把AIX4.3.3升级为AIX5L后启动informix报错

错误如下：
exec(): 0509-036 Cannot load program onstat because of the following errors:
        0509-124 The program is a discontinued 64-bit object file.
操作系统在升级前后都检查过是64位的。怎么还报位数的错误？

你将IDS重新安装一遍呢