On 28 Feb 2011, at 17:04, Nicholas Clark wrote: [...]
Um, this would be the database that the user 'root' created only 5 minutes ago? What do you mean that you can create something that you can't then dump?
On the bright side, at least you know that you don't have a backup and can act accordingly. This is a substantial improvement on the usual failure mode of it claiming success, but has actually created a slightly broken dump file which won't restore properly without hand-editing.