[Samba] random samba failures

[Adam Nielsen]

> we didn't find any useful information in the log files (smbd, winbindd,
> client) even if the debug level was raised to 3.
> 
> The problem is that we know when the first client gets rejected, but not
> when the originating error occurs.
> 
> if you have any advice to narrow what's causing this issue, please help!
> 
> I can provide any config or log file along with every details for any
> tests you may think of.

The only thing I can suggest is to attach to one of the hung smbd
servers with GDB, and see if you can find out where precisely it has
hung.  That might at least give you a clue as to what it's waiting for.

Cheers,
Adam.