CANN版本：Ascend-cann-toolkit_6.3.RC1_linux-aarch64.run
torch版本：torch-1.8.1-cp37-cp37m-linux_aarch64.whl
torch_npu版本：torch_npu-1.8.1.post1-cp37-cp37m-linux_aarch64.whl
安装完后print(torch_npu.npu.is_available())，显示True

但是在运行
a=torch.ones(3,4).npu()
print(a+a)
出现以下问题，如何解决？
Traceback (most recent call last):
  File "run.py", line 7, in <module>
    a=torch.ones(3,4).npu()
  File "/usr/local/python3.7.5/lib/python3.7/site-packages/torch_npu/utils/device_guard.py", line 38, in wrapper
    return func(*args, **kwargs)
  File "/usr/local/python3.7.5/lib/python3.7/site-packages/torch_npu/utils/tensor_methods.py", line 66, in _npu
    return torch_npu._C.npu(self, *args, **kwargs)
RuntimeError: Initialize:/usr1/workspace/FPTA_Daily_Plugin_open_v1.8.1-5.0.rc1/CODE/torch_npu/csrc/core/npu/sys_ctrl/npu_sys_ctrl.cpp:113 NPU error, error code is 507033
E39999: Inner Error!
E39999  TsdOpen failed. devId=0, tdt error=34[FUNC:startAicpuExecutor][FILE:runtime.cc][LINE:1673]
        TraceBack (most recent call last):
        Start aicpu executor failed, retCode=0x7020009 devId=0[FUNC:DeviceRetain][FILE:runtime.cc][LINE:2138]
        Check param failed, dev can not be NULL![FUNC:PrimaryContextRetain][FILE:runtime.cc][LINE:1991]
        Check param failed, ctx can not be NULL![FUNC:PrimaryContextRetain][FILE:runtime.cc][LINE:2018]
        Check param failed, context can not be null.[FUNC:NewDevice][FILE:api_impl.cc][LINE:1434]
        New device failed, retCode=0x7010006[FUNC:SetDevice][FILE:api_impl.cc][LINE:1455]
        rtSetDevice execute failed, reason=[device retain error][FUNC:FuncErrorReason][FILE:error_message_manage.cc][LINE:49]
        open device 0 failed, runtime result = 507033.[FUNC:ReportCallError][FILE:log_inner.cpp][LINE:161]
        Check param failed, dev can not be NULL![FUNC:DeviceRetain][FILE:runtime.cc][LINE:2178]
        ctx is NULL![FUNC:GetDevErrMsg][FILE:api_impl.cc][LINE:3680]
        rtGetDevMsg execute failed, reason=[context pointer null][FUNC:FuncErrorReason][FILE:error_message_manage.cc][LINE:49]