unexpected problem of bind-8.2.2-p7

[Zhao Yue]

> >I did not find any unusualness of the machine, nor could I detect any network
> >problems. A neighboring DNS server was running well at the same time. Since
> >it had never happened by the previous versions of bind, I just guess it may be
> >a bug of the new version. Is there anybody who had a similar experience?
> >What is most likely the reason of the problem?
> 
> Looks like you lost db.cache, run this:
> 
> dig @a.root-servers . ns >/etc/namedb/db.cache
> 
> ndc reload
> 


In fact the file root.cache (hint file in our system) remained intact. I simply run
"ndc reload" without any other actions and everything became OK. I can't
understand why named had got such a problem and am worrying that one day
it would happen once again.

Zhao Yue