[Samba] [PATCH] Workaround very slow nss_winbind, fix crash on the AD DC (particularly for backups)

[Volker Lendecke]

On Tue, Jun 18, 2013 at 12:49:37PM +1000, Andrew Bartlett wrote:
> This patch attempts to address an issue some have reported where our
> nss_winbind is even slower than it's simple non-caching implementation
> needs to be.
> 
> I think this comes from us not handling the BUILTIN domain properly, and
> so we constantly attempt to contact the DC, and then fail an internal
> validation step, throwing away that connection.  
> 
> I think this is also the cause of crashes folks have seen.
> 
> Can I get some confirmation that this helps, so I can merge this into
> master (and then 4.0.x)?

If you add the Signed-off-by-line, consider this reviewed-by
me.

Volker

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