several wired errors with samba4

[Matthieu Patou]

On 02/26/2009 04:14 PM, Matthieu Patou wrote:
> Hello andrew,
>
> I added yesterday the trace and today I got several traces (today I 
> had severals errors because a user has been using a bit more than 
> usual the server) (but it's still underloaded).
>
>
>> If you add a call to call_backtrace() in the case where we get this
>> error (where you print the uid at the moment), then we can see what the
>> call stack is, and try to debug this further.
I had this new one (about names.tdb) which looks a bit different:
pvfs_oplock_break: sending oplock break level 1 for 
'\scripts\reportevtlog.vbs' 0xa4dc3f0
[Thu Feb 26 12:30:02 2009 MSK, 2 
smbd/process_single.c:100:single_terminate()]
single_terminate: reason[NT_STATUS_END_OF_FILE]
[Thu Feb 26 12:30:02 2009 MSK, 0 ../lib/util/fault.c:62:call_backtrace()]
BACKTRACE: 49 stack frames:
  #0 /usr/local/samba/sbin/samba(call_backtrace+0x2b) [0x898806b]
  #1 /usr/local/samba/sbin/samba(tdb_open_ex+0x299) [0x89a397d]
  #2 /usr/local/samba/sbin/samba(tdb_wrap_open+0xea) [0x897d86d]
  #3 /usr/local/samba/sbin/samba [0x8889fde]
  #4 /usr/local/samba/sbin/samba(irpc_servers_byname+0x1e) [0x888a206]
  #5 /usr/local/samba/sbin/samba [0x84c88ba]
  #6 /usr/local/samba/sbin/samba(wbc_init+0x64) [0x84c89b7]
  #7 /usr/local/samba/sbin/samba [0x84ec658]
  #8 /usr/local/samba/sbin/samba(ntvfs_connect+0x55) [0x84a90a5]
  #9 /usr/local/samba/sbin/samba [0x84509a1]
  #10 /usr/local/samba/sbin/samba [0x8450d2f]
  #11 /usr/local/samba/sbin/samba(smbsrv_tcon_backend+0xff) [0x8450e46]
  #12 /usr/local/samba/sbin/samba(smbsrv_reply_tcon_and_X+0x1dc) [0x8443794]
  #13 /usr/local/samba/sbin/samba [0x843f50d]
  #14 /usr/local/samba/sbin/samba(smbsrv_recv_smb_request+0x594) [0x843f027]
  #15 /usr/local/samba/sbin/samba(packet_recv+0x65b) [0x86902db]
  #16 /usr/local/samba/sbin/samba [0x842e8eb]
  #17 /usr/local/samba/sbin/samba [0x85b02bd]
  #18 /usr/local/samba/sbin/samba [0x85b0338]
  #19 /usr/local/samba/sbin/samba [0x889469a]
  #20 /usr/local/samba/sbin/samba [0x8894e16]
  #21 /usr/local/samba/sbin/samba(event_loop_once+0x16) [0x88914e1]
  #22 /usr/local/samba/sbin/samba(composite_wait+0x40) [0x8890bc1]
  #23 /usr/local/samba/sbin/samba(wbc_xids_to_sids_recv+0x24) [0x84c8fdd]
  #24 /usr/local/samba/sbin/samba [0x84c56bb]
  #25 /usr/local/samba/sbin/samba(pvfs_acl_query+0xf0) [0x84c5ffa]
  #26 /usr/local/samba/sbin/samba [0x84b7f16]
  #27 /usr/local/samba/sbin/samba(pvfs_qfileinfo+0xf7) [0x84b8305]
  #28 /usr/local/samba/sbin/samba(ntvfs_next_qfileinfo+0x5e) [0x84aa794]
  #29 /usr/local/samba/sbin/samba [0x84ecaaf]
  #30 /usr/local/samba/sbin/samba(ntvfs_qfileinfo+0x55) [0x84a99a2]
  #31 /usr/local/samba/sbin/samba [0x8441bb5]
  #32 /usr/local/samba/sbin/samba [0x84424e3]
  #33 /usr/local/samba/sbin/samba [0x8442c5f]
  #34 /usr/local/samba/sbin/samba(smbsrv_reply_nttrans+0x29c) [0x8442fa1]
  #35 /usr/local/samba/sbin/samba [0x843f50d]
  #36 /usr/local/samba/sbin/samba(smbsrv_recv_smb_request+0x594) [0x843f027]
  #37 /usr/local/samba/sbin/samba(packet_recv+0x65b) [0x86902db]
  #38 /usr/local/samba/sbin/samba [0x842e8eb]
  #39 /usr/local/samba/sbin/samba [0x85b02bd]
  #40 /usr/local/samba/sbin/samba [0x85b0338]
  #41 /usr/local/samba/sbin/samba [0x889469a]
  #42 /usr/local/samba/sbin/samba [0x8894e16]
  #43 /usr/local/samba/sbin/samba [0x8894e84]
  #44 /usr/local/samba/sbin/samba(event_loop_wait+0x16) [0x88914f9]
  #45 /usr/local/samba/sbin/samba [0x80dcddf]
  #46 /usr/local/samba/sbin/samba(main+0x38) [0x80dce3a]
  #47 /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xc8) [0xb7b98ea8]
  #48 /usr/local/samba/sbin/samba [0x80dbff1]
[Thu Feb 26 12:30:02 2009 MSK, 2 lib/tdb_wrap.c:74:tdb_wrap_log()]
tdb(unnamed): tdb_open_ex: could not open file 
/usr/local/samba/private/smbd.tmp/messaging/names.tdb: Permission denied 
66 432 10041


Cheers.
Matthieu.