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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2019/03/19 07:41:24 UTC
[GitHub] [incubator-mxnet] IvyGongoogle commented on issue #5912: core dump
when predict using multithreading
IvyGongoogle commented on issue #5912: core dump when predict using multithreading
URL: https://github.com/apache/incubator-mxnet/issues/5912#issuecomment-474231036
meet the same error. Single thread is ok, but core dump when predict using multithreading:
```
#0 0x00000000013a7540 in ()
#1 0x00007f2a5d2e0738 in std::pair<std::function<void (mxnet::OpStatePtr const&, mxnet::OpContext const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&, std::vector<mxnet::OpReqType, std::allocator<mxnet::OpReqType> > const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&)>, int>* std::__uninitialized_copy<false>::__uninit_copy<std::pair<std::function<void (mxnet::OpStatePtr const&, mxnet::OpContext const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&, std::vector<mxnet::OpReqType, std::allocator<mxnet::OpReqType> > const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&)>, int>*, std::pair<std::function<void (mxnet::OpStatePtr const&, mxnet::OpContext const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&, std::vector<mxnet::OpReqType, std::allocator<mxnet::OpReqType> > const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&)>, int>*>(std::pair<std::function<void (mxnet::OpStatePtr const&, mxnet::OpContext const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&, std::vector<mxnet::OpReqType, std::allocator<mxnet::OpReqType> > const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&)>, int>*, std::pair<std::function<void (mxnet::OpStatePtr const&, mxnet::OpContext const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&, std::vector<mxnet::OpReqType, std::allocator<mxnet::OpReqType> > const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&)>, int>*, std::pair<std::function<void (mxnet::OpStatePtr const&, mxnet::OpContext const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&, std::vector<mxnet::OpReqType, std::allocator<mxnet::OpReqType> > const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&)>, int>*) () at /search/odin/gongzhenting/work/ml-tools/Mxnet/incubator-mxnet_fp16/lib/libmxnet.so
#2 0x00007f2a5d2e0f78 in std::vector<std::pair<std::function<void (mxnet::OpStatePtr const&, mxnet::OpContext const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&, std::vector<mxnet::OpReqType, std::allocator<mxnet::OpReqType> > const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&)>, int>, std::allocator<std::pair<std::function<void (mxnet::OpStatePtr const&, mxnet::OpContext const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&, std::vector<mxnet::OpReqType, std::allocator<mxnet::OpReqType> > const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&)>, int> > >::_M_fill_insert(__gnu_cxx::__normal_iterator<std::pair<std::function<void (mxnet::OpStatePtr const&, mxnet::OpContext const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&, std::vector<mxnet::OpReqType, std::allocator<mxnet::OpReqType> > const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&)>, int>*, std::vector<std::pair<std::function<void (mxnet::OpStatePtr const&, mxnet::OpContext const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&, std::vector<mxnet::OpReqType, std::allocator<mxnet::OpReqType> > const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&)>, int>, std::allocator<std::pair<std::function<void (mxnet::OpStatePtr const&, mxnet::OpContext const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&, std::vector<mxnet::OpReqType, std::allocator<mxnet::OpReqType> > const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&)>, int> > > >, unsigned long, std::pair<std::function<void (mxnet::OpStatePtr const&, mxnet::OpContext const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&, std::vector<mxnet::OpReqType, std::allocator<mxnet::OpReqType> > const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&)>, int> const&) () at /search/odin/gongzhenting/work/ml-tools/Mxnet/incubator-mxnet_fp16/lib/libmxnet.so
#3 0x00007f2a5d2e2e8b in nnvm::Op& nnvm::Op::set_attr<std::function<void (mxnet::OpStatePtr const&, mxnet::OpContext const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&, std::vector<mxnet::OpReqType, std::allocator<mxnet::OpReqType> > const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&)> >(std::string const&, std::function<void (mxnet::OpStatePtr const&, mxnet::OpContext const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&, std::vector<mxnet::OpReqType, std::allocator<mxnet::OpReqType> > const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&)> const&, int)::{lambda(dmlc::any*)#1}::operator()(dmlc::any*) const () at /search/odin/gongzhenting/work/ml-tools/Mxnet/incubator-mxnet_fp16/lib/libmxnet.so
#4 0x00007f2a5d2d9d5f in nnvm::Op& nnvm::Op::set_attr<std::function<void (mxnet::OpStatePtr const&, mxnet::OpContext const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&, std::vector<mxnet::OpReqType, std::allocator<mxnet::OpReqType> > const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&)> >(std::string const&, std::function<void (mxnet::OpStatePtr const&, mxnet::OpContext const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&, std::vector<mxnet::OpReqType, std::allocator<mxnet::OpReqType> > const&, std::vector<mxnet::TBlob, std::allocator<mxnet::TBlob> > const&)> const&, int) () at /search/odin/gongzhenting/work/ml-tools/Mxnet/incubator-mxnet_fp16/lib/libmxnet.so
#5 0x00007f2a5d2d200d in mxnet::op::RegisterLegacyOpProp() () at /xxx/incubator-mxnet/lib/libmxnet.so
#6 0x00007f2a5d7bdf21 in MXListAllOpNames () at /xxx/incubator-mxnet/lib/libmxnet.so
#7 0x00007f2a5d7e66c8 in MXPredCreatePartialOut () at /xxx/incubator-mxnet/lib/libmxnet.so
#8 0x00007f2a5d7e9871 in MXPredCreate () at /xxx/incubator-mxnet/lib/libmxnet.so
```
how to fix it?
anyone can give some advises?
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