thanks

2010/6/7 walt <w41ter@gmail.com>
On 06/06/2010 05:40 AM, Chen Huan wrote:
It's baselayout-2.0.1

And I remerged openrc and baselayout-2, the problem solved

but I still want to know the reason why the problem happen

I don't know, but I suspect one of those two packages had a bug
when you installed them last time, and the bug has been fixed
since then.   Just a guess.