[Samba] Browsing problem with XP Media Center Edition

[Per Mellander]

Hi all!

I've got a samba-3.0.14a-2 running on a single subnet. It has been my
WINS server for a long time and has done well, until now. The dhcp
server on the subnet is telling all clients to use the file server as
WINS but when one of the employees here plugs in his XP Media Center
Edition, browsing is failing. It's failing by only showing the file
server, the XP MCE and eventually the client you are browsing from in
Network Nbh.

I'm getting this hits in nmbd.log when the XP MCE is plugged in:

Dec 19 13:35:07 file-server nmbd[29520]: [2006/12/19 13:35:07, 0]
nmbd/nmbd_incomingdgrams.c:process_local_master_announce(311)
Dec 19 13:35:07 file-server nmbd[29520]:
process_local_master_announce: Server BABAR at IP 10.0.0.76 is
announcing itself as a local master browser for workgroup USSARE and we
think we are master. Forcing election.
Dec 19 13:35:07 file-server nmbd[29520]: [2006/12/19 13:35:07, 0]
nmbd/nmbd_become_lmb.c:unbecome_local_master_success(149)
Dec 19 13:35:07 file-server nmbd[29520]:   *****
Dec 19 13:35:07 file-server nmbd[29520]:
Dec 19 13:35:07 file-server nmbd[29520]:   Samba name server file-server
has stopped being a local master browser for workgroup USSARE on subnet
10.0.0.4
Dec 19 13:35:07 file-server nmbd[29520]:
Dec 19 13:35:07 file-server nmbd[29520]:   *****
Dec 19 13:35:22 file-server nmbd[29520]: [2006/12/19 13:35:22, 0]
nmbd/nmbd_nameregister.c:register_name_response(130)
Dec 19 13:35:22 file-server nmbd[29520]:   register_name_response:
server at IP 10.0.0.76 rejected our name registration of USSARE<1d> IP
10.0.0.4 with error code 6.
Dec 19 13:35:22 file-server nmbd[29520]: [2006/12/19 13:35:22, 0]
nmbd/nmbd_become_lmb.c:become_local_master_fail2(417)
Dec 19 13:35:22 file-server nmbd[29520]:   become_local_master_fail2:
failed to register name USSARE<1d> on subnet 10.0.0.4. Failed to become
a local master browser.
Dec 19 13:35:22 file-server nmbd[29520]: [2006/12/19 13:35:22, 0]
nmbd/nmbd_namelistdb.c:standard_fail_register(283)
Dec 19 13:35:22 file-server nmbd[29520]:   standard_fail_register:
Failed to register/refresh name USSARE<1d> on subnet 10.0.0.4
Dec 19 13:35:22 file-server nmbd[29520]: [2006/12/19 13:35:22, 0]
nmbd/nmbd_responserecordsdb.c:find_response_record(220)
Dec 19 13:35:22 file-server nmbd[29520]:   find_response_record:
response packet id 2672 received with no matching record.
Dec 19 13:37:11 file-server nmbd[29520]: [2006/12/19 13:37:11, 0]
nmbd/nmbd_namequery.c:query_name_response(101)
Dec 19 13:37:11 file-server nmbd[29520]:   query_name_response: Multiple
(2) responses received for a query on subnet 10.0.0.4 for name USSARE<1d>.
Dec 19 13:37:11 file-server nmbd[29520]:   This response was from IP
10.0.0.76, reporting an IP address of 10.0.0.76.

Part of my smb.conf:

    domain master = yes
    local master = yes
    preferred master = yes
    os level = 255

What's going on? Everything works flawlessly until BABAR is connected to
the network! I've also noticed that even if BABAR is disconnected the 
browsing is failing. nmbd.log shows the following:

Dec 21 04:02:09 fileserver nmbd[29520]:   Got SIGHUP dumping debug info.
Dec 21 04:02:09 fileserver nmbd[29520]: [2006/12/21 04:02:09, 0] 
nmbd/nmbd_workgroupdb.c:dump_workgroups(284)
Dec 21 04:02:09 fileserver nmbd[29520]:   dump_workgroups()
Dec 21 04:02:09 fileserver nmbd[29520]:    dump workgroup on subnet 
    10.0.0.4: netmask=  255.255.255.0:
Dec 21 04:02:09 fileserver nmbd[29520]:         USSARE(1) current master 
browser = BABAR
Dec 21 04:02:09 fileserver nmbd[29520]:                 fileserver 
40099a03 (Samba ver. 3.0.14a-2)
Dec 21 04:02:09 fileserver nmbd[29520]: [2006/12/21 04:02:09, 0] 
nmbd/nmbd_workgroupdb.c:dump_workgroups(284)
Dec 21 04:02:09 fileserver nmbd[29520]:   dump_workgroups()
Dec 21 04:02:09 fileserver nmbd[29520]:    dump workgroup on subnet 
UNICAST_SUBNET: netmask=       10.0.0.4:
Dec 21 04:02:09 fileserver nmbd[29520]:         USSARE(1) current master 
browser = UNKNOWN
Dec 21 04:02:09 fileserver nmbd[29520]:                 fileserver 
40099a03 (Samba ver. 3.0.14a-2)



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