.zfs/snapshot: Bad file descriptor

[Randy Bush]

>> moo.edu:/usr# rm -rf .zfs
>> rm: .zfs/snapshot: Bad file descriptor
>> rm: .zfs: File exists
>>
>> moo.edu:/usr# ls -l .zfs
>> ls: snapshot: Bad file descriptor
>> total 0
>>
>> and old trusty emacs dired did not help
>>  (file-error Removing old name operation not supported /usr/.zfs/snapshot)
> try rebooting the system if possible  - current freebsd implementation
> has this feature from RELENG_7.

that worked.  but yuchh.

it's a kernel cvsupped 2009.01.09.  should i cvsup and rebuild?

randy