tensor const&) from RegisterCompositeExplicitAutograd_0.cpp:0 pytorch#14 at::_ops::abs::redispatch(c10::DispatchKeySet, at::Tensor const&) from ??:0 pytorch#15 torch::autograd::VariableType::(anonymous namespace)::abs(c10::DispatchKeySet, at::Tensor const&) from VariableType_1.cpp:0 pytorch#16 c10::impl::wrap_kernel_functor_unboxed_<c10::impl::detail::WrapFunctionIntoFunctor_<c10::CompileTimeFunctionPointer<at::Tensor (c10::DispatchKeySet, at::Tensor const&), &torch::autograd::VariableType::(anonymous namespace)::abs>, at::Tensor, c10::guts::typelist::typelist<c10::DispatchKeySet, at::Tensor const&> >, at::Tensor (c10::DispatchKeySet, at::Tensor const&)>::call(c10::OperatorKernel*, c10::DispatchKeySet, at::Tensor const&) from VariableType_1.cpp:0 pytorch#17 at::_ops::abs::call(at::Tensor const&) from ??:0 pytorch#18 at::native::isfinite(at::Tensor const&) from ??:0 pytorch#19 c10::impl::wrap_kernel_functor_unboxed_<c10::impl::detail::WrapFunctionIntoFunctor_<c10::CompileTimeFunctionPointer<at::Tensor (at::Tensor const&), &at::(anonymous namespace)::(anonymous namespace)::wrapper_CompositeImplicitAutograd__isfinite>, at::Tensor, c10::guts::typelist::typelist<at::Tensor const&> >, at::Tensor (at::Tensor const&)>::call(c10::OperatorKernel*, c10::DispatchKeySet, at::Tensor const&) from RegisterCompositeImplicitAutograd_0.cpp:0 pytorch#20 at::_ops::isfinite::call(at::Tensor const&) from ??:0 pytorch#21 torch::autograd::THPVariable_isfinite(_object*, _object*, _object*) from python_torch_functions_2.cpp:0 pytorch#22 PyObject_CallFunctionObjArgs from ??:0 pytorch#23 _PyObject_MakeTpCall from ??:0 pytorch#24 _PyEval_EvalFrameDefault from ??:0 pytorch#25 _PyObject_FastCallDictTstate from ??:0 pytorch#26 _PyStack_AsDict from ??:0 pytorch#27 _PyObject_MakeTpCall from ??:0 pytorch#28 _PyEval_EvalFrameDefault from ??:0 pytorch#29 _PyFunction_Vectorcall from ??:0 pytorch#30 _PyEval_EvalFrameDefault from ??:0 pytorch#31 _PyFunction_Vectorcall from ??:0 pytorch#32 _PyEval_EvalFrameDefault from ??:0 pytorch#33 _PyFunction_Vectorcall from ??:0 pytorch#34 _PyEval_EvalFrameDefault from ??:0 pytorch#35 PyFrame_GetCode from ??:0 pytorch#36 PyNumber_Xor from ??:0 pytorch#37 PyObject_Str from ??:0 pytorch#38 PyFile_WriteObject from ??:0 pytorch#39 _PyWideStringList_AsList from ??:0 pytorch#40 _PyDict_NewPresized from ??:0 pytorch#41 _PyEval_EvalFrameDefault from ??:0 pytorch#42 PyEval_EvalCode from ??:0 pytorch#43 PyEval_EvalCode from ??:0 pytorch#44 PyUnicode_Tailmatch from ??:0 pytorch#45 PyInit__collections from ??:0 pytorch#46 PyUnicode_Tailmatch from ??:0 pytorch#47 _PyRun_SimpleFileObject from ??:0 pytorch#48 _PyRun_AnyFileObject from ??:0 pytorch#49 Py_RunMain from ??:0 pytorch#50 Py_BytesMain from ??:0 pytorch#51 __libc_init_first from ??:0 pytorch#52 __libc_start_main from ??:0 pytorch#53 _start from ??:0 Captured error code is 710 ``` Pull Request resolved: pytorch#152023 Approved by: https://github.com/eqy, https://github.com/mradmila, https://github.com/ngimel ghstack dependencies: pytorch#154436
qingyi-yan
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Jun 3, 2025
Which inherits from `RuntimeError` and contains `error_code`, which in case of CUDA should contain error returned by `cudaGetLastError` `torch::detail::_new_accelerator_error_object(c10::AcceleratorError&)` follows the pattern of CPython's [`PyErr_SetString`](https://github.com/python/cpython/blob/cb8a72b301f47e76d93a7fe5b259e9a5758792e1/Python/errors.c#L282), namely - Convert cstr into Python string with `PyUnicode_FromString` - Create new exception object using `PyObject_CallOneArg` just like it's done in [`_PyErr_CreateException`](https://github.com/python/cpython/blob/cb8a72b301f47e76d93a7fe5b259e9a5758792e1/Python/errors.c#L32) - Set `error_code` property using `PyObject_SetAttrString` - decref all temporary references Test that it works and captures CPP backtrace (in addition to CI) by running ```python import os os.environ['TORCH_SHOW_CPP_STACKTRACES'] = '1' import torch x = torch.rand(10, device="cuda") y = torch.arange(20, device="cuda") try: x[y] = 2 print(x) except torch.AcceleratorError as e: print("Exception was raised", e.args[0]) print("Captured error code is ", e.error_code) ``` which produces following output ``` Exception was raised CUDA error: device-side assert triggered CUDA kernel errors might be asynchronously reported at some other API call, so the stacktrace below might be incorrect. For debugging consider passing CUDA_LAUNCH_BLOCKING=1 Compile with `TORCH_USE_CUDA_DSA` to enable device-side assertions. Exception raised from c10_cuda_check_implementation at /home/ubuntu/pytorch/c10/cuda/CUDAException.cpp:41 (most recent call first): C++ CapturedTraceback: pytorch#4 std::_Function_handler<std::shared_ptr<c10::LazyValue<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > const> (), c10::SetStackTraceFetcher(std::function<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > ()>)::{lambda()pytorch#1}>::_M_invoke(std::_Any_data const&) from Logging.cpp:0 pytorch#5 c10::Error::Error(c10::SourceLocation, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >) from ??:0 pytorch#6 c10::cuda::c10_cuda_check_implementation(int, char const*, char const*, int, bool) [clone .cold] from CUDAException.cpp:0 pytorch#7 void at::native::gpu_kernel_impl<at::native::AbsFunctor<float> >(at::TensorIteratorBase&, at::native::AbsFunctor<float> const&) [clone .isra.0] from tmpxft_000191fc_00000000-6_AbsKernel.cudafe1.cpp:0 pytorch#8 at::native::abs_kernel_cuda(at::TensorIteratorBase&) from ??:0 pytorch#9 at::Tensor& at::native::unary_op_impl_with_complex_to_float_out<at::native::abs_stub_DECLARE_DISPATCH_type>(at::Tensor&, at::Tensor const&, at::native::abs_stub_DECLARE_DISPATCH_type&, bool) [clone .constprop.0] from UnaryOps.cpp:0 pytorch#10 at::(anonymous namespace)::(anonymous namespace)::wrapper_CUDA_out_abs_out(at::Tensor const&, at::Tensor&) from RegisterCUDA_0.cpp:0 pytorch#11 at::_ops::abs_out::call(at::Tensor const&, at::Tensor&) from ??:0 pytorch#12 at::native::abs(at::Tensor const&) from ??:0 pytorch#13 c10::impl::wrap_kernel_functor_unboxed_<c10::impl::detail::WrapFunctionIntoFunctor_<c10::CompileTimeFunctionPointer<at::Tensor (at::Tensor const&), &at::(anonymous namespace)::(anonymous namespace)::wrapper_CompositeExplicitAutograd__abs>, at::Tensor, c10::guts::typelist::typelist<at::Tensor const&> >, at::Tensor (at::Tensor const&)>::call(c10::OperatorKernel*, c10::DispatchKeySet, at::Tensor const&) from RegisterCompositeExplicitAutograd_0.cpp:0 pytorch#14 at::_ops::abs::redispatch(c10::DispatchKeySet, at::Tensor const&) from ??:0 pytorch#15 torch::autograd::VariableType::(anonymous namespace)::abs(c10::DispatchKeySet, at::Tensor const&) from VariableType_1.cpp:0 pytorch#16 c10::impl::wrap_kernel_functor_unboxed_<c10::impl::detail::WrapFunctionIntoFunctor_<c10::CompileTimeFunctionPointer<at::Tensor (c10::DispatchKeySet, at::Tensor const&), &torch::autograd::VariableType::(anonymous namespace)::abs>, at::Tensor, c10::guts::typelist::typelist<c10::DispatchKeySet, at::Tensor const&> >, at::Tensor (c10::DispatchKeySet, at::Tensor const&)>::call(c10::OperatorKernel*, c10::DispatchKeySet, at::Tensor const&) from VariableType_1.cpp:0 pytorch#17 at::_ops::abs::call(at::Tensor const&) from ??:0 pytorch#18 at::native::isfinite(at::Tensor const&) from ??:0 pytorch#19 c10::impl::wrap_kernel_functor_unboxed_<c10::impl::detail::WrapFunctionIntoFunctor_<c10::CompileTimeFunctionPointer<at::Tensor (at::Tensor const&), &at::(anonymous namespace)::(anonymous namespace)::wrapper_CompositeImplicitAutograd__isfinite>, at::Tensor, c10::guts::typelist::typelist<at::Tensor const&> >, at::Tensor (at::Tensor const&)>::call(c10::OperatorKernel*, c10::DispatchKeySet, at::Tensor const&) from RegisterCompositeImplicitAutograd_0.cpp:0 pytorch#20 at::_ops::isfinite::call(at::Tensor const&) from ??:0 pytorch#21 torch::autograd::THPVariable_isfinite(_object*, _object*, _object*) from python_torch_functions_2.cpp:0 pytorch#22 PyObject_CallFunctionObjArgs from ??:0 pytorch#23 _PyObject_MakeTpCall from ??:0 pytorch#24 _PyEval_EvalFrameDefault from ??:0 pytorch#25 _PyObject_FastCallDictTstate from ??:0 pytorch#26 _PyStack_AsDict from ??:0 pytorch#27 _PyObject_MakeTpCall from ??:0 pytorch#28 _PyEval_EvalFrameDefault from ??:0 pytorch#29 _PyFunction_Vectorcall from ??:0 pytorch#30 _PyEval_EvalFrameDefault from ??:0 pytorch#31 _PyFunction_Vectorcall from ??:0 pytorch#32 _PyEval_EvalFrameDefault from ??:0 pytorch#33 _PyFunction_Vectorcall from ??:0 pytorch#34 _PyEval_EvalFrameDefault from ??:0 pytorch#35 PyFrame_GetCode from ??:0 pytorch#36 PyNumber_Xor from ??:0 pytorch#37 PyObject_Str from ??:0 pytorch#38 PyFile_WriteObject from ??:0 pytorch#39 _PyWideStringList_AsList from ??:0 pytorch#40 _PyDict_NewPresized from ??:0 pytorch#41 _PyEval_EvalFrameDefault from ??:0 pytorch#42 PyEval_EvalCode from ??:0 pytorch#43 PyEval_EvalCode from ??:0 pytorch#44 PyUnicode_Tailmatch from ??:0 pytorch#45 PyInit__collections from ??:0 pytorch#46 PyUnicode_Tailmatch from ??:0 pytorch#47 _PyRun_SimpleFileObject from ??:0 pytorch#48 _PyRun_AnyFileObject from ??:0 pytorch#49 Py_RunMain from ??:0 pytorch#50 Py_BytesMain from ??:0 pytorch#51 __libc_init_first from ??:0 pytorch#52 __libc_start_main from ??:0 pytorch#53 _start from ??:0 Captured error code is 710 ``` Pull Request resolved: pytorch#152023 Approved by: https://github.com/eqy, https://github.com/mradmila, https://github.com/ngimel ghstack dependencies: pytorch#154436
iupaikov-amd
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Jun 4, 2025
Which inherits from `RuntimeError` and contains `error_code`, which in case of CUDA should contain error returned by `cudaGetLastError` `torch::detail::_new_accelerator_error_object(c10::AcceleratorError&)` follows the pattern of CPython's [`PyErr_SetString`](https://github.com/python/cpython/blob/cb8a72b301f47e76d93a7fe5b259e9a5758792e1/Python/errors.c#L282), namely - Convert cstr into Python string with `PyUnicode_FromString` - Create new exception object using `PyObject_CallOneArg` just like it's done in [`_PyErr_CreateException`](https://github.com/python/cpython/blob/cb8a72b301f47e76d93a7fe5b259e9a5758792e1/Python/errors.c#L32) - Set `error_code` property using `PyObject_SetAttrString` - decref all temporary references Test that it works and captures CPP backtrace (in addition to CI) by running ```python import os os.environ['TORCH_SHOW_CPP_STACKTRACES'] = '1' import torch x = torch.rand(10, device="cuda") y = torch.arange(20, device="cuda") try: x[y] = 2 print(x) except torch.AcceleratorError as e: print("Exception was raised", e.args[0]) print("Captured error code is ", e.error_code) ``` which produces following output ``` Exception was raised CUDA error: device-side assert triggered CUDA kernel errors might be asynchronously reported at some other API call, so the stacktrace below might be incorrect. For debugging consider passing CUDA_LAUNCH_BLOCKING=1 Compile with `TORCH_USE_CUDA_DSA` to enable device-side assertions. Exception raised from c10_cuda_check_implementation at /home/ubuntu/pytorch/c10/cuda/CUDAException.cpp:41 (most recent call first): C++ CapturedTraceback: #4 std::_Function_handler<std::shared_ptr<c10::LazyValue<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > const> (), c10::SetStackTraceFetcher(std::function<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > ()>)::{lambda()#1}>::_M_invoke(std::_Any_data const&) from Logging.cpp:0 #5 c10::Error::Error(c10::SourceLocation, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >) from ??:0 #6 c10::cuda::c10_cuda_check_implementation(int, char const*, char const*, int, bool) [clone .cold] from CUDAException.cpp:0 #7 void at::native::gpu_kernel_impl<at::native::AbsFunctor<float> >(at::TensorIteratorBase&, at::native::AbsFunctor<float> const&) [clone .isra.0] from tmpxft_000191fc_00000000-6_AbsKernel.cudafe1.cpp:0 #8 at::native::abs_kernel_cuda(at::TensorIteratorBase&) from ??:0 #9 at::Tensor& at::native::unary_op_impl_with_complex_to_float_out<at::native::abs_stub_DECLARE_DISPATCH_type>(at::Tensor&, at::Tensor const&, at::native::abs_stub_DECLARE_DISPATCH_type&, bool) [clone .constprop.0] from UnaryOps.cpp:0 #10 at::(anonymous namespace)::(anonymous namespace)::wrapper_CUDA_out_abs_out(at::Tensor const&, at::Tensor&) from RegisterCUDA_0.cpp:0 #11 at::_ops::abs_out::call(at::Tensor const&, at::Tensor&) from ??:0 #12 at::native::abs(at::Tensor const&) from ??:0 #13 c10::impl::wrap_kernel_functor_unboxed_<c10::impl::detail::WrapFunctionIntoFunctor_<c10::CompileTimeFunctionPointer<at::Tensor (at::Tensor const&), &at::(anonymous namespace)::(anonymous namespace)::wrapper_CompositeExplicitAutograd__abs>, at::Tensor, c10::guts::typelist::typelist<at::Tensor const&> >, at::Tensor (at::Tensor const&)>::call(c10::OperatorKernel*, c10::DispatchKeySet, at::Tensor const&) from RegisterCompositeExplicitAutograd_0.cpp:0 #14 at::_ops::abs::redispatch(c10::DispatchKeySet, at::Tensor const&) from ??:0 #15 torch::autograd::VariableType::(anonymous namespace)::abs(c10::DispatchKeySet, at::Tensor const&) from VariableType_1.cpp:0 #16 c10::impl::wrap_kernel_functor_unboxed_<c10::impl::detail::WrapFunctionIntoFunctor_<c10::CompileTimeFunctionPointer<at::Tensor (c10::DispatchKeySet, at::Tensor const&), &torch::autograd::VariableType::(anonymous namespace)::abs>, at::Tensor, c10::guts::typelist::typelist<c10::DispatchKeySet, at::Tensor const&> >, at::Tensor (c10::DispatchKeySet, at::Tensor const&)>::call(c10::OperatorKernel*, c10::DispatchKeySet, at::Tensor const&) from VariableType_1.cpp:0 #17 at::_ops::abs::call(at::Tensor const&) from ??:0 #18 at::native::isfinite(at::Tensor const&) from ??:0 #19 c10::impl::wrap_kernel_functor_unboxed_<c10::impl::detail::WrapFunctionIntoFunctor_<c10::CompileTimeFunctionPointer<at::Tensor (at::Tensor const&), &at::(anonymous namespace)::(anonymous namespace)::wrapper_CompositeImplicitAutograd__isfinite>, at::Tensor, c10::guts::typelist::typelist<at::Tensor const&> >, at::Tensor (at::Tensor const&)>::call(c10::OperatorKernel*, c10::DispatchKeySet, at::Tensor const&) from RegisterCompositeImplicitAutograd_0.cpp:0 #20 at::_ops::isfinite::call(at::Tensor const&) from ??:0 #21 torch::autograd::THPVariable_isfinite(_object*, _object*, _object*) from python_torch_functions_2.cpp:0 #22 PyObject_CallFunctionObjArgs from ??:0 #23 _PyObject_MakeTpCall from ??:0 #24 _PyEval_EvalFrameDefault from ??:0 #25 _PyObject_FastCallDictTstate from ??:0 #26 _PyStack_AsDict from ??:0 #27 _PyObject_MakeTpCall from ??:0 #28 _PyEval_EvalFrameDefault from ??:0 #29 _PyFunction_Vectorcall from ??:0 #30 _PyEval_EvalFrameDefault from ??:0 #31 _PyFunction_Vectorcall from ??:0 #32 _PyEval_EvalFrameDefault from ??:0 #33 _PyFunction_Vectorcall from ??:0 #34 _PyEval_EvalFrameDefault from ??:0 #35 PyFrame_GetCode from ??:0 #36 PyNumber_Xor from ??:0 #37 PyObject_Str from ??:0 #38 PyFile_WriteObject from ??:0 #39 _PyWideStringList_AsList from ??:0 #40 _PyDict_NewPresized from ??:0 #41 _PyEval_EvalFrameDefault from ??:0 #42 PyEval_EvalCode from ??:0 #43 PyEval_EvalCode from ??:0 #44 PyUnicode_Tailmatch from ??:0 #45 PyInit__collections from ??:0 #46 PyUnicode_Tailmatch from ??:0 #47 _PyRun_SimpleFileObject from ??:0 #48 _PyRun_AnyFileObject from ??:0 #49 Py_RunMain from ??:0 #50 Py_BytesMain from ??:0 #51 __libc_init_first from ??:0 #52 __libc_start_main from ??:0 #53 _start from ??:0 Captured error code is 710 ``` Pull Request resolved: pytorch#152023 Approved by: https://github.com/eqy, https://github.com/mradmila, https://github.com/ngimel ghstack dependencies: pytorch#154436
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