Could not run 'aten::linalg_vector_norm' with arguments from the 'XLA' backend. This could be because the operator doesn't exist for this backend, or was omitted during the selective/custom build process (if using custom build). If you are a Facebook employee using PyTorch on mobile, please visit https://fburl.com/ptmfixes for possible resolutions. 'aten::linalg_vector_norm' is only available for these backends: [CPU, BackendSelect, Python, Named, Conjugate, Negative, ZeroTensor, ADInplaceOrView, AutogradOther, AutogradCPU, AutogradCUDA, AutogradXLA, AutogradLazy, AutogradXPU, AutogradMLC, AutogradHPU, AutogradNestedTensor, AutogradPrivateUse1, AutogradPrivateUse2, AutogradPrivateUse3, Tracer, AutocastCPU, Autocast, Batched, VmapMode, Functionalize].

CPU: registered at /usr1/pytorch/build/aten/src/ATen/RegisterCPU.cpp:21063 [kernel]
BackendSelect: fallthrough registered at /usr1/pytorch/aten/src/ATen/core/BackendSelectFallbackKernel.cpp:3 [backend fallback]
Python: registered at /usr1/pytorch/aten/src/ATen/core/PythonFallbackKernel.cpp:47 [backend fallback]
Named: registered at /usr1/pytorch/aten/src/ATen/core/NamedRegistrations.cpp:7 [backend fallback]
Conjugate: registered at /usr1/pytorch/aten/src/ATen/ConjugateFallback.cpp:18 [backend fallback]
Negative: registered at /usr1/pytorch/aten/src/ATen/native/NegateFallback.cpp:18 [backend fallback]
ZeroTensor: registered at /usr1/pytorch/aten/src/ATen/ZeroTensorFallback.cpp:86 [backend fallback]
ADInplaceOrView: fallthrough registered at /usr1/pytorch/aten/src/ATen/core/VariableFallbackKernel.cpp:64 [backend fallback]
AutogradOther: registered at /usr1/pytorch/torch/csrc/autograd/generated/VariableType_3.cpp:11380 [autograd kernel]
AutogradCPU: registered at /usr1/pytorch/torch/csrc/autograd/generated/VariableType_3.cpp:11380 [autograd kernel]
AutogradCUDA: registered at /usr1/pytorch/torch/csrc/autograd/generated/VariableType_3.cpp:11380 [autograd kernel]
AutogradXLA: registered at /usr1/pytorch/torch/csrc/autograd/generated/VariableType_3.cpp:11380 [autograd kernel]
AutogradLazy: registered at /usr1/pytorch/torch/csrc/autograd/generated/VariableType_3.cpp:11380 [autograd kernel]
AutogradXPU: registered at /usr1/pytorch/torch/csrc/autograd/generated/VariableType_3.cpp:11380 [autograd kernel]
AutogradMLC: registered at /usr1/pytorch/torch/csrc/autograd/generated/VariableType_3.cpp:11380 [autograd kernel]
AutogradHPU: registered at /usr1/pytorch/torch/csrc/autograd/generated/VariableType_3.cpp:11380 [autograd kernel]
AutogradNestedTensor: registered at /usr1/pytorch/torch/csrc/autograd/generated/VariableType_3.cpp:11380 [autograd kernel]
AutogradPrivateUse1: registered at /usr1/pytorch/torch/csrc/autograd/generated/VariableType_3.cpp:11380 [autograd kernel]
AutogradPrivateUse2: registered at /usr1/pytorch/torch/csrc/autograd/generated/VariableType_3.cpp:11380 [autograd kernel]
AutogradPrivateUse3: registered at /usr1/pytorch/torch/csrc/autograd/generated/VariableType_3.cpp:11380 [autograd kernel]
Tracer: registered at /usr1/pytorch/torch/csrc/autograd/generated/TraceType_3.cpp:11220 [kernel]
AutocastCPU: fallthrough registered at /usr1/pytorch/aten/src/ATen/autocast_mode.cpp:461 [backend fallback]
Autocast: fallthrough registered at /usr1/pytorch/aten/src/ATen/autocast_mode.cpp:305 [backend fallback]
Batched: registered at /usr1/pytorch/aten/src/ATen/BatchingRegistrations.cpp:1059 [backend fallback]
VmapMode: fallthrough registered at /usr1/pytorch/aten/src/ATen/VmapModeRegistrations.cpp:33 [backend fallback]
Functionalize: registered at /usr1/pytorch/aten/src/ATen/FunctionalizeFallbackKernel.cpp:52 [backend fallback]