several wired errors with samba4

Matthieu Patou mat+Informatique.Samba at matws.net
Thu Feb 26 06:14:35 MST 2009 

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.
>    
pvfs_oplock_break: sending oplock break level 1 for 
'\scripts\helpers.vbs' 0xa820280
[Thu Feb 26 15:22:00 2009 MSK, 0 ../lib/util/fault.c:62:call_backtrace()]
BACKTRACE: 35 stack frames:
  #0 /usr/local/samba/sbin/samba(call_backtrace+0x2b) [0x898806b]
  #1 /usr/local/samba/sbin/samba(messaging_init+0x275) [0x8889206]
  #2 /usr/local/samba/sbin/samba [0x85b06f9]
  #3 /usr/local/samba/sbin/samba [0x897dda5]
  #4 /usr/local/samba/sbin/samba [0x85b08ba]
  #5 /usr/local/samba/sbin/samba [0x889469a]
  #6 /usr/local/samba/sbin/samba [0x8894e16]
  #7 /usr/local/samba/sbin/samba(event_loop_once+0x16) [0x88914e1]
  #8 /usr/local/samba/sbin/samba(composite_wait+0x40) [0x8890bc1]
  #9 /usr/local/samba/sbin/samba(wbc_xids_to_sids_recv+0x24) [0x84c8fdd]
  #10 /usr/local/samba/sbin/samba [0x84c56bb]
  #11 /usr/local/samba/sbin/samba(pvfs_acl_query+0xf0) [0x84c5ffa]
  #12 /usr/local/samba/sbin/samba [0x84b7f16]
  #13 /usr/local/samba/sbin/samba(pvfs_qfileinfo+0xf7) [0x84b8305]
  #14 /usr/local/samba/sbin/samba(ntvfs_next_qfileinfo+0x5e) [0x84aa794]
  #15 /usr/local/samba/sbin/samba [0x84ecaaf]
  #16 /usr/local/samba/sbin/samba(ntvfs_qfileinfo+0x55) [0x84a99a2]
  #17 /usr/local/samba/sbin/samba [0x8441bb5]
  #18 /usr/local/samba/sbin/samba [0x84424e3]
  #19 /usr/local/samba/sbin/samba [0x8442c5f]
  #20 /usr/local/samba/sbin/samba(smbsrv_reply_nttrans+0x29c) [0x8442fa1]
  #21 /usr/local/samba/sbin/samba [0x843f50d]
  #22 /usr/local/samba/sbin/samba(smbsrv_recv_smb_request+0x594) [0x843f027]
  #23 /usr/local/samba/sbin/samba(packet_recv+0x65b) [0x86902db]
  #24 /usr/local/samba/sbin/samba [0x842e8eb]
  #25 /usr/local/samba/sbin/samba [0x85b02bd]
  #26 /usr/local/samba/sbin/samba [0x85b0338]
  #27 /usr/local/samba/sbin/samba [0x889469a]
  #28 /usr/local/samba/sbin/samba [0x8894e16]
  #29 /usr/local/samba/sbin/samba [0x8894e84]
  #30 /usr/local/samba/sbin/samba(event_loop_wait+0x16) [0x88914f9]
  #31 /usr/local/samba/sbin/samba [0x80dcddf]
  #32 /usr/local/samba/sbin/samba(main+0x38) [0x80dce3a]
  #33 /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xc8) [0xb7b98ea8]
  #34 /usr/local/samba/sbin/samba [0x80dbff1]
[Thu Feb 26 15:22:00 2009 MSK, 0 
lib/messaging/messaging.c:592:messaging_init()]
Unable to setup messaging listener for 
'/usr/local/samba/private/smbd.tmp/messaging/msg.0.0.102':NT_STATUS_ACCESS_DENIED 
10065
[Thu Feb 26 15:22:00 2009 MSK, 2 
smbd/process_single.c:100:single_terminate()]
single_terminate: reason[messaging_init() failed]



pvfs_oplock_break: sending oplock break level 1 for 
'\scripts\getupdatelist.vbs' 0xa93d158
[Thu Feb 26 15:30:00 2009 MSK, 0 ../lib/util/fault.c:62:call_backtrace()]
BACKTRACE: 35 stack frames:
  #0 /usr/local/samba/sbin/samba(call_backtrace+0x2b) [0x898806b]
  #1 /usr/local/samba/sbin/samba(messaging_init+0x275) [0x8889206]
  #2 /usr/local/samba/sbin/samba [0x85b06f9]
  #3 /usr/local/samba/sbin/samba [0x897dda5]
  #4 /usr/local/samba/sbin/samba [0x85b08ba]
  #5 /usr/local/samba/sbin/samba [0x889469a]
  #6 /usr/local/samba/sbin/samba [0x8894e16]
  #7 /usr/local/samba/sbin/samba(event_loop_once+0x16) [0x88914e1]
  #8 /usr/local/samba/sbin/samba(composite_wait+0x40) [0x8890bc1]
  #9 /usr/local/samba/sbin/samba(wbc_xids_to_sids_recv+0x24) [0x84c8fdd]
  #10 /usr/local/samba/sbin/samba [0x84c56bb]
  #11 /usr/local/samba/sbin/samba(pvfs_acl_query+0xf0) [0x84c5ffa]
  #12 /usr/local/samba/sbin/samba [0x84b7f16]
  #13 /usr/local/samba/sbin/samba(pvfs_qfileinfo+0xf7) [0x84b8305]
  #14 /usr/local/samba/sbin/samba(ntvfs_next_qfileinfo+0x5e) [0x84aa794]
  #15 /usr/local/samba/sbin/samba [0x84ecaaf]
  #16 /usr/local/samba/sbin/samba(ntvfs_qfileinfo+0x55) [0x84a99a2]
  #17 /usr/local/samba/sbin/samba [0x8441bb5]
  #18 /usr/local/samba/sbin/samba [0x84424e3]
  #19 /usr/local/samba/sbin/samba [0x8442c5f]
  #20 /usr/local/samba/sbin/samba(smbsrv_reply_nttrans+0x29c) [0x8442fa1]
  #21 /usr/local/samba/sbin/samba [0x843f50d]
  #22 /usr/local/samba/sbin/samba(smbsrv_recv_smb_request+0x594) [0x843f027]
  #23 /usr/local/samba/sbin/samba(packet_recv+0x65b) [0x86902db]
  #24 /usr/local/samba/sbin/samba [0x842e8eb]
  #25 /usr/local/samba/sbin/samba [0x85b02bd]
  #26 /usr/local/samba/sbin/samba [0x85b0338]
  #27 /usr/local/samba/sbin/samba [0x889469a]
  #28 /usr/local/samba/sbin/samba [0x8894e16]
  #29 /usr/local/samba/sbin/samba [0x8894e84]
  #30 /usr/local/samba/sbin/samba(event_loop_wait+0x16) [0x88914f9]
  #31 /usr/local/samba/sbin/samba [0x80dcddf]
  #32 /usr/local/samba/sbin/samba(main+0x38) [0x80dce3a]
  #33 /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xc8) [0xb7b98ea8]
  #34 /usr/local/samba/sbin/samba [0x80dbff1]
[Thu Feb 26 15:30:00 2009 MSK, 0 
lib/messaging/messaging.c:592:messaging_init()]
Unable to setup messaging listener for 
'/usr/local/samba/private/smbd.tmp/messaging/msg.0.0.121':NT_STATUS_ACCESS_DENIED 
10041
[Thu Feb 26 15:30:00 2009 MSK, 2 
smbd/process_single.c:100:single_terminate()]
single_terminate: reason[messaging_init() failed]



pvfs_oplock_break: sending oplock break level 1 for 
'\scripts\update_vlc.vbs' 0xa8bfab0
[Thu Feb 26 15:32:03 2009 MSK, 0 ../lib/util/fault.c:62:call_backtrace()]
BACKTRACE: 32 stack frames:
  #0 /usr/local/samba/sbin/samba(call_backtrace+0x2b) [0x898806b]
  #1 /usr/local/samba/sbin/samba(messaging_init+0x275) [0x8889206]
  #2 /usr/local/samba/sbin/samba [0x85b06f9]
  #3 /usr/local/samba/sbin/samba [0x897dda5]
  #4 /usr/local/samba/sbin/samba [0x85b08ba]
  #5 /usr/local/samba/sbin/samba [0x889469a]
  #6 /usr/local/samba/sbin/samba [0x8894e16]
  #7 /usr/local/samba/sbin/samba(event_loop_once+0x16) [0x88914e1]
  #8 /usr/local/samba/sbin/samba(composite_wait+0x40) [0x8890bc1]
  #9 /usr/local/samba/sbin/samba(wbc_xids_to_sids_recv+0x24) [0x84c8fdd]
  #10 /usr/local/samba/sbin/samba(pvfs_acl_inherit+0x36d) [0x84c6c6f]
  #11 /usr/local/samba/sbin/samba [0x84b1007]
  #12 /usr/local/samba/sbin/samba [0x84b2b9e]
  #13 /usr/local/samba/sbin/samba(pvfs_open+0x55c) [0x84b4201]
  #14 /usr/local/samba/sbin/samba(ntvfs_next_open+0x5e) [0x84aa2fa]
  #15 /usr/local/samba/sbin/samba [0x84ecc33]
  #16 /usr/local/samba/sbin/samba(ntvfs_open+0x55) [0x84a93e4]
  #17 /usr/local/samba/sbin/samba(smbsrv_reply_ntcreate_and_X+0x3af) 
[0x844da74]
  #18 /usr/local/samba/sbin/samba [0x843f50d]
  #19 /usr/local/samba/sbin/samba(smbsrv_recv_smb_request+0x594) [0x843f027]
  #20 /usr/local/samba/sbin/samba(packet_recv+0x65b) [0x86902db]
  #21 /usr/local/samba/sbin/samba [0x842e8eb]
  #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 [0x8894e84]
  #27 /usr/local/samba/sbin/samba(event_loop_wait+0x16) [0x88914f9]
  #28 /usr/local/samba/sbin/samba [0x80dcddf]
  #29 /usr/local/samba/sbin/samba(main+0x38) [0x80dce3a]
  #30 /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xc8) [0xb7b98ea8]
  #31 /usr/local/samba/sbin/samba [0x80dbff1]
[Thu Feb 26 15:32:03 2009 MSK, 0 
lib/messaging/messaging.c:592:messaging_init()]
Unable to setup messaging listener for 
'/usr/local/samba/private/smbd.tmp/messaging/msg.0.0.131':NT_STATUS_ACCESS_DENIED 
10058
[Thu Feb 26 15:32:03 2009 MSK, 2 
smbd/process_single.c:100:single_terminate()]
single_terminate: reason[messaging_init() failed]
[Thu Feb 26 15:32:03 2009 MSK, 0 ../lib/util/fault.c:62:call_backtrace()]
BACKTRACE: 32 stack frames:
  #0 /usr/local/samba/sbin/samba(call_backtrace+0x2b) [0x898806b]
  #1 /usr/local/samba/sbin/samba(messaging_init+0x275) [0x8889206]
  #2 /usr/local/samba/sbin/samba [0x85b06f9]
  #3 /usr/local/samba/sbin/samba [0x897dda5]
  #4 /usr/local/samba/sbin/samba [0x85b08ba]
  #5 /usr/local/samba/sbin/samba [0x889469a]
  #6 /usr/local/samba/sbin/samba [0x8894e16]
  #7 /usr/local/samba/sbin/samba(event_loop_once+0x16) [0x88914e1]
  #8 /usr/local/samba/sbin/samba(composite_wait+0x40) [0x8890bc1]
  #9 /usr/local/samba/sbin/samba(wbc_xids_to_sids_recv+0x24) [0x84c8fdd]
  #10 /usr/local/samba/sbin/samba(pvfs_acl_inherit+0x36d) [0x84c6c6f]
  #11 /usr/local/samba/sbin/samba [0x84b1007]
  #12 /usr/local/samba/sbin/samba [0x84b2b9e]
  #13 /usr/local/samba/sbin/samba(pvfs_open+0x55c) [0x84b4201]
  #14 /usr/local/samba/sbin/samba(ntvfs_next_open+0x5e) [0x84aa2fa]
  #15 /usr/local/samba/sbin/samba [0x84ecc33]
  #16 /usr/local/samba/sbin/samba(ntvfs_open+0x55) [0x84a93e4]
  #17 /usr/local/samba/sbin/samba(smbsrv_reply_ntcreate_and_X+0x3af) 
[0x844da74]
  #18 /usr/local/samba/sbin/samba [0x843f50d]
  #19 /usr/local/samba/sbin/samba(smbsrv_recv_smb_request+0x594) [0x843f027]
  #20 /usr/local/samba/sbin/samba(packet_recv+0x65b) [0x86902db]
  #21 /usr/local/samba/sbin/samba [0x842e8eb]
  #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 [0x8894e84]
  #27 /usr/local/samba/sbin/samba(event_loop_wait+0x16) [0x88914f9]
  #28 /usr/local/samba/sbin/samba [0x80dcddf]
  #29 /usr/local/samba/sbin/samba(main+0x38) [0x80dce3a]
  #30 /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xc8) [0xb7b98ea8]
  #31 /usr/local/samba/sbin/samba [0x80dbff1]
[Thu Feb 26 15:32:03 2009 MSK, 0 
lib/messaging/messaging.c:592:messaging_init()]
Unable to setup messaging listener for 
'/usr/local/samba/private/smbd.tmp/messaging/msg.0.0.131':NT_STATUS_ACCESS_DENIED 
10058
[Thu Feb 26 15:32:03 2009 MSK, 2 
smbd/process_single.c:100:single_terminate()]
single_terminate: reason[messaging_init() failed]

(Yes I got two backtraces at the same moment)

[Thu Feb 26 15:50:00 2009 MSK, 2 
libcli/cldap/cldap.c:96:cldap_socket_recv()]
Received cldap packet of length 208 from 192.168.33.14:3747
[Thu Feb 26 15:50:00 2009 MSK, 2 lib/socket/interface.c:96:add_interface()]
added interface ip=192.168.33.254 nmask=0.0.0.0
[Thu Feb 26 15:50:00 2009 MSK, 2 
smbd/process_single.c:100:single_terminate()]
single_terminate: reason[NT_STATUS_END_OF_FILE]
[Thu Feb 26 15:50:00 2009 MSK, 0 ../lib/util/fault.c:62:call_backtrace()]
BACKTRACE: 45 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(ltdb_wrap_open+0x123) [0x87071de]
  #3 /usr/local/samba/sbin/samba [0x870203e]
  #4 /usr/local/samba/sbin/samba(ldb_connect_backend+0x15d) [0x8600fc1]
  #5 /usr/local/samba/sbin/samba(ldb_connect+0xd0) [0x85f92e8]
  #6 /usr/local/samba/sbin/samba(ldb_wrap_connect+0x263) [0x865b779]
  #7 /usr/local/samba/sbin/samba(schannel_db_connect+0xa8) [0x865a6e8]
  #8 /usr/local/samba/sbin/samba(schannel_fetch_session_key+0x2b) 
[0x865b2c1]
  #9 /usr/local/samba/sbin/samba [0x86586ad]
  #10 /usr/local/samba/sbin/samba(gensec_update+0x3e) [0x8627ac5]
  #11 /usr/local/samba/sbin/samba(dcesrv_auth_bind_ack+0x7b) [0x84e4c79]
  #12 /usr/local/samba/sbin/samba [0x84e25e9]
  #13 /usr/local/samba/sbin/samba(dcesrv_input_process+0x4e4) [0x84e3f30]
  #14 /usr/local/samba/sbin/samba(dcesrv_input+0xc2) [0x84e4088]
  #15 /usr/local/samba/sbin/samba [0x80e89b3]
  #16 /usr/local/samba/sbin/samba [0x85b02bd]
  #17 /usr/local/samba/sbin/samba [0x85b0338]
  #18 /usr/local/samba/sbin/samba [0x889469a]
  #19 /usr/local/samba/sbin/samba [0x8894e16]
  #20 /usr/local/samba/sbin/samba(event_loop_once+0x16) [0x88914e1]
  #21 /usr/local/samba/sbin/samba(composite_wait+0x40) [0x8890bc1]
  #22 /usr/local/samba/sbin/samba(wbc_xids_to_sids_recv+0x24) [0x84c8fdd]
  #23 /usr/local/samba/sbin/samba(pvfs_acl_inherit+0x36d) [0x84c6c6f]
  #24 /usr/local/samba/sbin/samba [0x84b1007]
  #25 /usr/local/samba/sbin/samba [0x84b2b9e]
  #26 /usr/local/samba/sbin/samba(pvfs_open+0x55c) [0x84b4201]
  #27 /usr/local/samba/sbin/samba(ntvfs_next_open+0x5e) [0x84aa2fa]
  #28 /usr/local/samba/sbin/samba [0x84ecc33]
  #29 /usr/local/samba/sbin/samba(ntvfs_open+0x55) [0x84a93e4]
  #30 /usr/local/samba/sbin/samba(smbsrv_reply_ntcreate_and_X+0x3af) 
[0x844da74]
  #31 /usr/local/samba/sbin/samba [0x843f50d]
  #32 /usr/local/samba/sbin/samba(smbsrv_recv_smb_request+0x594) [0x843f027]
  #33 /usr/local/samba/sbin/samba(packet_recv+0x65b) [0x86902db]
  #34 /usr/local/samba/sbin/samba [0x842e8eb]
  #35 /usr/local/samba/sbin/samba [0x85b02bd]
  #36 /usr/local/samba/sbin/samba [0x85b0338]
  #37 /usr/local/samba/sbin/samba [0x889469a]
  #38 /usr/local/samba/sbin/samba [0x8894e16]
  #39 /usr/local/samba/sbin/samba [0x8894e84]
  #40 /usr/local/samba/sbin/samba(event_loop_wait+0x16) [0x88914f9]
  #41 /usr/local/samba/sbin/samba [0x80dcddf]
  #42 /usr/local/samba/sbin/samba(main+0x38) [0x80dce3a]
  #43 /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xc8) [0xb7b98ea8]
  #44 /usr/local/samba/sbin/samba [0x80dbff1]
[Thu Feb 26 15:50:00 2009 MSK, 2 lib/ldb_wrap.c:66:ldb_wrap_debug()]
ldb: ltdb: tdb((null)): tdb_open_ex: could not open file 
/usr/local/samba/private/schannel.ldb: Permission denied 66 384 10056

[Thu Feb 26 15:50:00 2009 MSK, 1 lib/ldb_wrap.c:66:ldb_wrap_debug()]
ldb: Unable to open tdb '/usr/local/samba/private/schannel.ldb'

[Thu Feb 26 15:50:00 2009 MSK, 1 lib/ldb_wrap.c:66:ldb_wrap_debug()]
ldb: Failed to connect to '/usr/local/samba/private/schannel.ldb'

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