Issue while accessing File share continuously

[sathiskanna.krishnaswamy]

Hi,


1)      We are facing memory issue with using samba-3.0.37 and log shows the following message continuously.

>> nmbd:@@@@@PANIC: failed to create UCS2 buffer
>> nmbd:@@@@@PANIC: failed to create UCS2 buffer
>>nmbd:@@@@@PANIC: failed to create UCS2 buffer

      This issue occurred when we continuously access the fileshare (say more than 1000 times). We are analysing how to relate
this issue with nmbd. But, wanted to confirm, Is samba-3.0.37 has any memory issues?


2)      While analysing network capture for the above issue, SMB Client sends the "NT QUERY SECURITY DESC" request while accessing FileShare? On which scenario, this request is sent to SMB server since it is not seen in normal file share access?

Best Regards,
Sathis

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[Volker Lendecke]

On Wed, Jun 20, 2012 at 06:12:59AM +0000, [hidden email] wrote:
> 1)      We are facing memory issue with using samba-3.0.37
> and log shows the following message continuously.

Samba 3.0.37 has been continued August 5th, 2009. Is it
possible that you upgrade to a later version?

With best regards,

Volker Lendecke

--
SerNet GmbH, Bahnhofsallee 1b, 37081 Göttingen
phone: [phone], fax: [phone]
AG Göttingen, HRB 2816, GF: Dr. Johannes Loxen
http://www.sernet.de, mailto:[hidden email]

[Volker Lendecke]

On Wed, Jun 20, 2012 at 08:33:49AM +0200, Volker Lendecke wrote:
> On Wed, Jun 20, 2012 at 06:12:59AM +0000, [hidden email] wrote:
> > 1)      We are facing memory issue with using samba-3.0.37
> > and log shows the following message continuously.
>
> Samba 3.0.37 has been continued August 5th, 2009. Is it

"continued" -> "discontinued" of course.

Volker

> possible that you upgrade to a later version?
>
> With best regards,
>
> Volker Lendecke
>
> --
> SerNet GmbH, Bahnhofsallee 1b, 37081 Göttingen
> phone: [phone], fax: [phone]
> AG Göttingen, HRB 2816, GF: Dr. Johannes Loxen
> http://www.sernet.de, mailto:[hidden email]

--
SerNet GmbH, Bahnhofsallee 1b, 37081 Göttingen
phone: [phone], fax: [phone]
AG Göttingen, HRB 2816, GF: Dr. Johannes Loxen
http://www.sernet.de, mailto:[hidden email]

[sathiskanna.krishnaswamy]

Hi Volker,

Thanks for the reply and we are considering for samba upgrade .

Since Samab version-3.0.37 is currently already running our environment and upgrade takes sometime, we are analysing this issue.

BTW, any idea for the below query?

>>While analysing network capture for the above issue, SMB Client sends the "NT QUERY SECURITY DESC" request while accessing FileShare? On which scenario, this request is sent to SMB server since it is not seen in normal file share access?

Regards,
Sathis


-----Original Message-----
From: Volker Lendecke [mailto:[hidden email]]
Sent: 20 June 2012 12:15
To: Sathiskanna Krishnaswamy (WT01 - Manufacturing & Hi Tech)
Cc: [hidden email]
Subject: Re: Issue while accessing File share continuously

On Wed, Jun 20, 2012 at 08:33:49AM +0200, Volker Lendecke wrote:
> On Wed, Jun 20, 2012 at 06:12:59AM +0000, [hidden email] wrote:
> > 1)      We are facing memory issue with using samba-3.0.37
> > and log shows the following message continuously.
>
> Samba 3.0.37 has been continued August 5th, 2009. Is it

"continued" -> "discontinued" of course.

Volker

> possible that you upgrade to a later version?
>
> With best regards,
>
> Volker Lendecke
>
> --
> SerNet GmbH, Bahnhofsallee 1b, 37081 Göttingen
> phone: [phone], fax: [phone] AG Göttingen, HRB 2816,
> GF: Dr. Johannes Loxen http://www.sernet.de, mailto:[hidden email]

--
SerNet GmbH, Bahnhofsallee 1b, 37081 Göttingen
phone: [phone], fax: [phone] AG Göttingen, HRB 2816, GF: Dr. Johannes Loxen http://www.sernet.de, mailto:[hidden email]

Please do not print this email unless it is absolutely necessary.

The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments.

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[Volker Lendecke]

On Wed, Jun 20, 2012 at 07:19:25AM +0000, [hidden email] wrote:
 
> >>While analysing network capture for the above issue, SMB
> >>Client sends the "NT QUERY SECURITY DESC" request while
> >>accessing FileShare? On which scenario, this request is
> >>sent to SMB server since it is not seen in normal file
> >>share access?

A client can do this at any time. I have stopped asking when
and in particular why Windows does anything a long time ago.
You might want to ask Microsoft themselves, maybe something
like filemon gives you hints.

With best regards,

Volker Lendecke

--
SerNet GmbH, Bahnhofsallee 1b, 37081 Göttingen
phone: [phone], fax: [phone]
AG Göttingen, HRB 2816, GF: Dr. Johannes Loxen
http://www.sernet.de, mailto:[hidden email]

[sathiskanna.krishnaswamy]

OK. Thanks for the Reply.

-----Original Message-----
From: Volker Lendecke [mailto:[hidden email]]
Sent: 20 June 2012 14:03
To: Sathiskanna Krishnaswamy (WT01 - Manufacturing & Hi Tech)
Cc: [hidden email]
Subject: Re: Issue while accessing File share continuously

On Wed, Jun 20, 2012 at 07:19:25AM +0000, [hidden email] wrote:

> >>While analysing network capture for the above issue, SMB Client
> >>sends the "NT QUERY SECURITY DESC" request while accessing
> >>FileShare? On which scenario, this request is sent to SMB server
> >>since it is not seen in normal file share access?

A client can do this at any time. I have stopped asking when and in particular why Windows does anything a long time ago.
You might want to ask Microsoft themselves, maybe something like filemon gives you hints.

With best regards,

Volker Lendecke

--
SerNet GmbH, Bahnhofsallee 1b, 37081 Göttingen
phone: [phone], fax: [phone] AG Göttingen, HRB 2816, GF: Dr. Johannes Loxen http://www.sernet.de, mailto:[hidden email]

Please do not print this email unless it is absolutely necessary.

The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments.

WARNING: Computer viruses can be transmitted via email. The recipient should check this email and any attachments for the presence of viruses. The company accepts no liability for any damage caused by any virus transmitted by this email.

www.wipro.com