winbind panic on RedHat es3 samba 3.14a

[hagai yaffe]

Hello, 

I am using samba 3.14a on RedHat es3. 

About every day the winbind panics, i think that it is related to the
kerberos ticket expiration. 
this is the winbind log: 

  ads_try_connect: trying ldap server '11.9.13.235' port 389 
[2007/06/13 06:59:26.581501, 3, pid=18850] libads/ldap.c:ads_connect(285) 
  Connected to LDAP server 11.9.13.235 
[2007/06/13 06:59:26.582007, 3, pid=18850]
libads/ldap.c:ads_server_info(2469) 
  got ldap server name corpdcdns5 at CORP.COMP.COM, using bind path:
dc=CORP,dc=COMP,dc=COM 
[2007/06/13 06:59:26.582051, 4, pid=18850]
libads/ldap.c:ads_server_info(2475) 
  time offset is 593 seconds 
[2007/06/13 06:59:26.582353, 4, pid=18850] libads/sasl.c:ads_sasl_bind(447) 
  Found SASL mechanism GSS-SPNEGO 
[2007/06/13 06:59:26.582744, 3, pid=18850]
libads/sasl.c:ads_sasl_spnego_bind(204) 
  ads_sasl_spnego_bind: got OID=1 2 840 48018 1 2 2 
[2007/06/13 06:59:26.582774, 3, pid=18850]
libads/sasl.c:ads_sasl_spnego_bind(204) 
  ads_sasl_spnego_bind: got OID=1 2 840 113554 1 2 2 
[2007/06/13 06:59:26.582802, 3, pid=18850]
libads/sasl.c:ads_sasl_spnego_bind(204) 
  ads_sasl_spnego_bind: got OID=1 2 840 113554 1 2 2 3 
[2007/06/13 06:59:26.582828, 3, pid=18850]
libads/sasl.c:ads_sasl_spnego_bind(204) 
  ads_sasl_spnego_bind: got OID=1 3 6 1 4 1 311 2 2 10 
[2007/06/13 06:59:26.582856, 3, pid=18850]
libads/sasl.c:ads_sasl_spnego_bind(211) 
  ads_sasl_spnego_bind: got server principal name =corpdcdns5$@CORP.COMP.COM 
[2007/06/13 06:59:26.583036, 3, pid=18850]
libsmb/clikrb5.c:ads_cleanup_expired_creds(318) 
  Ticket in ccache[MEMORY:winbind_ccache] expiration Wed, 13 Jun 2007
06:58:18 GMT 
[2007/06/13 06:59:26.583106, 0, pid=18850] lib/fault.c:fault_report(36) 
  =============================================================== 
[2007/06/13 06:59:26.583163, 0, pid=18850] lib/fault.c:fault_report(37) 
  INTERNAL ERROR: Signal 6 in pid 18850 (3.0.14a) 
  Please read the appendix Bugs of the Samba HOWTO collection 
[2007/06/13 06:59:26.583202, 0, pid=18850] lib/fault.c:fault_report(39) 
  =============================================================== 
[2007/06/13 06:59:26.583232, 0, pid=18850] lib/util.c:smb_panic2(1495) 
  PANIC: internal error 
[2007/06/13 06:59:26.583679, 0, pid=18850] lib/util.c:smb_panic2(1503) 
  BACKTRACE: 27 stack frames: 
   #0 winbindd(smb_panic2+0x18c) [0x80c074f] 
   #1 winbindd(smb_panic+0x10) [0x80c05c1] 
   #2 winbindd [0x80b0572] 
   #3 winbindd [0x80b05c7] 
   #4 /lib/tls/libc.so.6 [0x138eb8] 
   #5 /lib/tls/libc.so.6(abort+0x1d5) [0x13a4e5] 
   #6 winbindd [0x80dddf7] 
   #7 winbindd [0x80de145] 
   #8 winbindd(cli_krb5_get_ticket+0x1c6) [0x80de456] 
   #9 winbindd(spnego_gen_negTokenTarg+0x2f) [0x80def66] 
   #10 winbindd [0x814d663] 
   #11 winbindd [0x814d902] 
   #12 winbindd(ads_sasl_bind+0xfe) [0x814dec6] 
   #13 winbindd(ads_connect+0x218) [0x8148bda] 
   #14 winbindd [0x808222d] 
   #15 winbindd [0x80840da] 
   #16 winbindd [0x807758b] 
   #17 winbindd [0x807776a] 
   #18 winbindd [0x8078952] 
   #19 winbindd(winbindd_lookup_sid_by_name+0x46) [0x80756a8] 
   #20 winbindd(winbindd_getpwnam+0x236) [0x80708ab] 
   #21 winbindd(strftime+0x1320) [0x806f314] 
   #22 winbindd(winbind_process_packet+0x1d) [0x806f5d0] 
   #23 winbindd(strftime+0x19c2) [0x806f9b6] 
   #24 winbindd(main+0x4df) [0x80703cf] 
   #25 /lib/tls/libc.so.6(__libc_start_main+0xda) [0x12678a] 
   #26 winbindd(chroot+0x31) [0x806ece5] 
[2007/06/13 06:59:26.585660, 10, pid=18851]
nsswitch/winbindd.c:winbind_client_read(470) 
  client_read: read 0 bytes. Need 1824 more for a full request. 
[2007/06/13 06:59:26.585731, 5, pid=18851]
nsswitch/winbindd.c:winbind_client_read(477) 
  read failed on sock 9, pid 23236: EOF 


After winbind restart it works ok for about 24 hours and then panics again
(when the kerberos ticket expires). I have seen similiar posts on the net
but with no asnwers. 


Any ideas? Need more info? 
cheers, 
Hagai. 
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