After upgrading from 2.0.6 to 2.0.7 , I can not see my dbs but still can use them

After upgrading from 2.0.6 to 2.0.7 via apt-get upgrade the shell command "show dbs" stop showing my dbs.
> db.test5.save(

{simpleitem:1234}

)
> show dbs
local (empty)
test 0.203125GB
> db.test5.find()

{ "_id" : ObjectId("5030208b41d1cfdf9b76a70f"), "simpleitem" : 1234 }

>