Samba4 shared FS + MacOS issue

George K Colley gcolley at apple.com
Fri Jan 30 16:37:04 GMT 2009


On Jan 29, 2009, at 7:43 PM, Xavier Ambrosioni wrote:

> Ok, I will send you the samba log file in few hours. Which log level  
> do you need?
Not sure lets try 5 then go from there.
>
>
> I found in the code an option called "server signing". I tried to  
> set it to "off" and "disabled" but the result is still the same. I  
> don't know if that option is really implemented yet.
>
> Xavier
>
> Le 29 janv. 09 à 22:57, George K Colley <gcolley at apple.com> a écrit :
>
>> So I am not sure what they don't like. We should get the samba 4  
>> logs and see if they have any info.
>> On Jan 29, 2009, at 11:35 AM, Xavier Ambrosioni wrote:
>>
>>> Hi George,
>>>
>>> in attachment the dump file starting before the mount of the drive.
>>> Yes there is the same issue even with 1 byte.
>>>
>>>
>>> Xavier
>>>
>>>
>>>
>>> <DumpFile.dmp.gz>
>>>
>>>
>>> Le 29 janv. 09 à 01:10, George K Colley a écrit :
>>>
>>>> One other note doesn't seem to be a size issue because writes of  
>>>> 1 byte have the same issue?
>>>> On Jan 28, 2009, at 4:03 PM, George K Colley wrote:
>>>>
>>>>> So the SMB packet signing issue which was reported with Win2k  
>>>>> and Win2K8 system was correct in 10.5.3. That issue was cause by  
>>>>> the client using the wrong buffer size on writes.
>>>>>
>>>>> Now in the trace packet 353 opens a file for read/writing, then  
>>>>> pack 356 attempts to write 4096 and the server returns an error  
>>>>> NT_STATUS_UNSUCCESSFUL (0xc0000001)?
>>>>>
>>>>> Now  packet signing is on, so it could be related just not sure.  
>>>>> Would like to retest with packet signing turned off, does anyone  
>>>>> on the list know how to turn signing off with Samba4?
>>>>>
>>>>> Next can you get me a tcpdump starting before the mount so I can  
>>>>> see the CAP of the server?
>>>>>
>>>>> Gerge
>>>>>
>>>>>
>>>>> On Jan 28, 2009, at 11:09 AM, Xavier Ambrosioni wrote:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> sorry, I did not know that '-w' option produce a dump with more  
>>>>>> information.
>>>>>> You will find that dump in attachment.
>>>>>>
>>>>>> 172.16.0.2 is the Mac
>>>>>> 172.16.0.10 is the samba server
>>>>>>
>>>>>> Thank you
>>>>>> Xavier
>>>>>>
>>>>>> <DumpFile.dmp>
>>>>>>
>>>>>>
>>>>>>
>>>>>> Le 28 janv. 09 à 10:22, Gavin Beatty a écrit :
>>>>>>
>>>>>>> 2009/1/27 Xavier Ambrosioni <xavier.ambrosioni at cinema- 
>>>>>>> voiron.fr>:
>>>>>>>> Hi,
>>>>>>>>
>>>>>>>> you will find in attachment the dump file. I used the command  
>>>>>>>> 'tcpdump -i
>>>>>>>> en0 -s 0 |grep -v vnc >DumpFile.txt' because I'm currently  
>>>>>>>> using VNC to
>>>>>>>> connect to my mac and I wanted to remove the vnc packets from  
>>>>>>>> the dump file
>>>>>>>> to decrease its size.
>>>>>>>
>>>>>>> Hi Xavier,
>>>>>>>
>>>>>>> Please follow George's instructions as the text output of  
>>>>>>> tcpdump is
>>>>>>> not a "dump" in the proper sense. The important part is the -w
>>>>>>> ~/Desktop/DumpFile.dmp. This writes a true dump file which has  
>>>>>>> much
>>>>>>> more (extremely useful!) information. Using wireshark (or  
>>>>>>> ethereal),
>>>>>>> it's easy for the samba guys to visually exclude your VNC  
>>>>>>> traffic when
>>>>>>> they view the DumpFile.dmp so there is no need for you to  
>>>>>>> worry about
>>>>>>> it.
>>>>>>>
>>>>>>> So, if you follow George's instructions exactly and attach the
>>>>>>> DumpFile.dmp, all will be well.
>>>>>>>
>>>>>>> Cheers,
>>>>>>> Gavin
>>>>>>>
>>>>>>> -- 
>>>>>>> Gavin Beatty
>>>>>>>
>>>>>>> SEMPER UBI SUB UBI
>>>>>>
>>>>>
>>>>
>>>
>>



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