Hi @ptrblck . Thanks for the response. Here’s the backtrace:
#0  0x0000007fb3efefc8 in exec_blas ()
   from /home/project/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#1  0x0000007fb3ed0150 in gemm_driver ()
   from /home/project/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#2  0x0000007fb3ed0bd0 in sgemm_thread_nn ()
   from /home/project/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#3  0x0000007fb3ec95bc in sgemm_ ()
   from /home/project/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#4  0x0000007fb12c9b8c in at::native::cpublas::gemm(at::native::cpublas::TransposeType, at::native::cpublas::TransposeType, long, long, long, float, float const*, long, float const*, long, float, float*, long) ()
   from /home/project/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#5  0x0000007fb1376c48 in at::native::addmm_impl_cpu_(at::Tensor&, at::Tensor const&, at::Tensor, at::Tensor, c10::Scalar const&, c10::Scalar const&) ()
   from /home/project/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#6  0x0000007fb1377618 in at::native::structured_addmm_out_cpu::impl(at::Tensor const&, at::Tensor const&, at::Tensor const&, c10::Scalar const&, c10::Scalar co---Type <return> to continue, or q <return> to quit---
nst&, at::Tensor const&) ()
   from /home/project/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#7  0x0000007fb1bfe568 in at::(anonymous namespace)::wrapper_addmm_(at::Tensor&, at::Tensor const&, at::Tensor const&, c10::Scalar const&, c10::Scalar const&)
    ()
   from /home/project/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#8  0x0000007fb1f863a4 in at::Tensor::addmm_(at::Tensor const&, at::Tensor const&, c10::Scalar const&, c10::Scalar const&) const ()
   from /home/project/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#9  0x0000007fb12e01dc in at::native::slow_conv2d_forward_out_cpu(at::Tensor const&, at::Tensor const&, c10::ArrayRef<long>, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, at::Tensor&, at::Tensor&, at::Tensor&)::{lambda(long, long)#1}::operator()(long, long) const ()
   from /home/project/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#10 0x0000007fb12e2b8c in at::native::slow_conv2d_forward_out_cpu(at::Tensor const&, at::Tensor const&, c10::ArrayRef<long>, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, at::Tensor&, at::Tensor&, at::Tensor&)
    ()
   from /home/project/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.s---Type <return> to continue, or q <return> to quit---
o
#11 0x0000007fb12e372c in at::native::slow_conv2d_forward_cpu(at::Tensor const&, at::Tensor const&, c10::ArrayRef<long>, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>) ()
   from /home/project/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#12 0x0000007fb1c03a14 in c10::impl::wrap_kernel_functor_unboxed_<c10::impl::detail::WrapFunctionIntoFunctor_<c10::CompileTimeFunctionPointer<std::tuple<at::Tensor, at::Tensor, at::Tensor> (at::Tensor const&, at::Tensor const&, c10::ArrayRef<long>, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>), &at::(anonymous namespace)::(anonymous namespace)::wrapper_thnn_conv2d_forward>, std::tuple<at::Tensor, at::Tensor, at::Tensor>, c10::guts::typelist::typelist<at::Tensor const&, at::Tensor const&, c10::ArrayRef<long>, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long> > >, std::tuple<at::Tensor, at::Tensor, at::Tensor> (at::Tensor const&, at::Tensor const&, c10::ArrayRef<long>, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>)>::call(c10::OperatorKernel*, c10::DispatchKeySet, at::Tensor const&, at::Tensor const&, c10::ArrayRef<long>, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>) ()
   from /home/wallbo/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#13 0x0000007fb1b85684 in at::redispatch::thnn_conv2d_forward(c10::DispatchKeySet, at::Tensor const&, at::Tensor const&, c10::ArrayRef<long>, c10::optional<at::---Type <return> to continue, or q <return> to quit---
Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>) ()
   from /home/wallbo/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#14 0x0000007fb3045f28 in torch::autograd::VariableType::(anonymous namespace)::thnn_conv2d_forward(c10::DispatchKeySet, at::Tensor const&, at::Tensor const&, c10::ArrayRef<long>, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>) ()
   from /home/wallbo/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#15 0x0000007fb30466d4 in c10::impl::wrap_kernel_functor_unboxed_<c10::impl::detail::WrapFunctionIntoFunctor_<c10::CompileTimeFunctionPointer<std::tuple<at::Tensor, at::Tensor, at::Tensor> (c10::DispatchKeySet, at::Tensor const&, at::Tensor const&, c10::ArrayRef<long>, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>), &torch::autograd::VariableType::(anonymous namespace)::thnn_conv2d_forward>, std::tuple<at::Tensor, at::Tensor, at::Tensor>, c10::guts::typelist::typelist<c10::DispatchKeySet, at::Tensor const&, at::Tensor const&, c10::ArrayRef<long>, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long> > >, std::tuple<at::Tensor, at::Tensor, at::Tensor> (c10::DispatchKeySet, at::Tensor const&, at::Tensor const&, c10::ArrayRef<long>, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>)>::call(c10::OperatorKernel*, c10::DispatchKeySet, at::Tensor const&, at::Tensor const&, c10::ArrayRef<long>, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>) ()
---Type <return> to continue, or q <return> to quit---
   from /home/project/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#16 0x0000007fb18e90f0 in at::thnn_conv2d_forward(at::Tensor const&, at::Tensor const&, c10::ArrayRef<long>, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>) ()
   from /home/project/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#17 0x0000007fb12dfdfc in at::native::thnn_conv2d(at::Tensor const&, at::Tensor const&, c10::ArrayRef<long>, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>) ()
   from /home/project/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#18 0x0000007fb1db748c in c10::impl::wrap_kernel_functor_unboxed_<c10::impl::detail::WrapFunctionIntoFunctor_<c10::CompileTimeFunctionPointer<at::Tensor (at::Tensor const&, at::Tensor const&, c10::ArrayRef<long>, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>), &at::(anonymous namespace)::(anonymous namespace)::wrapper_thnn_conv2d>, at::Tensor, c10::guts::typelist::typelist<at::Tensor const&, at::Tensor const&, c10::ArrayRef<long>, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long> > >, at::Tensor (at::Tensor const&, at::Tensor const&, c10::ArrayRef<long>, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>)>::call(c10::OperatorKernel*, c10::DispatchKeySet, at::Tensor const&, at::Tensor const&, c10::ArrayRef<long>, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>) ()
---Type <return> to continue, or q <return> to quit---
   from /home/project/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#19 0x0000007fb18e74a0 in at::thnn_conv2d(at::Tensor const&, at::Tensor const&, c10::ArrayRef<long>, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>) ()
   from /home/project/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#20 0x0000007fb12d5f30 in at::native::_convolution_nogroup(at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, bool, c10::ArrayRef<long>) ()
   from /home/project/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#21 0x0000007fb1daf1f0 in c10::impl::wrap_kernel_functor_unboxed_<c10::impl::detail::WrapFunctionIntoFunctor_<c10::CompileTimeFunctionPointer<at::Tensor (at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, bool, c10::ArrayRef<long>), &at::(anonymous namespace)::(anonymous namespace)::wrapper__convolution_nogroup>, at::Tensor, c10::guts::typelist::typelist<at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, bool, c10::ArrayRef<long> > >, at::Tensor (at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, bool, c10::ArrayRef<long>)>::call(c10::OperatorKernel*, c10::DispatchKeySet, at::Tensor const&, at::Tensor const&, c10::option---Type <return> to continue, or q <return> to quit---
al<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, bool, c10::ArrayRef<long>) ()
   from /home/project/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#22 0x0000007fb17a62fc in at::_convolution_nogroup(at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, bool, c10::ArrayRef<long>) ()
   from /home/project/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#23 0x0000007fb12dc8a8 in at::native::_convolution(at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, bool, c10::ArrayRef<long>, long, bool, bool, bool, bool) ()
   from /home/project/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#24 0x0000007fb1daf0ec in c10::impl::wrap_kernel_functor_unboxed_<c10::impl::detail::WrapFunctionIntoFunctor_<c10::CompileTimeFunctionPointer<at::Tensor (at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, bool, c10::ArrayRef<long>, long, bool, bool, bool, bool), &at::(anonymous namespace)::(anonymous namespace)::wrapper__convolution>, at::Tensor, c10::guts::typelist::typelist<at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, bool, c10::ArrayRef<long>, long, bool, boo---Type <return> to continue, or q <return> to quit---
l, bool, bool> >, at::Tensor (at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, bool, c10::ArrayRef<long>, long, bool, bool, bool, bool)>::call(c10::OperatorKernel*, c10::DispatchKeySet, at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, bool, c10::ArrayRef<long>, long, bool, bool, bool, bool) ()
   from /home/wallbo/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#25 0x0000007fb17a3eac in at::_convolution(at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, bool, c10::ArrayRef<long>, long, bool, bool, bool, bool) ()
   from /home/wallbo/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#26 0x0000007fb12d5470 in at::native::convolution(at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, bool, c10::ArrayRef<long>, long) ()
   from /home/wallbo/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#27 0x0000007fb1daf050 in c10::impl::wrap_kernel_functor_unboxed_<c10::impl::detail::WrapFunctionIntoFunctor_<c10::CompileTimeFunctionPointer<at::Tensor (at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, bool, c10::ArrayRef<long>, long), &at::(anonymous namespace)::(anonymous namespace)::wrapper_convolution>, at::---Type <return> to continue, or q <return> to quit---
Tensor, c10::guts::typelist::typelist<at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, bool, c10::ArrayRef<long>, long> >, at::Tensor (at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, bool, c10::ArrayRef<long>, long)>::call(c10::OperatorKernel*, c10::DispatchKeySet, at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, bool, c10::ArrayRef<long>, long) ()
   from /home/wallbo/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#28 0x0000007fb17a2ecc in at::convolution(at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, bool, c10::ArrayRef<long>, long) ()
   from /home/wallbo/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#29 0x0000007fb12d4af4 in at::native::conv1d(at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, long) ()
   from /home/wallbo/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#30 0x0000007fb1daf30c in c10::impl::wrap_kernel_functor_unboxed_<c10::impl::detail::WrapFunctionIntoFunctor_<c10::CompileTimeFunctionPointer<at::Tensor (at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<---Type <return> to continue, or q <return> to quit---
long>, c10::ArrayRef<long>, c10::ArrayRef<long>, long), &at::(anonymous namespace)::(anonymous namespace)::wrapper_conv1d>, at::Tensor, c10::guts::typelist::typelist<at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, long> >, at::Tensor (at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, long)>::call(c10::OperatorKernel*, c10::DispatchKeySet, at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, long) ()
   from /home/wallbo/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#31 0x0000007fb17a6ee4 in at::conv1d(at::Tensor const&, at::Tensor const&, c10::optional<at::Tensor> const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::ArrayRef<long>, long) ()
   from /home/wallbo/.local/lib/python3.6/site-packages/torch/lib/libtorch_cpu.so
#32 0x0000007fb642d100 in torch::autograd::THPVariable_conv1d(_object*, _object*, _object*) ()
   from /home/wallbo/.local/lib/python3.6/site-packages/torch/lib/libtorch_python.so
#33 0x00000000005bbc8c in _PyCFunction_FastCallDict ()
#34 0x000000000052ba70 in ?? ()
#35 0x00000000005306c0 in _PyEval_EvalFrameDefault ()
---Type <return> to continue, or q <return> to quit---
#36 0x0000000000529978 in ?? ()
#37 0x000000000052b8f4 in ?? ()
#38 0x00000000005306c0 in _PyEval_EvalFrameDefault ()
#39 0x0000000000529978 in ?? ()
#40 0x0000000000607a20 in _PyObject_FastCallDict ()
#41 0x00000000005f4d34 in ?? ()
#42 0x0000000000608da8 in PyObject_Call ()
#43 0x000000000052f2d8 in _PyEval_EvalFrameDefault ()
#44 0x000000000052b108 in ?? ()
#45 0x000000000052b42c in _PyFunction_FastCallDict ()
#46 0x0000000000607a20 in _PyObject_FastCallDict ()
#47 0x00000000005f4d34 in ?? ()
#48 0x0000000000608da8 in PyObject_Call ()
#49 0x0000000000597fb4 in ?? ()
#50 0x0000000000607948 in _PyObject_FastCallDict ()
#51 0x000000000052b850 in ?? ()
#52 0x00000000005306c0 in _PyEval_EvalFrameDefault ()
#53 0x0000000000529978 in ?? ()
#54 0x0000000000607a20 in _PyObject_FastCallDict ()
#55 0x00000000005f4d34 in ?? ()
#56 0x0000000000608da8 in PyObject_Call ()
#57 0x000000000052f2d8 in _PyEval_EvalFrameDefault ()
#58 0x000000000052b108 in ?? ()
---Type <return> to continue, or q <return> to quit---
#59 0x000000000052b42c in _PyFunction_FastCallDict ()
#60 0x0000000000607a20 in _PyObject_FastCallDict ()
#61 0x00000000005f4d34 in ?? ()
#62 0x0000000000608da8 in PyObject_Call ()
#63 0x0000000000597fb4 in ?? ()
#64 0x0000000000607948 in _PyObject_FastCallDict ()
#65 0x000000000052b850 in ?? ()
#66 0x00000000005306c0 in _PyEval_EvalFrameDefault ()
#67 0x0000000000529978 in ?? ()
#68 0x0000000000607a20 in _PyObject_FastCallDict ()
#69 0x00000000005f4d34 in ?? ()
#70 0x0000000000608da8 in PyObject_Call ()
#71 0x000000000052f2d8 in _PyEval_EvalFrameDefault ()
#72 0x000000000052b108 in ?? ()
#73 0x000000000052b42c in _PyFunction_FastCallDict ()
#74 0x0000000000607a20 in _PyObject_FastCallDict ()
#75 0x00000000005f4d34 in ?? ()
#76 0x0000000000608da8 in PyObject_Call ()
#77 0x0000000000597fb4 in ?? ()
#78 0x0000000000607948 in _PyObject_FastCallDict ()
#79 0x000000000052b850 in ?? ()
#80 0x00000000005306c0 in _PyEval_EvalFrameDefault ()
#81 0x000000000052b108 in ?? ()
---Type <return> to continue, or q <return> to quit---
#82 0x000000000052b69c in ?? ()
#83 0x000000000052b8f4 in ?? ()
#84 0x0000000000530918 in _PyEval_EvalFrameDefault ()
#85 0x000000000052b108 in ?? ()
#86 0x0000000000631598 in PyRun_FileExFlags ()
#87 0x0000000000636c2c in PyRun_SimpleFileExFlags ()
#88 0x0000000000621428 in Py_Main ()
#89 0x0000000000420d3c in main ()