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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2020/08/03 02:06:52 UTC

[GitHub] [incubator-mxnet] Light-- commented on issue #16665: MapPlanKernel ErrStr:an illegal memory access was encountered

Light-- commented on issue #16665:
URL: https://github.com/apache/incubator-mxnet/issues/16665#issuecomment-667765410


   i also meet this error in mxnet 1.6:
   ```
   Traceback (most recent call last):
     File "train_0723.py", line 455, in <module>
       main()
     File "train_0723.py", line 451, in main
       train_net(args)
     File "train_0723.py", line 445, in train_net
       epoch_end_callback=epoch_cb)
     File "/home/user1/recognition/parall_module_local_v1_gluon_group.py", line 573, in fit
       self.update()
     File "/home/user1/recognition/parall_module_local_v1_gluon_group.py", line 406, in update
       mx.nd.waitall()
     File "/home/user1/miniconda3/lib/python3.7/site-packages/mxnet/ndarray/ndarray.py", line 200, in waitall
       check_call(_LIB.MXNDArrayWaitAll())
     File "/home/user1/miniconda3/lib/python3.7/site-packages/mxnet/base.py", line 255, in check_call
       raise MXNetError(py_str(_LIB.MXGetLastError()))
   mxnet.base.MXNetError: [03:32:38] /home/ubuntu/mxnet-distro/mxnet-build/3rdparty/mshadow/mshadow/./stream_gpu-inl.h:62: Check failed: e == cudaSuccess: CUDA: an illegal memory access was encountered
   Stack trace:
     [bt] (0) /home/user1/miniconda3/lib/python3.7/site-packages/mxnet/libmxnet.so(+0x6b41eb) [0x7f76131a51eb]
     [bt] (1) /home/user1/miniconda3/lib/python3.7/site-packages/mxnet/libmxnet.so(+0x37b2742) [0x7f76162a3742]
     [bt] (2) /home/user1/miniconda3/lib/python3.7/site-packages/mxnet/libmxnet.so(+0x37e3515) [0x7f76162d4515]
     [bt] (3) /home/user1/miniconda3/lib/python3.7/site-packages/mxnet/libmxnet.so(+0x37bf6d1) [0x7f76162b06d1]
     [bt] (4) /home/user1/miniconda3/lib/python3.7/site-packages/mxnet/libmxnet.so(+0x37c2c10) [0x7f76162b3c10]
     [bt] (5) /home/user1/miniconda3/lib/python3.7/site-packages/mxnet/libmxnet.so(+0x37c2ea6) [0x7f76162b3ea6]
     [bt] (6) /home/user1/miniconda3/lib/python3.7/site-packages/mxnet/libmxnet.so(+0x37bde84) [0x7f76162aee84]
     [bt] (7) /home/user1/miniconda3/bin/../lib/libstdc++.so.6(+0xc8421) [0x7f76aca9d421]
     [bt] (8) /lib/x86_64-linux-gnu/libpthread.so.0(+0x9609) [0x7f76bb1f0609]
   ```
   
   dont know why..... 


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