[Samba] SMBD Crash

Patrick Flaherty pflahrty at rampageinc.com
Sat Apr 28 16:35:05 MDT 2012

Yes, version 3.0.28-apple which ships with 10.6.8.

Apple so far has been useless in trying to solve this. I have Redhat  
machines with later versions and have not had the problem reported.

Best I can tell it has to do with our software accessing the registry  
repeatedly and finally SMBD falls over. This only with a Windows 7 box
as I can run XP all day without issue doing the same access to the  
registry. I'm almost sure it accessing the registry going by what I  
see in packet traces.
(DCERPC Bind ...... is the packet that shows a fault and the daemon  
terminates and another SMBD picks the session up like nothing happened.)


On Apr 28, 2012, at 4:37 PM, Jeremy Allison wrote:

> On Sun, Apr 22, 2012 at 02:29:29PM -0400, Patrick Flaherty wrote:
>> Our software utilizes an OS X Server (Snow Leopard 10.6.8) for file
>> read and writes.  We gather files out of many directories, process
>> them, and then write files back to the server.
>> We had a long time end user who utilizes our software with an XP box
>> upgrade from XP to Windows 7.
>> Now with Windows 7 the SMBD is crashing routinely under heavy loads.
>> Whatever information it was working on at the time is corrupted.
>> EVEN WORSE the SMBD respawns silently under a new process and
>> reconnects, so we don't know that the smb server crashed or that the
>> data has become corrupt.
>> The problem is intermitant, but frequent.  I'll throw 16 duplicates
>> of the same file at the system and it will fail on, say, files 11
>> and 16.  This is the same file under a different name.
>> Here's a sample crash log (they're all about the same.)
> Is this the 3.0.x-based smbd that Apple ships ? Or a more
> modern smbd running somewhere else ?
> Jeremy.

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