参考《Linux® Debugging and Performance Tuning: Tips and Techniques》 chapter 7
The Oops message is one way the kernel can show you that one of its components has a NULL or invalid pointer.
1. /root/System.map is a list of functions or symbols available in the kernel. It contains information about the entry points of the functions compiled into the kernel, along with debug information. It is created by the nm command in the kernel makefile.
相关命令: ksymoops < /var/log/messages
2. perror
Print a description for a system error code or an error code from a MyISAM/ISAM/BDB table handler.