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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2020/09/11 01:01:28 UTC
[GitHub] [incubator-mxnet] samskalicky commented on pull request #19112: [1.x] Backport Fix for duplicate subgraph inputs/outputs (#16131)
samskalicky commented on pull request #19112:
URL: https://github.com/apache/incubator-mxnet/pull/19112#issuecomment-690810445
@ZhennanQin @pengzhao-intel Im debugging a test failure with this PR:
```
[2020-09-10T19:49:11.883Z] ======================================================================
[2020-09-10T19:49:11.883Z] ERROR: test_subgraph.test_mobilenetv2_struct
[2020-09-10T19:49:11.883Z] ----------------------------------------------------------------------
[2020-09-10T19:49:11.883Z] Traceback (most recent call last):
[2020-09-10T19:49:11.883Z] File "/usr/local/lib/python3.5/dist-packages/nose/case.py", line 198, in runTest
[2020-09-10T19:49:11.883Z] self.test(*self.arg)
[2020-09-10T19:49:11.883Z] File "/work/mxnet/tests/python/mkl/../unittest/common.py", line 215, in test_new
[2020-09-10T19:49:11.883Z] orig_test(*args, **kwargs)
[2020-09-10T19:49:11.883Z] File "/work/mxnet/tests/python/mkl/test_subgraph.py", line 815, in test_mobilenetv2_struct
[2020-09-10T19:49:11.883Z] check_fusion(net, data_shape, attrs, out_types=['int8', 'auto'])
[2020-09-10T19:49:11.883Z] File "/work/mxnet/tests/python/mkl/../unittest/common.py", line 215, in test_new
[2020-09-10T19:49:11.883Z] orig_test(*args, **kwargs)
[2020-09-10T19:49:11.883Z] File "/work/mxnet/tests/python/mkl/test_subgraph.py", line 271, in check_fusion
[2020-09-10T19:49:11.883Z] exe = sym.bind(ctx=mx.current_context(), args=arg_array, aux_states=aux_array, grad_req='null')
[2020-09-10T19:49:11.883Z] File "/work/mxnet/python/mxnet/symbol/symbol.py", line 2119, in bind
[2020-09-10T19:49:11.883Z] ctypes.byref(handle)))
[2020-09-10T19:49:11.883Z] File "/work/mxnet/python/mxnet/base.py", line 246, in check_call
[2020-09-10T19:49:11.883Z] raise get_last_ffi_error()
[2020-09-10T19:49:11.883Z] mxnet.base.MXNetError: Traceback (most recent call last):
[2020-09-10T19:49:11.883Z] [bt] (9) /usr/bin/python3(PyEval_EvalFrameEx+0x4eff) [0x53fe5f]
[2020-09-10T19:49:11.883Z] [bt] (8) /usr/bin/python3(PyObject_Call+0x47) [0x5c59d7]
[2020-09-10T19:49:11.883Z] [bt] (7) /usr/lib/python3.5/lib-dynload/_ctypes.cpython-35m-x86_64-linux-gnu.so(+0x9fcb) [0x7f7bac29efcb]
[2020-09-10T19:49:11.883Z] [bt] (6) /usr/lib/python3.5/lib-dynload/_ctypes.cpython-35m-x86_64-linux-gnu.so(_ctypes_callproc+0x49a) [0x7f7bac2ab01a]
[2020-09-10T19:49:11.883Z] [bt] (5) /usr/lib/python3.5/lib-dynload/_ctypes.cpython-35m-x86_64-linux-gnu.so(ffi_call+0x2eb) [0x7f7bac2b088b]
[2020-09-10T19:49:11.883Z] [bt] (4) /usr/lib/python3.5/lib-dynload/_ctypes.cpython-35m-x86_64-linux-gnu.so(ffi_call_unix64+0x4c) [0x7f7bac2b0e20]
[2020-09-10T19:49:11.883Z] [bt] (3) /work/mxnet/python/mxnet/../../lib/libmxnet.so(MXExecutorBindEX+0xdcb) [0x7f7b0675858b]
[2020-09-10T19:49:11.883Z] [bt] (2) /work/mxnet/python/mxnet/../../lib/libmxnet.so(mxnet::Executor::Bind(nnvm::Symbol, mxnet::Context const&, std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, mxnet::Context, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, mxnet::Context> > > const&, std::vector<mxnet::NDArray, std::allocator<mxnet::NDArray> > const&, std::vector<mxnet::NDArray, std::allocator<mxnet::NDArray> > const&, std::vector<mxnet::OpReqType, std::allocator<mxnet::OpReqType> > const&, std::vector<mxnet::NDArray, std::allocator<mxnet::NDArray> > const&, mxnet::Executor*)+0x39b) [0x7f7b05d9d67b]
[2020-09-10T19:49:11.883Z] [bt] (1) /work/mxnet/python/mxnet/../../lib/libmxnet.so(+0x58f27f1) [0x7f7b05d9b7f1]
[2020-09-10T19:49:11.883Z] [bt] (0) /work/mxnet/python/mxnet/../../lib/libmxnet.so(dmlc::LogMessageFatal::~LogMessageFatal()+0x61) [0x7f7b01151441]
[2020-09-10T19:49:11.883Z] File "src/executor/graph_executor.cc", line 1892
[2020-09-10T19:49:11.883Z] MXNetError: Check failed: arg_names.size() == in_args_map.size() (8 vs. 7) :
```
https://jenkins.mxnet-ci.amazon-ml.com/blue/rest/organizations/jenkins/pipelines/mxnet-validation/pipelines/unix-cpu/branches/PR-19112/runs/1/nodes/296/steps/781/log/?start=0
And I think I narrowed it down to this part of the mkldnn conv subgraph:
https://github.com/apache/incubator-mxnet/blame/v1.x/src/operator/subgraph/mkldnn/mkldnn_conv_property.h#L273-L277
Commenting out the rotation seems to resolve the issue.
But now im getting a segfault:
```
Thread 1 "python" received signal SIGSEGV, Segmentation fault.
0x00007fffe60e4bc9 in nnvm::pass::(anonymous namespace)::MXAllocMemory(nnvm::Graph const&, nnvm::IndexedGraph const&, std::pair<unsigned int, unsigned int> const&, std::vector<int, std::allocator<int> >*, std::vector<int, std::allocator<int> >*, std::vector<unsigned int, std::allocator<unsigned int> > const&, nnvm::pass::(anonymous namespace)::MXGraphAllocator*) () from /home/ubuntu/subgraph_fixv18/python/mxnet/../../lib/libmxnet.so
(gdb) bt
#0 0x00007fffe60e4bc9 in nnvm::pass::(anonymous namespace)::MXAllocMemory(nnvm::Graph const&, nnvm::IndexedGraph const&, std::pair<unsigned int, unsigned int> const&, std::vector<int, std::allocator<int> >*, std::vector<int, std::allocator<int> >*, std::vector<unsigned int, std::allocator<unsigned int> > const&, nnvm::pass::(anonymous namespace)::MXGraphAllocator*) ()
from /home/ubuntu/subgraph_fixv18/python/mxnet/../../lib/libmxnet.so
#1 0x00007fffe60e6884 in nnvm::pass::(anonymous namespace)::MXPlanMemory(nnvm::Graph) ()
from /home/ubuntu/subgraph_fixv18/python/mxnet/../../lib/libmxnet.so
#2 0x00007fffe60ac9bc in std::_Function_handler<nnvm::Graph (nnvm::Graph), nnvm::Graph (*)(nnvm::Graph)>::_M_invoke(std::_Any_data const&, nnvm::Graph&&) () from /home/ubuntu/subgraph_fixv18/python/mxnet/../../lib/libmxnet.so
#3 0x00007fffe7f8a4ce in nnvm::ApplyPasses(nnvm::Graph, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&) ()
from /home/ubuntu/subgraph_fixv18/python/mxnet/../../lib/libmxnet.so
#4 0x00007fffe61318ad in nnvm::ApplyPass(nnvm::Graph, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) ()
from /home/ubuntu/subgraph_fixv18/python/mxnet/../../lib/libmxnet.so
#5 0x00007fffe69e97c9 in mxnet::exec::GraphExecutor::FinishInitGraph(nnvm::Symbol, nnvm::Graph, mxnet::Executor*, std::unordered_map<nnvm::NodeEntry, mxnet::NDArray, nnvm::NodeEntryHash, nnvm::NodeEntryEqual, std::allocator<std::pair<nnvm::NodeEntry const, mxnet::NDArray> > > const&) ()
from /home/ubuntu/subgraph_fixv18/python/mxnet/../../lib/libmxnet.so
#6 0x00007fffe69eb1c6 in mxnet::exec::GraphExecutor::Init(nnvm::Symbol, mxnet::Context const&, std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, mxnet::Context, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, mxnet::Context> > > const&, std::vector<mxnet::NDArray, std::allocator<mxnet::NDArray> > const&, std::vector<mxnet::NDArray, std::allocator<mxnet::NDArray> > const&, std::vector<mxnet::OpReqType, std::allocator<mxnet::OpReqType> > const&, std::vector<mxnet::NDArray, std::allocator<mxnet::NDArray> > const&, mxnet::Executor*, std::unordered_map<nnvm::NodeEntry, mxnet::NDArray, nnvm::NodeEntryHash, nnvm::NodeEntryEqual, std::allocator<std::pair<nnvm::NodeEntry const, mxnet::NDArray> > > const&) () from /home/ubuntu/subgraph_fixv18/python/mxnet/../../lib/libmxnet.so
#7 0x00007fffe69f7f86 in mxnet::Executor::Bind(nnvm::Symbol, mxnet::Context const&, std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, mxnet::Context, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, mxnet::Context> > > const&, std::vector<mxnet::NDArray, std::allocator<mxnet::NDArray> > const&, std::vector<mxnet::NDArray, std::allocator<mxnet::NDArray> > const&, std::vector<mxnet::OpReqType, std::allocator<mxnet::OpReqType> > const&, std::vector<mxnet::NDArray, std::allocator<mxnet::NDArray> > const&, mxnet::Executor*) ()
from /home/ubuntu/subgraph_fixv18/python/mxnet/../../lib/libmxnet.so
```
which reminds me vaguely of @DickJC123's issue: https://github.com/apache/incubator-mxnet/issues/16685
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