Unstable printing w/3.2.0

[Adam Tauno Williams-4]

I've upgraded my print server to CentOS5 w/Samba 3.2.0.  While it
"works" we are experiencing numerous irritating issues.  I'm curious if
anyone else is experencing these issues.

1.) Print jobs do not clear out of the CIFS queue.  So we now have
printers that show they have over 1,000 jobs in the queue although the
queue is empty.   This is a bug scheduled to be fixed in 3.2.1 (I
believe) so at least I'm not crazy on this one.

2.) When attempting to upload some drivers the process fails with "This
driver is not compatible with Windows XP".  Although it is the latest
driver for HP's Laserjet 4200 series.  This occurs with both PCL and
Postscript drivers.

3.) After working perfectly for awhile a specific queue will stop
working and users will get an "Access Denied" messgaes while other
queues using the same driver will work perfectly.   Then switching the
driver on the server around will sometimes make it work.  Othertimes the
driver needs to be deleted, re-added, and reassigned to the printer to
make the "Access Denied" message disappear.

Does 3.2.0 make any changes to the TDB format?  If not, is it possible
to drop backwards to a stable version?

Printing via LPD or IPP directly to CUPS works flawlessly every time.

[root@crew ~]# rpm -q samba3
samba3-3.2.0-36
[root@crew ~]# uname -a
Linux crew.morrison.iserv.net 2.6.18-92.1.6.el5 #1 SMP Wed Jun 25
13:49:24 EDT 2008 i686 i686 i386 GNU/Linux
[root@crew ~]# rpm -q cups
cups-1.3.8-1

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[Adam Tauno Williams-4]

> 3.) After working perfectly for awhile a specific queue will stop
> working and users will get an "Access Denied" messgaes while other
> queues using the same driver will work perfectly.   Then switching the
> driver on the server around will sometimes make it work.  Othertimes the
> driver needs to be deleted, re-added, and reassigned to the printer to
> make the "Access Denied" message disappear.

Found a seemingly reliable work around for #3.

# Stop SMB services
[root@crew var]# rcsmb stop
Shutting down SMB services:                                [  OK  ]
Shutting down NMB services:                                [  OK  ]
# make sure all the SMB processes have stopped, this may take a minute
[root@crew var]# ps ax | grep smb
 6956 pts/1    S+     0:00 grep smb
# Remove the related tdb file
[root@crew var]# rm ./lib/samba/printing/cenps.tdb
rm: remove regular file `./lib/samba/printing/cenps.tdb'? y
# Restart SMB services
[root@crew var]# rcsmb start
Starting SMB services:                                     [  OK  ]
Starting NMB services:                                     [  OK  ]

Users can now print to the queue again, no "Access Denied" message.


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[Michael Adam]

Adam Tauno Williams wrote:
> I've upgraded my print server to CentOS5 w/Samba 3.2.0.  While it
> "works" we are experiencing numerous irritating issues.  I'm curious if
> anyone else is experencing these issues.
>
> 1.) Print jobs do not clear out of the CIFS queue.  So we now have
> printers that show they have over 1,000 jobs in the queue although the
> queue is empty.   This is a bug scheduled to be fixed in 3.2.1 (I
> believe) so at least I'm not crazy on this one.

This is a bug, and it is already fixed (for 3.2.1). You are not crazy! :-)

Cheers - Michael

--
Michael Adam <ma@...>  <obnox@...>
SerNet GmbH, Bahnhofsallee 1b, 37081 Göttingen
phone: [phone], fax: [phone]
AG Göttingen, HRB 2816, GF: Dr. Johannes Loxen
http://www.SerNet.DE, mailto: Info @ SerNet.DE


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[Gerald Carter-4]

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Adam Tauno Williams wrote:

>> 3.) After working perfectly for awhile a specific queue will stop
>> working and users will get an "Access Denied" messgaes while other
>> queues using the same driver will work perfectly.   Then switching the
>> driver on the server around will sometimes make it work.  Othertimes the
>> driver needs to be deleted, re-added, and reassigned to the printer to
>> make the "Access Denied" message disappear.
>
> Found a seemingly reliable work around for #3.
>
> # Stop SMB services

....
> [root@crew var]# rm ./lib/samba/printing/cenps.tdb
> rm: remove regular file `./lib/samba/printing/cenps.tdb'? y
> # Restart SMB services
> [root@crew var]# rcsmb start
> Starting SMB services:                                     [  OK  ]
> Starting NMB services:                                     [  OK  ]
>
> Users can now print to the queue again, no "Access Denied" message.


Are there any messages in the log files about a corrupted tdb ?
The only change I could think of is a change in the way the security
access check for a job  is done.  Jeremy might remember more.





cheers, jerry
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