[Samba] samba PANIC

skull skull17 at gmx.ch
Fri Nov 25 07:42:13 MST 2011


Hello folks.

We've got a wierd Problem at a customer server.
The Server was running fine until tomorrow morning...

My problem is that i have no idea where to begin my search for a solution.
The Server is used as a Primary Domain Controller and worked just fine.

here you see what cat /var/log/message | grep smbd is trying to tell me:

First i have a lot of lines like this:
Nov 20 04:04:12 dc smbd[18091]: [2011/11/20 04:04:12.761519,  0] 
printing/print_cups.c:108(cups_connect)
Nov 20 04:04:12 dc smbd[18091]:   Unable to connect to CUPS server 
localhost:631 - Connection refused
..Thats normal because cups is not running.


This one looks more suspicious, it seems that the machine can't properly 
connect to the domain. But the system was running fine anyway... (regarding 
the machine and the network/domain itself)

Nov 20 11:14:34 dc smbd[19184]: [2011/11/20 11:14:34.524218,  0] 
rpc_server/srv_netlog_nt.c:714(_netr_ServerAuthenticate3)
Nov 20 11:14:34 dc smbd[19184]:   _netr_ServerAuthenticate3: 
netlogon_creds_server_check failed. Rejecting auth request from client 
WKST21 machine account WKST21$
Nov 20 11:15:02 dc smbd[19184]: [2011/11/20 11:15:02.680302,  0] 
lib/util_sock.c:474(read_fd_with_timeout)
Nov 20 11:15:02 dc smbd[19184]: [2011/11/20 11:15:02.680450,  0] 
lib/util_sock.c:1441(get_peer_addr_internal)
Nov 20 11:15:02 dc smbd[19184]:   getpeername failed. Error was Transport 
endpoint is not connected
Nov 20 11:15:02 dc smbd[19184]:   read_fd_with_timeout: client 0.0.0.0 read 
error = Connection reset by peer.
Nov 20 11:15:06 dc smbd[19188]: [2011/11/20 11:15:06.924877,  0] 
smbd/nttrans.c:2271(call_nt_transact_ioctl)
Nov 20 11:15:06 dc smbd[19188]:   call_nt_transact_ioctl(0x1401c4): 
Currently not implemented.
Nov 20 11:17:54 dc smbd[19208]: [2011/11/20 11:17:54.824653,  0] 
printing/print_cups.c:108(cups_connect)
So i don't really worry about that.

The cups errors went on until there was a new line after the cups errors:
Nov 20 16:11:30 dc smbd[21347]:   Unable to connect to CUPS server 
localhost:631 - Connection refused
Nov 20 16:11:30 dc smbd[21346]: [2011/11/20 16:11:30.467905,  0] 
printing/print_cups.c:468(cups_async_callback)
Nov 20 16:11:30 dc smbd[21346]:   failed to retrieve printer list: 
NT_STATUS_UNSUCCESSFUL
note the NT_STATUS_UNSUCCESSFUL error....
>From then the cups error is always followed by the NT_STATUS_UNSUCCESSFUL 
but samba worked fine anyway.

And here is where it went bonkers:
=======================

Nov 25 07:28:53 dc smbd[1261]: [2011/11/25 07:28:53.344761,  0] 
rpc_server/srv_netlog_nt.c:714(_netr_ServerAuthenticate3)
Nov 25 07:28:53 dc smbd[1261]:   _netr_ServerAuthenticate3: 
netlogon_creds_server_check failed. Rejecting auth request from client 
WKST21 machine account WKST21$
Nov 25 07:29:23 dc smbd[1265]: [2011/11/25 07:29:23.457344,  0] 
lib/util_sock.c:1441(get_peer_addr_internal)
Nov 25 07:29:23 dc smbd[1265]:   getpeername failed. Error was Transport 
endpoint is not connected
Nov 25 07:29:23 dc smbd[1265]: [2011/11/25 07:29:23.469821,  0] 
lib/util_sock.c:680(write_data)
Nov 25 07:29:23 dc smbd[1265]: [2011/11/25 07:29:23.469877,  0] 
lib/util_sock.c:1441(get_peer_addr_internal)
Nov 25 07:29:23 dc smbd[1265]:   getpeername failed. Error was Transport 
endpoint is not connected
Nov 25 07:29:23 dc smbd[1265]:   write_data: write failure in writing to 
client 0.0.0.0. Error Connection reset by peer
Nov 25 07:29:23 dc smbd[1265]: [2011/11/25 07:29:23.486266,  0] 
smbd/process.c:79(srv_send_smb)
Nov 25 07:29:23 dc smbd[1265]:   Error writing 4 bytes to client. -1. 
(Transport endpoint is not connected)
Nov 25 07:29:23 dc smbd[1261]: [2011/11/25 07:29:23.618947,  0] 
lib/util_sock.c:474(read_fd_with_timeout)
Nov 25 07:29:23 dc smbd[1261]: [2011/11/25 07:29:23.619014,  0] 
lib/util_sock.c:1441(get_peer_addr_internal)
Nov 25 07:29:23 dc smbd[1261]:   getpeername failed. Error was Transport 
endpoint is not connected
Nov 25 07:29:23 dc smbd[1261]:   read_fd_with_timeout: client 0.0.0.0 read 
error = Connection reset by peer.
Nov 25 07:30:16 dc smbd[1276]: [2011/11/25 07:30:16.679122,  0] 
lib/util_sock.c:680(write_data)
Nov 25 07:30:16 dc smbd[1276]: [2011/11/25 07:30:16.699813,  0] 
lib/util_sock.c:1441(get_peer_addr_internal)
Nov 25 07:30:16 dc smbd[1276]:   getpeername failed. Error was Transport 
endpoint is not connected
Nov 25 07:30:16 dc smbd[1276]:   write_data: write failure in writing to 
client 0.0.0.0. Error Connection reset by peer
Nov 25 07:30:16 dc smbd[1276]: [2011/11/25 07:30:16.699925,  0] 
smbd/process.c:79(srv_send_smb)
Nov 25 07:30:16 dc smbd[1276]:   Error writing 4 bytes to client. -1. 
(Transport endpoint is not connected)
Nov 25 07:31:07 dc smbd[1283]: [2011/11/25 07:31:07.193249,  0] 
lib/util_sock.c:1441(get_peer_addr_internal)
Nov 25 07:31:07 dc smbd[1283]:   getpeername failed. Error was Transport 
endpoint is not connected
Nov 25 07:31:07 dc smbd[1283]: [2011/11/25 07:31:07.193914,  0] 
lib/util_sock.c:680(write_data)
Nov 25 07:31:07 dc smbd[1283]: [2011/11/25 07:31:07.193967,  0] 
lib/util_sock.c:1441(get_peer_addr_internal)
Nov 25 07:31:07 dc smbd[1283]:   getpeername failed. Error was Transport 
endpoint is not connected
Nov 25 07:31:07 dc smbd[1283]:   write_data: write failure in writing to 
client 0.0.0.0. Error Connection reset by peer
Nov 25 07:31:07 dc smbd[1283]: [2011/11/25 07:31:07.194056,  0] 
smbd/process.c:79(srv_send_smb)
Nov 25 07:31:07 dc smbd[1283]:   Error writing 4 bytes to client. -1. 
(Transport endpoint is not connected)
Nov 25 07:31:23 dc smbd[1285]: [2011/11/25 07:31:23.386030,  0] 
rpc_server/srv_netlog_nt.c:714(_netr_ServerAuthenticate3)
Nov 25 07:31:23 dc smbd[1285]:   _netr_ServerAuthenticate3: 
netlogon_creds_server_check failed. Rejecting auth request from client 
WKST34 machine account WKST34$
Nov 25 07:31:54 dc smbd[1285]: [2011/11/25 07:31:54.988624,  0] 
smbd/nttrans.c:2296(call_nt_transact_ioctl)
Nov 25 07:31:54 dc smbd[1285]:   call_nt_transact_ioctl(0x1401c4): Currently 
not implemented.
Nov 25 07:32:17 dc smbd[1290]: [2011/11/25 07:32:17.620808,  0] 
lib/util_sock.c:474(read_fd_with_timeout)
Nov 25 07:32:17 dc smbd[1290]: [2011/11/25 07:32:17.620914,  0] 
lib/util_sock.c:1441(get_peer_addr_internal)
Nov 25 07:32:17 dc smbd[1290]:   getpeername failed. Error was Transport 
endpoint is not connected
Nov 25 07:32:17 dc smbd[1290]:   read_fd_with_timeout: client 0.0.0.0 read 
error = Connection reset by peer.
Nov 25 07:32:47 dc smbd[1292]: [2011/11/25 07:32:47.619491,  0] 
lib/util_sock.c:474(read_fd_with_timeout)
Nov 25 07:32:47 dc smbd[1292]: [2011/11/25 07:32:47.619593,  0] 
lib/util_sock.c:1441(get_peer_addr_internal)
Nov 25 07:32:47 dc smbd[1292]:   getpeername failed. Error was Transport 
endpoint is not connected
Nov 25 07:32:47 dc smbd[1292]:   read_fd_with_timeout: client 0.0.0.0 read 
error = Connection reset by peer.
Nov 25 07:32:54 dc smbd[1294]: [2011/11/25 07:32:54.643053,  0] 
smbd/nttrans.c:2296(call_nt_transact_ioctl)
Nov 25 07:32:54 dc smbd[1294]:   call_nt_transact_ioctl(0x1401c4): Currently 
not implemented.
Nov 25 07:34:56 dc smbd[1297]: [2011/11/25 07:34:56.772439,  0] 
locking/locking.c:804(share_mode_lock_destructor)
Nov 25 07:34:56 dc smbd[1297]:   store returned NT_STATUS_UNSUCCESSFUL
Nov 25 07:34:56 dc smbd[1297]: [2011/11/25 07:34:56.772544,  0] 
lib/util.c:1468(smb_panic)
Nov 25 07:34:56 dc smbd[1297]:   PANIC (pid 1297): could not store share 
mode entry: NT_STATUS_UNSUCCESSFUL
Nov 25 07:34:56 dc smbd[1297]: [2011/11/25 07:34:56.817234,  0] 
lib/util.c:1572(log_stack_trace)
Nov 25 07:34:56 dc smbd[1297]:   BACKTRACE: 21 stack frames:
Nov 25 07:34:56 dc smbd[1297]:    #0 smbd(log_stack_trace+0x2d) [0x71cb80]
Nov 25 07:34:56 dc smbd[1297]:    #1 smbd(smb_panic+0x7c) [0x71ccb2]
Nov 25 07:34:56 dc smbd[1297]:    #2 smbd [0x6a3fad]
Nov 25 07:34:56 dc smbd[1297]:    #3 smbd(_talloc_free+0x162) [0xaaff0f]
Nov 25 07:34:56 dc smbd[1297]:    #4 smbd [0x4b9708]
Nov 25 07:34:56 dc smbd[1297]:    #5 smbd(create_file_default+0x236) 
[0x4b9dd6]
Nov 25 07:34:56 dc smbd[1297]:    #6 smbd [0x4f9400]
Nov 25 07:34:56 dc smbd[1297]:    #7 smbd(smb_vfs_call_create_file+0xac) 
[0x4bfdaa]
Nov 25 07:34:56 dc smbd[1297]:    #8 smbd(reply_ntcreate_and_X+0x5ce) 
[0x47ea59]
Nov 25 07:34:56 dc smbd[1297]:    #9 smbd [0x4d1e26]
Nov 25 07:34:56 dc smbd[1297]:    #10 smbd [0x4d4eb1]
Nov 25 07:34:56 dc smbd[1297]:    #11 smbd [0x4d5777]
Nov 25 07:34:56 dc smbd[1297]:    #12 smbd(run_events+0x276) [0x72d5c1]
Nov 25 07:34:56 dc smbd[1297]:    #13 smbd(smbd_process+0xb40) [0x4d4641]
Nov 25 07:34:56 dc smbd[1297]:    #14 smbd [0xaae3bb]
Nov 25 07:34:56 dc smbd[1297]:    #15 smbd(run_events+0x276) [0x72d5c1]
Nov 25 07:34:56 dc smbd[1297]:    #16 smbd [0x72d876]
Nov 25 07:34:56 dc smbd[1297]:    #17 smbd(_tevent_loop_once+0x9d) 
[0x72ddbd]
Nov 25 07:34:56 dc smbd[1297]:    #18 smbd(main+0x1277) [0xaae085]
Nov 25 07:34:56 dc smbd[1297]:    #19 /lib/libc.so.6(__libc_start_main+0xdc) 
[0xff5dec]
Nov 25 07:34:56 dc smbd[1297]:    #20 smbd [0x450fa1]
Nov 25 07:34:56 dc smbd[1297]: [2011/11/25 07:34:56.892103,  0] 
lib/fault.c:326(dump_core)
Nov 25 07:34:56 dc smbd[1297]:   dumping core in /var/log/samba/cores/smbd
Nov 25 07:34:56 dc smbd[1297]:


Can someone give me a hint what could have happened?
We are using Samba version:
samba3-client-3.5.12-44.el5
samba3-3.5.12-44.el5
samba3-utils-3.5.12-44.el5

Any hint would be appreciated

greetings
mathew



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