Here it is …
#0  0x0000000000000008 in ?? ()
#1  0x00007fffeeed1ad9 in gemm_omp_driver_v2 ()
   from <>/anaconda3/lib/python3.6/site-packages/mkl_fft/../../../libmkl_intel_thread.so
#2  0x00007fffeeed0ae2 in mkl_blas_sgemm ()
   from <>/anaconda3/lib/python3.6/site-packages/mkl_fft/../../../libmkl_intel_thread.so
#3  0x00007fffeb49de1f in mkl_lapack_slarfb ()
   from <>/anaconda3/lib/python3.6/site-packages/mkl_fft/../../../libmkl_core.so
#4  0x00007fffef883398 in mkl_lapack_sorgqr ()
   from <>/anaconda3/lib/python3.6/site-packages/mkl_fft/../../../libmkl_intel_thread.so
#5  0x00007ffff109c808 in sorgqr_ ()
   from <>/anaconda3/lib/python3.6/site-packages/mkl_fft/../../../libmkl_intel_lp64.so
#6  0x00007fff9fcb0bc2 in at::native::_qr_helper_cpu(at::Tensor const&, bool) ()
   from <>/anaconda3/lib/python3.6/site-packages/torch/lib/libtorch.so
#7  0x00007fffa012c9e5 in at::CPUType::(anonymous namespace)::_qr_helper(at::Tensor const&, bool) ()
   from <>/anaconda3/lib/python3.6/site-packages/torch/lib/libtorch.so
#8  0x00007fffa0154520 in c10::detail::wrap_kernel_functor_unboxed_<c10::detail::WrapRuntimeKernelFunctor_<std::tuple<at::Tensor, at::Tensor> (*)(at::Tensor const&, bool), std::tuple<at::Tensor, at::Tensor>, c10::guts::typelist::typelist<at::Tensor const&, bool> >, std::tuple<at::Tensor, at::Tensor> (at::Tensor const&, bool)>::call(c10::OperatorKernel*, at::Tensor const&, bool) () from <>/anaconda3/lib/python3.6/site-packages/torch/lib/libtorch.so
#9  0x00007fff9fca014a in at::_qr_helper(at::Tensor const&, bool) ()
   from <>/anaconda3/lib/python3.6/site-packages/torch/lib/libtorch.so
#10 0x00007fff9fca04b7 in at::native::qr(at::Tensor const&, bool) ()
   from <>/anaconda3/lib/python3.6/site-packages/torch/lib/libtorch.so
---Type <return> to continue, or q <return> to quit---
#11 0x00007fffa0286f85 in at::TypeDefault::qr(at::Tensor const&, bool) ()
   from <>/anaconda3/lib/python3.6/site-packages/torch/lib/libtorch.so
#12 0x00007fffa0154520 in c10::detail::wrap_kernel_functor_unboxed_<c10::detail::WrapRuntimeKernelFunctor_<std::tuple<at::Tensor, at::Tensor> (*)(at::Tensor const&, bool), std::tuple<at::Tensor, at::Tensor>, c10::guts::typelist::typelist<at::Tensor const&, bool> >, std::tuple<at::Tensor, at::Tensor> (at::Tensor const&, bool)>::call(c10::OperatorKernel*, at::Tensor const&, bool) () from /sps/baoradio/JEC/anaconda3/lib/python3.6/site-packages/torch/lib/libtorch.so
#13 0x00007fffa1e8b892 in torch::autograd::VariableType::(anonymous namespace)::qr(at::Tensor const&, bool) ()
   from <>/anaconda3/lib/python3.6/site-packages/torch/lib/libtorch.so
#14 0x00007fffa0154520 in c10::detail::wrap_kernel_functor_unboxed_<c10::detail::WrapRuntimeKernelFunctor_<std::tuple<at::Tensor, at::Tensor> (*)(at::Tensor const&, bool), std::tuple<at::Tensor, at::Tensor>, c10::guts::typelist::typelist<at::Tensor const&, bool> >, std::tuple<at::Tensor, at::Tensor> (at::Tensor const&, bool)>::call(c10::OperatorKernel*, at::Tensor const&, bool) () from <>/anaconda3/lib/python3.6/site-packages/torch/lib/libtorch.so
#15 0x00007fffe9755d10 in std::result_of<std::tuple<at::Tensor, at::Tensor> c10::impl::OperatorEntry::callUnboxedOnly<std::tuple<at::Tensor, at::Tensor>, at::Tensor const&, bool>(c10::TensorTypeId, at::Tensor const&, bool) const::{lambda(c10::DispatchTable const&)#1} (c10::DispatchTable const&)>::type c10::LeftRight<c10::DispatchTable>::read<std::tuple<at::Tensor, at::Tensor> c10::impl::OperatorEntry::callUnboxedOnly<std::tuple<at::Tensor, at::Tensor>, at::Tensor const&, bool>(c10::TensorTypeId, at::Tensor const&, bool) const::{lambda(c10::DispatchTable const&)#1}>(std::tuple<at::Tensor, at::Tensor> c10::impl::OperatorEntry::callUnboxedOnly<std::tuple<at::Tensor, at::Tensor>, at::Tensor const&, bool>(c10::TensorTypeId, at::Tensor const&, bool) const::{lambda(c10::DispatchTable const&)#1}&&) const ()
   from <>/anaconda3/lib/python3.6/site-packages/torch/lib/libtorch_python.so
#16 0x00007fffe962016c in torch::autograd::THPVariable_qr ()
   from <>/anaconda3/lib/python3.6/site-packages/torch/lib/libtorch_python.so
#17 0x0000555555662b94 in _PyCFunction_FastCallDict ()
---Type <return> to continue, or q <return> to quit---
#18 0x00005555556f267c in call_function ()
#19 0x0000555555714cba in _PyEval_EvalFrameDefault ()
#20 0x00005555556eba94 in _PyEval_EvalCodeWithName ()
#21 0x00005555556ec941 in fast_function ()
#22 0x00005555556f2755 in call_function ()
#23 0x0000555555714cba in _PyEval_EvalFrameDefault ()
#24 0x00005555556ec70b in fast_function ()
#25 0x00005555556f2755 in call_function ()
#26 0x0000555555714cba in _PyEval_EvalFrameDefault ()
#27 0x00005555556ebc26 in _PyEval_EvalCodeWithName ()
#28 0x00005555556ece1b in _PyFunction_FastCallDict ()
#29 0x0000555555662f5f in _PyObject_FastCallDict ()
#30 0x0000555555667a03 in _PyObject_Call_Prepend ()
#31 0x000055555566299e in PyObject_Call ()
#32 0x00005555556bf02b in slot_tp_init ()
#33 0x00005555556f29b7 in type_call ()
#34 0x0000555555662d7b in _PyObject_FastCallDict ()
#35 0x00005555556f27ce in call_function ()
#36 0x0000555555714cba in _PyEval_EvalFrameDefault ()
#37 0x00005555556ed459 in PyEval_EvalCodeEx ()
#38 0x00005555556ee1ec in PyEval_EvalCode ()
#39 0x00005555557689a4 in run_mod ()
#40 0x0000555555768da1 in PyRun_FileExFlags ()
---Type <return> to continue, or q <return> to quit---
#41 0x0000555555768fa4 in PyRun_SimpleFileExFlags ()
#42 0x000055555576ca9e in Py_Main ()
#43 0x00005555556344be in main ()