3.0.25rc3 coredump on AIX 5.3

[Yannick Bergeron]

I'm having a coredump at a drive reconnection. I can reproduce it anytime and
it's not happening on AIX 5.2

aix version: 5300-05-05
compiler: IBM XL C/C++ 8.0.0.13

part of the samba log file in log level 10

[2007/05/08 11:22:05, 3] smbd/sec_ctx.c:pop_sec_ctx(356)
  pop_sec_ctx (0, 0) - sec_ctx_stack_ndx = 0
[2007/05/08 11:22:05, 3] smbd/sec_ctx.c:push_sec_ctx(208)
  push_sec_ctx(0, 0) : sec_ctx_stack_ndx = 1
[2007/05/08 11:22:05, 3] smbd/uid.c:push_conn_ctx(350)
  push_conn_ctx(0) : conn_ctx_stack_ndx = 0
[2007/05/08 11:22:05, 3] smbd/sec_ctx.c:set_sec_ctx(241)
  setting sec ctx (0, 0) - sec_ctx_stack_ndx = 1
[2007/05/08 11:22:05, 5] auth/auth_util.c:debug_nt_user_token(448)
  NT user token: (NULL)
[2007/05/08 11:22:05, 5] auth/auth_util.c:debug_unix_user_token(474)
  UNIX token of user 0
  Primary group is 0 and contains 0 supplementary groups
[2007/05/08 11:22:05, 3] smbd/sec_ctx.c:pop_sec_ctx(356)
  pop_sec_ctx (0, 0) - sec_ctx_stack_ndx = 0
[2007/05/08 11:22:05, 10] passdb/lookup_sid.c:lookup_name(64)
  lookup_name: Unix User\sys => Unix User (domain), sys (name)
Assertion failed: rec_byname == rec, file  file_colon.c, line 1736
[2007/05/08 11:22:05, 0] lib/fault.c:fault_report(41)
  ===============================================================
[2007/05/08 11:22:05, 0] lib/fault.c:fault_report(42)
  INTERNAL ERROR: Signal 6 in pid 25416 (3.0.25rc3)
  Please read the Trouble-Shooting section of the Samba3-HOWTO
[2007/05/08 11:22:05, 0] lib/fault.c:fault_report(44)

  From: http://www.samba.org/samba/docs/Samba3-HOWTO.pdf
[2007/05/08 11:22:05, 0] lib/fault.c:fault_report(45)
  ===============================================================
[2007/05/08 11:22:05, 0] lib/util.c:smb_panic(1620)
  PANIC (pid 25416): internal error
[2007/05/08 11:22:05, 0] lib/util.c:log_stack_trace(1774)
  unable to produce a stack trace on this platform
[2007/05/08 11:22:05, 0] lib/util.c:smb_panic(1625)
  smb_panic(): calling panic action ["our panic action"]
[2007/05/08 11:22:06, 0] lib/util.c:smb_panic(1633)
  smb_panic(): action returned status 255
[2007/05/08 11:22:06, 0] lib/fault.c:dump_core(181)
  dumping core in /usr/local/samba/var/cores/smbd