[Samba] INTERNAL ERROR: Signal 11

[sharif islam]

I was upgrading from from 3.0.20b to 3.0.23c. I am running redhat AS 3
server with krb5-1.3.5 libraries.

I am getting the following error in log.machinename:
(the users get see the shares, but gets the password prompt when try
going go the share)

[2006/10/22 19:32:11, 1] smbd/sesssetup.c:reply_spnego_kerberos(202)
  Failed to verify incoming ticket!
[2006/10/22 19:32:16, 1] smbd/sesssetup.c:reply_spnego_kerberos(202)
  Failed to verify incoming ticket!
[2006/10/22 19:32:18, 1] smbd/sesssetup.c:reply_spnego_kerberos(202)
  Failed to verify incoming ticket!
[2006/10/22 19:44:00, 0] lib/fault.c:fault_report(41)
  ===============================================================
[2006/10/22 19:44:00, 0] lib/fault.c:fault_report(42)
  INTERNAL ERROR: Signal 11 in pid 3541 (3.0.23c)
  Please read the Trouble-Shooting section of the Samba3-HOWTO
[2006/10/22 19:44:00, 0] lib/fault.c:fault_report(44)

  From: http://www.samba.org/samba/docs/Samba3-HOWTO.pdf
[2006/10/22 19:44:00, 0] lib/fault.c:fault_report(45)
  ===============================================================
[2006/10/22 19:44:00, 0] lib/util.c:smb_panic(1592)
  PANIC (pid 3541): internal error
[2006/10/22 19:44:00, 0] lib/util.c:log_stack_trace(1699)
  BACKTRACE: 14 stack frames:
   #0 /usr/local/samba/sbin/smbd(log_stack_trace+0x26) [0xc36b97]
   #1 /usr/local/samba/sbin/smbd(smb_panic+0x76) [0xc36a2b]
   #2 /usr/local/samba/sbin/smbd [0xc24e68]
   #3 /usr/local/samba/sbin/smbd [0xc24e76]
   #4 /lib/tls/libc.so.6 [0x2cd0d8]
   #5 /lib/tls/libc.so.6(exit+0x63) [0x2cf8f3]
   #6 /usr/local/samba/sbin/smbd(exit_server+0) [0xcc440d]
   #7 /usr/local/samba/sbin/smbd(exit_server_fault+0) [0xcc442d]
   #8 /usr/local/samba/sbin/smbd [0xb0ff40]
   #9 /usr/local/samba/sbin/smbd [0xb1044d]
   #10 /usr/local/samba/sbin/smbd(smbd_process+0x111) [0xb11d1f]
   #11 /usr/local/samba/sbin/smbd(main+0x8c5) [0xcc4d57]
   #12 /lib/tls/libc.so.6(__libc_start_main+0xda) [0x2ba79a]
   #13 /usr/local/samba/sbin/smbd [0xaaf06e]
[2006/10/22 19:44:00, 0] lib/fault.c:dump_core(173)
  dumping core in /usr/local/samba/var/cores/smbd

and in log.winbindd
at least 20 of these
[2006/10/22 19:44:00, 0] nsswitch/winbindd.c:request_len_recv(517)
[2006/10/22 19:44:03, 0] nsswitch/winbindd.c:request_len_recv(517)
[2006/10/22 19:44:03, 0] nsswitch/winbindd.c:request_len_recv(517)