帮我分析一下这个MYSQL问题所在，谢了

dwtxvk

各位兄台，我的MYSQL老是死掉
这是我的MySQL错误记录中的最后几条信息
有谁能帮我分析下

1. It is possible that mysqld could use up to
   
2. key_buffer_size + (read_buffer_size + sort_buffer_size)*max_connections = 290904 K
   
3. bytes of memory
   
4. Hope that's ok; if not, decrease some variables in the equation.
   
5. 
   
6. 040831 21:06:45  mysqld started
   
7. 040831 21:06:49  InnoDB: Started
   
8. /usr/local/mysql/libexec/mysqld: ready for connections.
   
9. Version: '4.0.20-log'  socket: '/tmp/mysql.sock'  port: 3306
   
10. mysqld got signal 11;
    
11. This could be because you hit a bug. It is also possible that this binary
    
12. or one of the libraries it was linked against is corrupt, improperly built,
    
13. or misconfigured. This error can also be caused by malfunctioning hardware.
    
14. We will try our best to scrape up some info that will hopefully help diagnose
    
15. the problem, but since we have already crashed, something is definitely wrong
    
16. and this may fail.
    
17. 
    
18. key_buffer_size=402653184
    
19. read_buffer_size=2093056
    
20. max_used_connections=273
    
21. max_connections=1000
    
22. threads_connected=274
    
23. It is possible that mysqld could use up to
    
24. key_buffer_size + (read_buffer_size + sort_buffer_size)*max_connections = 290904 K
    
25. bytes of memory
    
26. Hope that's ok; if not, decrease some variables in the equation.
    
27. 
    
28. 
    
29. Number of processes running now: 0
    
30. 040831 21:07:14  mysqld restarted
    
31. 040831 21:07:14  InnoDB: Started
    
32. /usr/local/mysql/libexec/mysqld: ready for connections.
    
33. Version: '4.0.20-log'  socket: '/tmp/mysql.sock'  port: 3306
    
34. 
    

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谢谢先！