问题描述：

系统刚开启，一切正常
过段时间（几分钟到几个小时不等）——发帖只能看到题目而没有实际内容
再过段时间（10分钟以内）——进版断线
紧接着就会进站断线
killall之后再开就重复以上的

error.log里面主要记录如下：
[04/29 05:37:59  1857 4.miscdaemon] (unknown user) flush passwd file
[04/29 07:26:22 11636 3.error] guest mkdir cache/home/G/guest/-20384 errorno 28
[04/29 07:26:42  9991 3.error] fxl mkdir cache/home/F/fxl/23 errorno 2
[04/29 07:26:42  9991 3.error] fxl write logincount err
[04/29 07:26:42  9995 3.error] (unknown user) can't open /usr/local/bbs/cache/home/F/fxl/entry errno 2
[04/29 07:26:42  9995 3.error] (unknown user) can't mmap /usr/local/bbs/cache/home/F/fxl/entry errno 9
[04/29 10:11:07  6319 3.error] (unknown user) Posting 'Re: cta是什么???' on 'DIABLOII': append_record failed!
[04/29 10:11:07  6319 3.rror] (unknown user) :Err:after_post Unable to post.
[04/29 10:12:11 17101 3.error] (unknown user) can't open /usr/local/bbs/cache/home/J/juny/entry errno 2
[04/29 10:12:11 17101 3.error] (unknown user) can't mmap /usr/local/bbs/cache/home/J/juny/entry errno 9

请指教
郁闷了好几天了
--
FROM 202.115.112.*