[Samba] major upgrade to 3.5.1, major problem

[Jeremy Allison]

On Tue, Mar 09, 2010 at 10:45:39PM -0500, Chris Smith wrote:
> Just upgraded a Samba PDC from 3.0.32 to 3.5.1. The good news - it is
> running - the bad news - probably on life support.
> 
> All seemed well until I started getting messages on some Windows
> clients that the domain was not available - if your credentials were
> not cached you could not log in - if they were everything seemed to
> work.
> 
> The test:
> nmblookup -B BIGSERVER __SAMBA__
> 
> failed (yes, I replaced BIGSERVER with the proper PDC name)
> 
> The test:
> nmblookup -M testgroup
> 
> also failed.
> 
> But if your credentials were cached, you could login, the netlogon
> scripts would run, the shared directories and printers were
> available,etc.
> 
> A restart makes everything right (the tests above will produce correct
> info and the domain will be available) - for anywhere from a few
> minutes to an hour or so but at some point samba will lose its head
> and the domain will be unavailable.
> 
> Assistance is greatly appreciated.

There were some changes that went into nmbd in 3.5.x to
allow it to run correctly on a box with "bind interfaces only"
set. Can you post your smb.conf ?

Jeremy.