several wired errors with samba4

[Matthieu Patou]

[Tue Mar  3 13:46:53 2009 MSK, 0 ../lib/util/fault.c:62:call_backtrace()]
BACKTRACE: 54 stack frames:
  #0 /usr/local/samba/sbin/samba(call_backtrace+0x2b) [0x898806b]
  #1 /usr/local/samba/sbin/samba [0x87aca58]
  #2 /usr/local/samba/sbin/samba [0x87accf9]
  #3 /usr/local/samba/sbin/samba(krb5_kt_start_seq_get+0x67) [0x87ab7c1]
  #4 /usr/local/samba/sbin/samba(krb5_kt_get_entry+0x74) [0x87ab35a]
  #5 /usr/local/samba/sbin/samba [0x87c0281]
  #6 /usr/local/samba/sbin/samba(krb5_rd_req_ctx+0x1d7) [0x87c04b3]
  #7 /usr/local/samba/sbin/samba [0x8647251]
  #8 /usr/local/samba/sbin/samba(_gsskrb5_accept_sec_context+0x138) 
[0x8647c84]
  #9 /usr/local/samba/sbin/samba(gss_accept_sec_context+0x209) [0x864cd91]
  #10 /usr/local/samba/sbin/samba [0x86303b3]
  #11 /usr/local/samba/sbin/samba(gensec_update+0x3e) [0x8627ac5]
  #12 /usr/local/samba/sbin/samba [0x8654d4d]
  #13 /usr/local/samba/sbin/samba [0x8655f2b]
  #14 /usr/local/samba/sbin/samba(gensec_update+0x3e) [0x8627ac5]
  #15 /usr/local/samba/sbin/samba [0x845ae9d]
  #16 /usr/local/samba/sbin/samba(ldapsrv_BindRequest+0x69) [0x845b31b]
  #17 /usr/local/samba/sbin/samba(ldapsrv_do_call+0x14b) [0x845a58b]
  #18 /usr/local/samba/sbin/samba [0x84564e5]
  #19 /usr/local/samba/sbin/samba [0x8456800]
  #20 /usr/local/samba/sbin/samba(packet_recv+0x65b) [0x86902db]
  #21 /usr/local/samba/sbin/samba(ldapsrv_recv+0x87) [0x84568e5]
  #22 /usr/local/samba/sbin/samba [0x85b02bd]
  #23 /usr/local/samba/sbin/samba [0x85b0338]
  #24 /usr/local/samba/sbin/samba [0x889469a]
  #25 /usr/local/samba/sbin/samba [0x8894e16]
  #26 /usr/local/samba/sbin/samba(event_loop_once+0x16) [0x88914e1]
  #27 /usr/local/samba/sbin/samba(composite_wait+0x40) [0x8890bc1]
  #28 /usr/local/samba/sbin/samba(wbc_xids_to_sids_recv+0x24) [0x84c8fdd]
  #29 /usr/local/samba/sbin/samba [0x84c56bb]
  #30 /usr/local/samba/sbin/samba(pvfs_acl_query+0xf0) [0x84c5ffa]
  #31 /usr/local/samba/sbin/samba [0x84b7f16]
  #32 /usr/local/samba/sbin/samba(pvfs_qfileinfo+0xf7) [0x84b8305]
  #33 /usr/local/samba/sbin/samba(ntvfs_next_qfileinfo+0x5e) [0x84aa794]
  #34 /usr/local/samba/sbin/samba [0x84ecaaf]
  #35 /usr/local/samba/sbin/samba(ntvfs_qfileinfo+0x55) [0x84a99a2]
  #36 /usr/local/samba/sbin/samba [0x8441bb5]
  #37 /usr/local/samba/sbin/samba [0x84424e3]
  #38 /usr/local/samba/sbin/samba [0x8442c5f]
  #39 /usr/local/samba/sbin/samba(smbsrv_reply_nttrans+0x29c) [0x8442fa1]
  #40 /usr/local/samba/sbin/samba [0x843f50d]
  #41 /usr/local/samba/sbin/samba(smbsrv_recv_smb_request+0x594) [0x843f027]
  #42 /usr/local/samba/sbin/samba(packet_recv+0x65b) [0x86902db]
  #43 /usr/local/samba/sbin/samba [0x842e8eb]
  #44 /usr/local/samba/sbin/samba [0x85b02bd]
  #45 /usr/local/samba/sbin/samba [0x85b0338]
  #46 /usr/local/samba/sbin/samba [0x889469a]
  #47 /usr/local/samba/sbin/samba [0x8894e16]
  #48 /usr/local/samba/sbin/samba [0x8894e84]
  #49 /usr/local/samba/sbin/samba(event_loop_wait+0x16) [0x88914f9]
  #50 /usr/local/samba/sbin/samba [0x80dcddf]
  #51 /usr/local/samba/sbin/samba(main+0x38) [0x80dce3a]
  #52 /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xc8) [0xb7c4cea8]
  #53 /usr/local/samba/sbin/samba [0x80dbff1]
[Tue Mar  3 13:46:53 2009 MSK, 1 
auth/gensec/gensec_gssapi.c:557:gensec_gssapi_update()]
GSS Update(krb5)(1) Update failed:  Miscellaneous failure (see text): 
keytab /usr/local/samba/private/secrets.keytab open failed: Permission 
denied 0 10089
[Tue Mar  3 13:46:53 2009 MSK, 1 
auth/gensec/spnego.c:529:gensec_spnego_parse_negTokenInit()]
SPNEGO(gssapi_krb5) NEG_TOKEN_INIT failed: NT_STATUS_LOGON_FAILURE

The trace for the keytab error.