leezu edited a comment on issue #18314: URL: https://github.com/apache/incubator-mxnet/issues/18314#issuecomment-628407634
Use https://github.com/apache/incubator-mxnet/pull/18315 to get the coredump associated with the segfault ``` #0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51 #1 0x00007f144d380801 in __GI_abort () at abort.c:79 #2 0x00007f13973c94c2 in mxnet::SegfaultLogger (sig=11) at ../src/initialize.cc:66 #3 <signal handler called> #4 __GI___pthread_mutex_lock (mutex=0x7ffc00000020) at ../nptl/pthread_mutex_lock.c:65 #5 0x00007f1397096b3d in __gthread_mutex_lock (__mutex=0x7ffc00000020) at /usr/include/x86_64-linux-gnu/c++/7/bits/gthr-default.h:748 #6 0x00007f13970be6f2 in std::mutex::lock (this=0x7ffc00000020) at /usr/include/c++/7/bits/std_mutex.h:103 #7 0x00007f13970d7812 in std::lock_guard<std::mutex>::lock_guard (this=0x7ffc08a27cb0, __m=...) at /usr/include/c++/7/bits/std_mutex.h:162 #8 0x00007f13972c4759 in mxnet::engine::ThreadedVar::ready_to_read (this=0x7ffc00000000) at ../src/engine/threaded_engine.cc:198 #9 0x00007f13972c18fd in mxnet::engine::ThreadedEngine::WaitForVar (this=0x560344701760, var=0x7ffc00000000) at ../src/engine/threaded_engine.cc:382 #10 0x00007f13975c73f1 in mxnet::NDArray::WaitToRead (this=0x560343f7e750) at ../src/ndarray/ndarray.cc:2178 #11 0x00007f13975c66dd in mxnet::NDArray::SyncCopyToCPU (this=0x560343f7e750, data=0x7f1218001b00, size=10) at ../src/ndarray/ndarray.cc:2112 #12 0x00007f13970ac51b in MXNDArraySyncCopyToCPU (handle=0x560343f7e750, data=0x7f1218001b00, size=10) at ../src/c_api/c_api.cc:1575 #13 0x00007f144cc85dae in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6 #14 0x00007f144cc8571f in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6 #15 0x00007f144cec7415 in _call_function_pointer (flags=4353, pProc=0x7f13970ac4e3 <MXNDArraySyncCopyToCPU(NDArrayHandle, void*, size_t)>, avalues=0x7ffc08a283c0, atypes=0x7ffc08a28390, restype=0x7f144d14bdb8, resmem=0x7ffc08a283f0, argcount=3) at /tmp/python-build.20200514035455.63369/Python-3.8.2/Modules/_ctypes/callproc.c:871 #16 0x00007f144cec7e19 in _ctypes_callproc (pProc=0x7f13970ac4e3 <MXNDArraySyncCopyToCPU(NDArrayHandle, void*, size_t)>, argtuple=0x7f12f4166ef0, flags=4353, argtypes=0x0, restype=0x560342e1b8e0, checker=0x0) at /tmp/python-build.20200514035455.63369/Python-3.8.2/Modules/_ctypes/callproc.c:1199 #17 0x00007f144cec2169 in PyCFuncPtr_call (self=0x7f12f4145050, inargs=0x7f12f4166ef0, kwds=0x0) at /tmp/python-build.20200514035455.63369/Python-3.8.2/Modules/_ctypes/_ctypes.c:4201 #18 0x0000560342627076 in ?? () #19 0x0000000000000000 in ?? () ``` ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
