leezu commented on issue #17043: Segmentation fault: 11 URL: https://github.com/apache/incubator-mxnet/issues/17043#issuecomment-582153558 @larroy the issue you report is due to an incompatibility between the jemalloc version used and llvm openmp. Reproducer: ``` git clone --recursive https://github.com/apache/incubator-mxnet/ mxnet cd mxnet git checkout a726c406964b9cd17efa826738a662e09d973972 # workaround https://github.com/apache/incubator-mxnet/issues/17514 mkdir build; cd build; cmake -DUSE_CPP_PACKAGE=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo -GNinja -DUSE_CUDA=OFF -DUSE_JEMALLOC=ON .. ninja ./cpp-package/example/test_regress_label # run a 2-3 times to reproduce ``` If you change the USE_JEMALLOC=OFF, it will work.
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