Maximum Session IDs

[Chris Tooley]

Are you by chance using some variant of *NIX (specifically Linux) as a
client as well?  I finally got tdbtool built and literally had 1000's of
session ids for my linux client in the sessionid.tdb in a matter of 4 or
5 hours.


Chris Tooley

On Thu, 2001-12-06 at 07:14, Tommy Wu wrote:
> Andrew Bartlett <abartlet at pcug.org.au> wrote:
> 
> > Shut down Samba, delete /var/locks/samba/sessionid.tdb. 
> > Try to reproduce.
> 
>    I've the same problem with samba 2.2.x (all I've tried from 2.2.1).
>    I've only 3 client here, but after one day, the session id will over 3000... :-(
>  
> > Turn up the log level, and give me a some logs of the code just before
> > it thinks its out of sessionids.
> 
>    I add some debug code to session_claim() and session_yield() to mark a session allocate
>    and session release.
>    
>    I found when I running a Win2000 server as samba client...
>    It'll request a new session id for a few seconds like
> 
> [2001/12/06 20:52:55, 1] smbd/session.c:session_claim(93)
>   session_claim: allocate ID: 1
> [2001/12/06 20:52:55, 1] smbd/service.c:make_connection(610)
>   teatime-dc (192.168.0.10) connect to service BBS_SYS as user bbs (uid=1001, gid=1000) (pid 19408)
> [2001/12/06 20:53:00, 1] smbd/session.c:session_claim(93)
>   session_claim: allocate ID: 2
> [2001/12/06 20:53:00, 1] smbd/service.c:make_connection(610)
>   teatime-dc (192.168.0.10) connect to service BBS_SYS as user bbs (uid=1001, gid=1000) (pid 19408)
> [2001/12/06 20:53:02, 1] smbd/session.c:session_claim(93)
>   session_claim: allocate ID: 3
> [2001/12/06 20:53:02, 1] smbd/service.c:make_connection(610)
>   bbs (192.168.0.129) connect to service BBS_SYS as user bbs (uid=1001, gid=1000) (pid 19423)
> [2001/12/06 20:53:03, 1] smbd/service.c:close_cnum(650)
>   teatime-dc (192.168.0.10) closed connection to service BBS_SYS
>   
> There is only one client here, should only one session id here I think.
> But for a few seconds, a win2000 server smbclient request a new session id..
> So the session id will run over the limit (3000).
> 
> When I kill the process in smbstatus (only one process)...
> All session id will release like this:
> 
> [2001/12/06 21:01:26, 1] smbd/session.c:session_yield(148)
>   session_yield: release ID: 50
> [2001/12/06 21:01:26, 1] smbd/session.c:session_yield(148)
>   session_yield: release ID: 49
> [2001/12/06 21:01:26, 1] smbd/session.c:session_yield(148)
>   session_yield: release ID: 48
> [2001/12/06 21:01:26, 1] smbd/session.c:session_yield(148)
>   session_yield: release ID: 47
> [2001/12/06 21:01:26, 1] smbd/session.c:session_yield(148)
>   session_yield: release ID: 46
> [2001/12/06 21:01:26, 1] smbd/session.c:session_yield(148)
>   session_yield: release ID: 2
> 
>    I'm using Debian woody now. for kernel 2.4.2 to 16 with reiserfs and xfs.
>     (with or without smp) All will get the same problem here.
> 
>   Attach file is a samba log for log level = 10.
> 
>   I current patch the samba source to disable session_claim() and session_yield().
>   This seems work fine here.... (I'm not sure there is any other problem without 
>   these two functions...)
> 
> -- 
> 
>     Tommy Wu
>     mailto:tommy at teatime.com.tw
>     http://www.teatime.com.tw/~tommy
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>