NEWPLAN edited a comment on issue #11684: fix compile error in debug model URL: https://github.com/apache/incubator-mxnet/pull/11684#issuecomment-404730258 Hi, My environment: OS: CentOS Linux release 7.3.1611 (Core) GCC: gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-28) CPU: Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz DRAM: 64GB 2133MHZ G++: g++ (GCC) 4.8.5 20150623 (Red Hat 4.8.5-28) NVCC: Built on Fri_Sep__1_21:08:03_CDT_2017 + Cuda compilation tools, release 9.0, V9.0.176 NCCL: 2.1 CUDA: 9 cuDNN: 7.0 command for compiling: make -j $(nproc) USE_OPENCV=1 USE_BLAS=openblas USE_CUDA=1 USE_CUDA_PATH=/usr/local/cuda USE_CUDNN=1 USE_DIST_KVSTORE=1 USE_NCCL=1 USE_CPP_PACKAGE=1 DEBUG=1 there are two errors: 1: src/kvstore/./kvstore_nccl.h:345:28: error: ‘struct mxnet::kvstore::KVStoreNCCL::BufferEntry’ has no member named ‘ctx’ assert(root == buf.ctx().dev_id); When i fixed this error as uncommend and complie again, got the second error: a - build/src/kvstore/kvstore_utils_gpu.o /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/crti.o: In function `_init': (.init+0x7): relocation truncated to fit: R_X86_64_GOTPCREL against undefined symbol `__gmon_start__' /home/yang/software/incubator-mxnet/3rdparty/ps-lite/build/libps.a(customer.o): In function `ps::Customer::NumResponse(int)': /usr/include/c++/4.8.2/x86_64-redhat-linux/bits/gthr-default.h:747:(.text+0x5): relocation truncated to fit: R_X86_64_GOTPCREL against symbol `__pthread_key_create@@GLIBC_2.2.5' defined in .text section in /lib64/libpthread.so.0 /home/yang/software/incubator-mxnet/3rdparty/ps-lite/build/libps.a(customer.o): In function `ps::Customer::AddResponse(int, int)': /usr/include/c++/4.8.2/x86_64-redhat-linux/bits/gthr-default.h:747:(.text+0x7d): relocation truncated to fit: R_X86_64_GOTPCREL against symbol `__pthread_key_create@@GLIBC_2.2.5' defined in .text section in /lib64/libpthread.so.0 /home/yang/software/incubator-mxnet/3rdparty/ps-lite/build/libps.a(customer.o): In function `ps::Customer::WaitRequest(int)': /usr/include/c++/4.8.2/x86_64-redhat-linux/bits/gthr-default.h:747:(.text+0xfe): relocation truncated to fit: R_X86_64_GOTPCREL against symbol `__pthread_key_create@@GLIBC_2.2.5' defined in .text section in /lib64/libpthread.so.0 /home/yang/software/incubator-mxnet/3rdparty/ps-lite/build/libps.a(customer.o): In function `ps::Customer::Receiving()': /home/yang/software/incubator-mxnet/3rdparty/ps-lite/src/customer.cc:49:(.text+0x1d2): relocation truncated to fit: R_X86_64_GOTPCREL against symbol `std::string::_Rep::_S_empty_rep_storage@@GLIBCXX_3.4' defined in .bss section in /usr/lib/gcc/x86_64-redhat-linux/4.8.5/libstdc++.so /home/yang/software/incubator-mxnet/3rdparty/ps-lite/build/libps.a(customer.o): In function `ps::Customer::Receiving()': /usr/include/c++/4.8.2/x86_64-redhat-linux/bits/gthr-default.h:747:(.text+0x2dd): relocation truncated to fit: R_X86_64_GOTPCREL against symbol `__pthread_key_create@@GLIBC_2.2.5' defined in .text section in /lib64/libpthread.so.0 /home/yang/software/incubator-mxnet/3rdparty/ps-lite/build/libps.a(customer.o): In function `ps::Customer::Receiving()': /usr/include/c++/4.8.2/bits/stl_construct.h:102:(.text+0x46f): relocation truncated to fit: R_X86_64_GOTPCREL against symbol `__pthread_key_create@@GLIBC_2.2.5' defined in .text section in /lib64/libpthread.so.0 /usr/include/c++/4.8.2/bits/stl_construct.h:102:(.text+0x555): relocation truncated to fit: R_X86_64_GOTPCREL against symbol `__pthread_key_create@@GLIBC_2.2.5' defined in .text section in /lib64/libpthread.so.0 /usr/include/c++/4.8.2/bits/stl_construct.h:102:(.text+0x61a): relocation truncated to fit: R_X86_64_GOTPCREL against symbol `__pthread_key_create@@GLIBC_2.2.5' defined in .text section in /lib64/libpthread.so.0 /usr/include/c++/4.8.2/bits/stl_construct.h:102:(.text+0x6ce): relocation truncated to fit: R_X86_64_GOTPCREL against symbol `__pthread_key_create@@GLIBC_2.2.5' defined in .text section in /lib64/libpthread.so.0 /home/yang/software/incubator-mxnet/3rdparty/ps-lite/build/libps.a(customer.o): In function `ps::Customer::Receiving()': /usr/include/c++/4.8.2/x86_64-redhat-linux/bits/gthr-default.h:747:(.text+0x773): additional relocation overflows omitted from the output collect2: error: ld returned 1 exit status make: *** [lib/libmxnet.so] Error 1 make: *** Waiting for unfinished jobs.... /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/crt1.o:(.eh_frame+0x20): relocation truncated to fit: R_X86_64_PC32 against `.text' /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/crti.o: In function `_init': (.init+0x7): relocation truncated to fit: R_X86_64_GOTPCREL against undefined symbol `__gmon_start__' /home/yang/software/incubator-mxnet/3rdparty/ps-lite/build/libps.a(customer.o): In function `ps::Customer::NumResponse(int)': /usr/include/c++/4.8.2/x86_64-redhat-linux/bits/gthr-default.h:747:(.text+0x5): relocation truncated to fit: R_X86_64_GOTPCREL against symbol `__pthread_key_create@@GLIBC_2.2.5' defined in .plt section in /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/crt1.o /home/yang/software/incubator-mxnet/3rdparty/ps-lite/build/libps.a(customer.o): In function `ps::Customer::AddResponse(int, int)': /usr/include/c++/4.8.2/x86_64-redhat-linux/bits/gthr-default.h:747:(.text+0x7d): relocation truncated to fit: R_X86_64_GOTPCREL against symbol `__pthread_key_create@@GLIBC_2.2.5' defined in .plt section in /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/crt1.o /home/yang/software/incubator-mxnet/3rdparty/ps-lite/build/libps.a(customer.o): In function `ps::Customer::WaitRequest(int)': /usr/include/c++/4.8.2/x86_64-redhat-linux/bits/gthr-default.h:747:(.text+0xfe): relocation truncated to fit: R_X86_64_GOTPCREL against symbol `__pthread_key_create@@GLIBC_2.2.5' defined in .plt section in /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/crt1.o /home/yang/software/incubator-mxnet/3rdparty/ps-lite/build/libps.a(customer.o): In function `ps::Customer::Receiving()': /home/yang/software/incubator-mxnet/3rdparty/ps-lite/src/customer.cc:49:(.text+0x1d2): relocation truncated to fit: R_X86_64_GOTPCREL against symbol `std::string::_Rep::_S_empty_rep_storage@@GLIBCXX_3.4' defined in .bss section in /usr/lib/gcc/x86_64-redhat-linux/4.8.5/libstdc++.so /home/yang/software/incubator-mxnet/3rdparty/ps-lite/build/libps.a(customer.o): In function `ps::Customer::Receiving()': /usr/include/c++/4.8.2/x86_64-redhat-linux/bits/gthr-default.h:747:(.text+0x2dd): relocation truncated to fit: R_X86_64_GOTPCREL against symbol `__pthread_key_create@@GLIBC_2.2.5' defined in .plt section in /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/crt1.o /home/yang/software/incubator-mxnet/3rdparty/ps-lite/build/libps.a(customer.o): In function `ps::Customer::Receiving()': /usr/include/c++/4.8.2/bits/stl_construct.h:102:(.text+0x46f): relocation truncated to fit: R_X86_64_GOTPCREL against symbol `__pthread_key_create@@GLIBC_2.2.5' defined in .plt section in /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/crt1.o /usr/include/c++/4.8.2/bits/stl_construct.h:102:(.text+0x555): relocation truncated to fit: R_X86_64_GOTPCREL against symbol `__pthread_key_create@@GLIBC_2.2.5' defined in .plt section in /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/crt1.o /usr/include/c++/4.8.2/bits/stl_construct.h:102:(.text+0x61a): relocation truncated to fit: R_X86_64_GOTPCREL against symbol `__pthread_key_create@@GLIBC_2.2.5' defined in .plt section in /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/crt1.o /usr/include/c++/4.8.2/bits/stl_construct.h:102:(.text+0x6ce): additional relocation overflows omitted from the output collect2: error: ld returned 1 exit status make: *** [bin/im2rec] Error 1 I find that it is because the default code size can not be large than 2GB, and add compiler flag -mcmodel=large can work
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