Hi all,

Misc Info:

PDC:
Ubuntu 12.10 (Quantal)
Samba 3.6.6

File server:
Ubuntu 10.04.4 LTS
Sama 3.4.7

Winbindd on the file server panics every few days. It seems to
correspond to times when the PDC is restarted.

Nothing outstanding appears in the file server client log on the PDC.

Here is a few lines of the log from the file server winbindd log:

[2012/08/06 13:00:01,  1] winbindd/winbindd_util.c:303(trustdom_recv)
  Could not receive trustdoms
[2012/08/06 13:00:01,  0] lib/fault.c:46(fault_report)
  ===============================================================
[2012/08/06 13:00:01,  0] lib/fault.c:47(fault_report)
  INTERNAL ERROR: Signal 11 in pid 25796 (3.4.7)
  Please read the Trouble-Shooting section of the Samba3-HOWTO
[2012/08/06 13:00:01,  0] lib/fault.c:49(fault_report)

  From: http://www.samba.org/samba/docs/Samba3-HOWTO.pdf
[2012/08/06 13:00:01,  0] lib/fault.c:50(fault_report)
  ===============================================================
[2012/08/06 13:00:01,  0] lib/util.c:1480(smb_panic)
  PANIC (pid 25796): internal error
[2012/08/06 13:00:01,  0] lib/util.c:1584(log_stack_trace)
  BACKTRACE: 10 stack frames:
   #0 /usr/sbin/winbindd(log_stack_trace+0x2d) [0x3a1c4d]
   #1 /usr/sbin/winbindd(smb_panic+0x2d) [0x3a1d6d]
   #2 /usr/sbin/winbindd(+0x12f2ae) [0x38f2ae]
   #3 [0xd0b400]
   #4 /usr/sbin/winbindd(winbindd_getpwent+0x3b2) [0x2d71a2]
   #5 /usr/sbin/winbindd(+0x73d82) [0x2d3d82]
   #6 /usr/sbin/winbindd(+0x74a48) [0x2d4a48]
   #7 /usr/sbin/winbindd(main+0x1000) [0x2d5fd0]
   #8 /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe6) [0x86cbd6]
   #9 /usr/sbin/winbindd(+0x73151) [0x2d3151]
[2012/08/06 13:00:01,  0] lib/util.c:1485(smb_panic)
  smb_panic(): calling panic action [/usr/share/samba/panic-action 25796]
Cannot access memory at address 0x89fffa3e
//25796: No such file or directory.
No stack.
[2012/08/06 13:01:20,  0] winbindd/winbindd.c:1258(main)
  winbindd version 3.4.7 started.


Any thoughts on what direction to walk it to troubleshoot this?

Kind Regards,
Chris
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