[Samba] numerous IPC$ connections

simo idra at samba.org
Mon Oct 8 22:16:34 GMT 2007

On Mon, 2007-10-01 at 10:06 -0400, Mike Davis wrote:
> After upgrading to 3.0.26a and moving to linux my member 
> server gets hundreds of IPC$ connections when I run 
> smbstatus.  I also see in my logs the following...
> [2007/10/01 10:01:15, 0] 
> lib/util_tdb.c:tdb_chainlock_with_timeout_internal(84)
>   tdb_chainlock_with_timeout_internal: alarm (10) timed out 
> for key VALDEZ in tdb /usr/local/samba/private/secrets.tdb
> I did a dump of secrets on my old server and there wasnt a 
> key for Valdez there.
> Now valdez is of teh DC's for the Domain.  I dont start 
> seeing all of thsi until we get high activity.  All the 
> clients do is login into teh domain and then we have a bat 
> file on the DC that mounts their home directory on this 
> server.
> Can anyone point me in the right direction for tracking down 
> why this is happening.  

I guess you are describing a situation where you have a lot of process
hanging where the smbd is basically stuck.

How many smbd process do you have a around when this happen?
(ps xa |grep smbd|wc -l)

How many clients?

On what OS are you running this?
Is /usr/local/samba a local file system (ext2/3?)?

And most importantly can you reproduce this at will ?


Simo Sorce
Samba Team GPL Compliance Officer
email: idra at samba.org

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