[Samba] Winbind panic - bug #5551 not completely solved in version 3.0.31?

Jens Nissen jens.nissen at gmx.net
Tue Jul 22 14:10:15 GMT 2008


I started my AD-member server with the DC not being present.
Afterwards, I executed the "good practice" sequence from the howtos for 
testing a installation:

"testparm ..."
"nmblookup -d ..."
"nmblookup -M ..."
"nmblookup __SAMBA__ ..."
"smbclient -L ..."

And some domain tests:

"net ads testjoin"
"net ads lookup"
"wbinfo -D"
"getent passwd"
"getent group"
"wbinfo -t"

What was strange: wbinfo -D returned "Active Directory: No"

I then started my DC and tried to connect to a share.
That was the point where I noticed, that winbind had a panic!

Due to issue #5625 I had set my debug level to 0, so a have only limited 
information from the logs.
Below are the complete logs.
It looks, like winbind is still trying to connect to 0.0.0.0, that's why 
I think, that #5551 is not completely resolved.

I have a core-dump (arm9-cpu), would this help?
After restarting the daemons (with the DC being online), no further 
problems appeared.

-------------------------------------------------------------------------
smblog.ad
-------------------------------------------------------------------------
[2008/07/22 14:16:30, 0] printing/nt_printing.c:nt_printing_init(659)
   nt_printing_init: error checking published printers: WERR_ACCESS_DENIED
[2008/07/22 14:20:49, 0] nsswitch/winbindd_group.c:winbindd_getgrent(1110)
   could not lookup domain group DOMAIN\domänencomputer
[2008/07/22 14:20:49, 0] nsswitch/winbindd_group.c:winbindd_getgrent(1110)
   could not lookup domain group DOMAIN\domänencontroller
[2008/07/22 14:20:49, 0] nsswitch/winbindd_group.c:winbindd_getgrent(1110)
   could not lookup domain group DOMAIN\schema-admins
[2008/07/22 14:20:49, 0] nsswitch/winbindd_group.c:winbindd_getgrent(1110)
   could not lookup domain group DOMAIN\organisations-admins
[2008/07/22 14:20:49, 0] nsswitch/winbindd_group.c:winbindd_getgrent(1110)
   could not lookup domain group DOMAIN\zertifikatherausgeber
[2008/07/22 14:20:49, 0] nsswitch/winbindd_group.c:winbindd_getgrent(1110)
   could not lookup domain group DOMAIN\domänen-admins
[2008/07/22 14:20:49, 0] nsswitch/winbindd_group.c:winbindd_getgrent(1110)
   could not lookup domain group DOMAIN\domänen-gäste
[2008/07/22 14:20:49, 0] nsswitch/winbindd_group.c:winbindd_getgrent(1110)
   could not lookup domain group DOMAIN\richtlinien-ersteller-besitzer
[2008/07/22 14:20:49, 0] nsswitch/winbindd_group.c:winbindd_getgrent(1110)
   could not lookup domain group DOMAIN\dnsupdateproxy
[2008/07/22 14:20:49, 0] nsswitch/winbindd_group.c:winbindd_getgrent(1110)
   could not lookup domain group DOMAIN\backoffice template users
[2008/07/22 14:20:49, 0] nsswitch/winbindd_group.c:winbindd_getgrent(1110)
   could not lookup domain group DOMAIN\backoffice folder operators
[2008/07/22 14:20:49, 0] nsswitch/winbindd_group.c:winbindd_getgrent(1110)
   could not lookup domain group DOMAIN\backoffice mail operators
[2008/07/22 14:20:49, 0] nsswitch/winbindd_group.c:winbindd_getgrent(1110)
   could not lookup domain group DOMAIN\backoffice remote operators
[2008/07/22 14:20:49, 0] nsswitch/winbindd_group.c:winbindd_getgrent(1110)
   could not lookup domain group DOMAIN\nasdriveuser
[2008/07/22 14:22:01, 0] lib/fault.c:fault_report(41)
   ===============================================================
[2008/07/22 14:22:01, 0] lib/fault.c:fault_report(42)
   INTERNAL ERROR: Signal 6 in pid 17485 (3.0.31)
   Please read the Trouble-Shooting section of the Samba3-HOWTO
[2008/07/22 14:22:01, 0] lib/fault.c:fault_report(44)

   From: http://www.samba.org/samba/docs/Samba3-HOWTO.pdf
[2008/07/22 14:22:01, 0] lib/fault.c:fault_report(45)
   ===============================================================
[2008/07/22 14:22:01, 0] lib/util.c:smb_panic(1633)
   PANIC (pid 17485): internal error
[2008/07/22 14:22:01, 0] lib/util.c:log_stack_trace(1737)
   BACKTRACE: 1 stack frames:
    #0 /boot/usr/local/adsamba/bin/winbindd(log_stack_trace+0x20) [0xce48c]
[2008/07/22 14:22:01, 0] lib/fault.c:dump_core(181)
   dumping core in /var/log/adsamba/cores/winbindd
[2008/07/22 14:22:42, 0] lib/util_sock.c:get_peer_addr(1224)
   getpeername failed. Error was Transport endpoint is not connected
[2008/07/22 14:22:42, 0] lib/util_sock.c:get_peer_addr(1224)
   getpeername failed. Error was Transport endpoint is not connected
[2008/07/22 14:22:42, 0] lib/util_sock.c:read_data(534)
   read_data: read failure for 4 bytes to client 0.0.0.0. Error = 
Connection reset by peer

-------------------------------------------------------------------------
wb-BUILTIN.log
-------------------------------------------------------------------------
[2008/07/22 14:21:54, 0] 
nsswitch/winbindd_dual.c:async_request_timeout_handler(181)
   async_request_timeout_handler: child pid 17541 is not responding. 
Closing connection to it.

-------------------------------------------------------------------------
winbind-idmap.log
-------------------------------------------------------------------------
[2008/07/22 14:21:17, 0] 
nsswitch/winbindd_dual.c:async_request_timeout_handler(181)
   async_request_timeout_handler: child pid 17497 is not responding. 
Closing connection to it.

-------------------------------------------------------------------------
Configuration:
-------------------------------------------------------------------------
[global]
         dos charset = ISO-8859-1
         unix charset = ISO-8859-1
         display charset = ISO-8859-1
         workgroup = DOMAIN
         realm = DOMAIN.TEST
         server string = adserver
         interfaces = ixp0
         security = ADS
         allow trusted domains = No
         password server = sbs2000.domain.test
         private dir = /var/lib/adsamba/private
         passdb backend = tdbsam
         guest account = samba
         log file = /var/log/adsamba/smblog.ad
         max log size = 0
         name resolve order = wins bcast host
         socket options = TCP_NODELAY IPTOS_LOWDELAY SO_KEEPALIVE 
SO_RCVBUF=8192 SO_SNDBUF=8192
         load printers = No
         show add printer wizard = No
         preferred master = No
         local master = No
         domain master = No
         wins server = 192.168.1.4
         idmap uid = 1000-60000
         idmap gid = 1000-60000
         winbind enum users = Yes
         winbind enum groups = Yes
         winbind offline logon = Yes
         admin users = DOMAIN\\Administrator
         ea support = Yes


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