使用xdevice跑测试用例，模式为远程hdc server连接模式，xdevice结束后，hdc server随之异常结束，并有core文件输出。
使用gdb查看core文件：
root@hdc-server-wr926:/app# gdb hdc_std core
GNU gdb (Debian 8.2.1-2+b3) 8.2.1
Copyright (C) 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 hdc_std...Reading symbols from .gnu_debugdata for /app/lib/toolchains/hdc_std...(no debugging symbols found)...done.
(no debugging symbols found)...done.
[New LWP 308519]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `hdc_std -s 127.0.0.1:8199 list targets'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00005632193f2c17 in Hdc::HdcChannelBase::FreeChannelContinue(Hdc::HdcChannel*)::$_0::__invoke(uv_handle_s*) ()