Here is the full trace. But I have no clue what it is about:
(gdb) run
Starting program: /home/datapsycho/miniconda3/envs/mytorch/bin/python projects/b1_simple_linear_reg.py
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Detaching after fork from child process 7881]
[New Thread 0x7ffefad40700 (LWP 7886)]
[New Thread 0x7ffefa53f700 (LWP 7887)]
[New Thread 0x7ffef7d3e700 (LWP 7888)]
[New Thread 0x7ffef353d700 (LWP 7889)]
[New Thread 0x7ffef0d3c700 (LWP 7890)]
[New Thread 0x7ffeee53b700 (LWP 7891)]
[New Thread 0x7ffeebd3a700 (LWP 7892)]
[New Thread 0x7ffed0b11700 (LWP 7893)]
[New Thread 0x7ffebffff700 (LWP 7894)]
[New Thread 0x7ffebf7fe700 (LWP 7895)]
[New Thread 0x7ffebe56f700 (LWP 7896)]
Epoch:   0%|                                                                                                                       | 0/20 [00:00<?, ?it/s][New Thread 0x7ffebcb43700 (LWP 7897)]                                                                                            | 0/200 [00:00<?, ?it/s]
Epoch:  75%|██████████████████████████████████████████████████████████████████████████████████▌                           | 15/20 [00:01<00:00, 12.00it/s]--Type <RET> for more, q to quit, c to continue without paging--c

Thread 13 "python" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7ffebcb43700 (LWP 7897)]
0x00007fffe8aca5f2 in cudart::threadLaunchState::popConfigForLaunch(cudart::configData&) () from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cuda.so
(gdb) bt
#0  0x00007fffe8aca5f2 in cudart::threadLaunchState::popConfigForLaunch(cudart::configData&) ()
   from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cuda.so
#1  0x00007fffe8ac0662 in __cudaPopCallConfiguration ()
   from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cuda.so
#2  0x00007fffe7e53d26 in void gemmk1_kernel<float, 256, 5, false, false, false, false, cublasGemvTensorStridedBatched<float const>, cublasGemvTensorStridedBatched<float const>, cublasGemvTensorStridedBatched<float>, float>(cublasGemmk1Params<float, cublasGemvTensorStridedBatched<float const>, cublasGemvTensorStridedBatched<float const>, cublasGemvTensorStridedBatched<float>, float, biasType<cublasGemvTensorStridedBatched<float>::value_type, float>::type>)
    () from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cuda.so
#3  0x00007fff96eaea0c in cublasSgemmRecursiveEntry(cublasContext*, int, int, int, int, int, float const*, float const*, int, float const*, int, float const*, float*, int) () from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cuda_cu.so
#4  0x00007fff96eaf377 in cublasSgemm_v2 () from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cuda_cu.so
#5  0x00007fff94d878d9 in void at::cuda::blas::gemm<float>(char, char, long, long, long, float, float const*, long, float const*, long, float, float*, long) () from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cuda_cu.so
#6  0x00007fff95fa38f0 in at::native::(anonymous namespace)::addmm_out_cuda_impl(at::Tensor&, at::Tensor const&, at::Tensor const&, at::Tensor const&, c10::Scalar, c10::Scalar) () from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cuda_cu.so
#7  0x00007fff95fa5092 in at::native::mm_cuda(at::Tensor const&, at::Tensor const&) ()
   from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cuda_cu.so
#8  0x00007fff94dde848 in at::(anonymous namespace)::(anonymous namespace)::wrapper_mm(at::Tensor const&, at::Tensor const&) ()
   from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cuda_cu.so
#9  0x00007fff94dde88f in c10::impl::wrap_kernel_functor_unboxed_<c10::impl::detail::WrapFunctionIntoFunctor_<c10::CompileTimeFunctionPointer<at::Tensor (at::Tensor const&, at::Tensor const&), &at::(anonymous namespace)::(anonymous namespace)::wrapper_mm>, at::Tensor, c10::guts::typelist::typelist<at::Tensor const&, at::Tensor const&> >, at::Tensor (at::Tensor const&, at::Tensor const&)>::call(c10::OperatorKernel*, at::Tensor const&, at::Tensor const&) ()
   from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cuda_cu.so
#10 0x00007fff8325a596 in at::Tensor c10::Dispatcher::call<at::Tensor, at::Tensor const&, at::Tensor const&>(c10::TypedOperatorHandle<at::Tensor (at::Tens--Type <RET> for more, q to quit, c to continue without paging--c
or const&, at::Tensor const&)> const&, at::Tensor const&, at::Tensor const&) const [clone .constprop.4808] () from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cpu.so
#11 0x00007fff8325fbbf in at::mm(at::Tensor const&, at::Tensor const&) () from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cpu.so
#12 0x00007fff84b4391c in torch::autograd::VariableType::(anonymous namespace)::mm(at::Tensor const&, at::Tensor const&) () from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cpu.so
#13 0x00007fff84b43e8f in c10::impl::wrap_kernel_functor_unboxed_<c10::impl::detail::WrapFunctionIntoFunctor_<c10::CompileTimeFunctionPointer<at::Tensor (at::Tensor const&, at::Tensor const&), &torch::autograd::VariableType::(anonymous namespace)::mm>, at::Tensor, c10::guts::typelist::typelist<at::Tensor const&, at::Tensor const&> >, at::Tensor (at::Tensor const&, at::Tensor const&)>::call(c10::OperatorKernel*, at::Tensor const&, at::Tensor const&) () from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cpu.so
#14 0x00007fff836ac7d6 in at::Tensor c10::Dispatcher::call<at::Tensor, at::Tensor const&, at::Tensor const&>(c10::TypedOperatorHandle<at::Tensor (at::Tensor const&, at::Tensor const&)> const&, at::Tensor const&, at::Tensor const&) const [clone .constprop.1487] () from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cpu.so
#15 0x00007fff836b09ff in at::Tensor::mm(at::Tensor const&) const () from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cpu.so
#16 0x00007fff85583a23 in torch::autograd::generated::details::mm_mat2_backward(at::Tensor const&, at::Tensor const&, c10::ArrayRef<long>, c10::ArrayRef<long>, c10::Scalar const&) () from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cpu.so
#17 0x00007fff84958023 in torch::autograd::generated::AddmmBackward::apply(std::vector<at::Tensor, std::allocator<at::Tensor> >&&) () from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cpu.so
#18 0x00007fff85015771 in torch::autograd::Node::operator()(std::vector<at::Tensor, std::allocator<at::Tensor> >&&) () from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cpu.so
#19 0x00007fff8501157b in torch::autograd::Engine::evaluate_function(std::shared_ptr<torch::autograd::GraphTask>&, torch::autograd::Node*, torch::autograd::InputBuffer&, std::shared_ptr<torch::autograd::ReadyQueue> const&) () from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cpu.so
#20 0x00007fff8501219f in torch::autograd::Engine::thread_main(std::shared_ptr<torch::autograd::GraphTask> const&) () from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cpu.so
#21 0x00007fff85009979 in torch::autograd::Engine::thread_init(int, std::shared_ptr<torch::autograd::ReadyQueue> const&, bool) () from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_cpu.so
#22 0x00007ffff578d293 in torch::autograd::python::PythonEngine::thread_init(int, std::shared_ptr<torch::autograd::ReadyQueue> const&, bool) () from /home/datapsycho/miniconda3/envs/mytorch/lib/python3.8/site-packages/torch/lib/libtorch_python.so
#23 0x00007ffff67a4d84 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#24 0x00007ffff7f93609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#25 0x00007ffff7eba293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
(gdb) q