Quantization Core Dumped

I quantize DeepLabV3+ model with KLD method. It shows “Segmentation fault (core dumped)”

I use gdb to debug the core file it generted.

gdb …/…/…/build/libtvm.so core

GNU gdb (Ubuntu 8.1-0ubuntu3.2) 8.1.0.20180409-git Copyright © 2018 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later http://gnu.org/licenses/gpl.html This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type “show copying” and “show warranty” for details. This GDB was configured as “x86_64-linux-gnu”. Type “show configuration” for configuration details. For bug reporting instructions, please see: http://www.gnu.org/software/gdb/bugs/. Find the GDB manual and other documentation resources online at: http://www.gnu.org/software/gdb/documentation/. For help, type “help”. Type “apropos word” to search for commands related to “word”… Reading symbols from …/…/…/build/libtvm.so…(no debugging symbols found)…done.

warning: core file may not match specified executable file. [New LWP 31867] [New LWP 31885] [New LWP 31886] [New LWP 31884] [New LWP 31887] [New LWP 31883] [New LWP 31888] [New LWP 31912] [New LWP 31903] [New LWP 31913] [Thread debugging using libthread_db enabled] Using host libthread_db library “/lib/x86_64-linux-gnu/libthread_db.so.1”. Unsupported JIT protocol version 0 in descriptor (expected 1) Core was generated by `python quantize_deeplabv3_tf.py’. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007faa4c9a48bf in tvm::Map<tvm::GlobalTypeVar, tvm::TypeData, void, void>::iterator::operator*() const () from /root/test6_root/zzhen/2020/tvm0620/build/libtvm.so [Current thread is 1 (Thread 0x7faa726b7740 (LWP 31867))]