[Samba] winbind sometimes does not resolve sid to a name

[Jeremy Allison]

On Mon, Nov 08, 2010 at 01:21:30PM -0600, Shirish Pargaonkar wrote:
> Sometimes a group sid does not get resolved to its name.
> 
> Is this a settings problem?  Looks like winbind deamon
> went dormant for a while and then woke up?
> I am using interface wbcLookupSid provided by the
> library libwbclient.so for resolving sids to names.
> 
> These are the winbind related parameters in
> /etc/samba/smb.conf

Not enough information for useful debugging. What
do the winbindd logs say ?