为什么我py-bt命令的时候报<class 'gdb.MemoryError'>错误呢

[zhuofeng6]

是因为优化级别的问题吗？-O0或者-O2?

关于用gdb调试python程序的困惑，https://github.com/ictar/python-doc/blob/master/Others/%E4%BD%BF%E7%94%A8gdb%E8%B0%83%E8%AF%95CPython%E8%BF%9B%E7%A8%8B.md

[root@localhost ~]# gdb /usr/bin/python3 -p 945
GNU gdb (GDB) EulerOS 9.2-1.h4.eulerosv2r10
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Reading symbols from /usr/bin/python3...
Reading symbols from /usr/lib/debug//usr/bin/python3.7-3.7.9-9.h30.eulerosv2r10.aarch64.debug...
Attaching to program: /usr/bin/python3, process 945
[New LWP 1278]

warning: File "/usr/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "$debugdir:$datadir/auto-load".
To enable execution of this file add
	add-auto-load-safe-path /usr/lib64/libthread_db-1.0.so
line to your configuration file "/root/.gdbinit".
To completely disable this security protection add
	set auto-load safe-path /
line to your configuration file "/root/.gdbinit".
For more information about this security protection see the
"Auto-loading safe path" section in the GDB manual.  E.g., run from the shell:
	info "(gdb)Auto-loading safe path"

warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.

warning: File "/usr/lib64/libthread_db-1.0.so" auto-loading has been declined by your `auto-load safe-path' set to "$debugdir:$datadir/auto-load".

warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.
0x0000ffff8aaae63c in poll () from /usr/lib64/libc.so.6
(gdb) py-bt
Traceback (most recent call first):
Python Exception <class 'gdb.MemoryError'> Cannot access memory at address 0x6200000081: 
Error occurred in Python: Cannot access memory at address 0x6200000081