Bug 6754 - smbd using 15 to 20% CPU: repeated requests from Vista client
Summary: smbd using 15 to 20% CPU: repeated requests from Vista client
Status: RESOLVED WORKSFORME
Alias: None
Product: Samba 3.4
Classification: Unclassified
Component: Printing (show other bugs)
Version: 3.4.6
Hardware: x86 Linux
: P3 normal
Target Milestone: ---
Assignee: Guenther Deschner
QA Contact: Samba QA Contact
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2009-09-23 11:35 UTC by Ross Boylan
Modified: 2018-12-28 00:52 UTC (History)
2 users (show)

See Also:


Attachments
Packet capture (376.65 KB, application/gzip)
2009-09-23 11:37 UTC, Ross Boylan
no flags Details
packet capture: samba 3.4.6 (651.52 KB, application/octet-stream)
2010-03-06 12:11 UTC, Ross Boylan
no flags Details

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Description Ross Boylan 2009-09-23 11:35:24 UTC
My samba server is providing file and print services, the latter using CUPS 1.3.8.

As soon as my Vista laptop attempts to print (which it can do) it starts sending repeated queries to samba.  smbd's CPU useage than jumps to 15 to 20%, mostly user time, and stays there until I disconnect or power down the laptop.

The problem might be the client.  I am filing this bug because I don't know, and I need somewhere to post the packet capture.  Unfortunately I don't see an upload link.  Even if the client is "wrong" it would be good to cope with it.

I'm running samba 3.2.5 on Debian Lenny, linux 2.6.26-2-686 kernel.  The
P4 has hyperthreading.  I have not installed any printer drivers on the
server, though they are set up on the client.

Below is my smb.conf and then an excerpt from wireshark:
[global]
   workgroup = Boylan
   server string = %h server
    wins support = yes
   include = /etc/samba/dhcp.conf
   dns proxy = no
   interfaces = 127.0.0.0/8 ethfast
   bind interfaces only = yes
   log file = /var/log/samba/log.%m
   max log size = 1000
   syslog = 0
   panic action = /usr/share/samba/panic-action %d
   encrypt passwords = true
   passdb backend = tdbsam
   obey pam restrictions = yes
   passwd program = /usr/bin/passwd %u
   passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* .
   printing = cups
   printcap name = cups
   socket options = TCP_NODELAY
[homes]
   comment = Home Directories
   browseable = no
   read only = no
   create mask = 0700
   directory mask = 0700
   valid users = %S
[printers]
   comment = All Printers
   browseable = no
   path = /var/spool/samba
   printable = yes
   guest ok = no
   read only = yes
   create mask = 0700
[print$]
   comment = Printer Drivers
   path = /var/lib/samba/printers
   browseable = yes
   read only = yes
   guest ok = no
[download]
        comment = Downloads
        path = /usr/local/download
        read only = No

The client is using the Brother driver for HL-5150D, driver name
BROHL04A.DLL (2.16).  Cups has
<Printer rawPrinter>
Info Printer for MS Windows
Location Upstairs
DeviceURI usb://Brother/HL-5150D%20series
State Idle
StateTime 1190948134
Accepting Yes
Shared Yes
JobSheets none none
QuotaPeriod 0
PageLimit 0
KLimit 0
OpPolicy default
ErrorPolicy stop-printer
</Printer>

The samba logs show
[2009/09/07 00:50:53,  0] printing/print_cups.c:cups_connect(68)
  Unable to connect to CUPS server /var/run/cups/cups.sock:631 - No such file or directory

though none more recently.  I do shutdown cups nightly for a snapshot at
that time. I do not shut down samba.

The packets seem to show the client trying to open \\Corn
\rawPrinter and the server replying
return code: File not found (pathname error) (0x0000002)


packet capture:
No.     Time        Source                Destination           Protocol Info
      1 0.000000    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=1 Ack=1 Win=41664 Len=0
      2 0.006582    192.168.40.2          192.168.40.46         SMB      Read AndX Response, 3032 bytes
      3 0.006628    192.168.40.2          192.168.40.46         NBSS     Session message
      4 0.011062    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=1 Ack=3096 Win=4380 Len=0
      5 0.011113    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 5 opnum: 26 ctx_id: 0
      6 0.011233    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=3096 Ack=177 Win=41664 Len=0
      7 0.015300    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 5 ctx_id: 0
      8 0.019147    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
      9 0.019199    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 6 opnum: 53 ctx_id: 0
     10 0.019619    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=4220 Ack=2429 Win=41629 Len=0
     11 0.024679    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724e
     12 0.024708    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
     13 0.029030    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=2429 Ack=6376 Win=4380 Len=0
     14 0.030023    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     15 0.030048    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 7 opnum: 8 ctx_id: 0
     16 0.030131    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=6376 Ack=4625 Win=41630 Len=0
     17 0.043197    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 6 ctx_id: 0
     18 0.043230    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
     19 0.057041    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=4625 Ack=8524 Win=4380 Len=0
     20 0.057097    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 8 opnum: 29 ctx_id: 0
     21 0.057303    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 8 ctx_id: 0
     22 0.060375    192.168.40.46         192.168.40.2          SMB      Close Request, FID: 0x724e
     23 0.060552    192.168.40.2          192.168.40.46         SMB      Close Response
     24 0.065014    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     25 0.066675    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     26 0.066702    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 4 opnum: 8 ctx_id: 0
     27 0.066779    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=8671 Ack=7722 Win=41664 Len=0
     28 0.078417    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
     29 0.078464    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
     30 0.084065    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=9046 Ack=12867 Win=4380 Len=0
     31 0.088682    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     32 0.088726    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     33 0.089142    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=12867 Ack=11966 Win=41624 Len=0
     34 0.090003    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 5 opnum: 8 ctx_id: 0
     35 0.100291    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 4 ctx_id: 0
     36 0.100337    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
     37 0.105033    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=13290 Ack=17063 Win=4380 Len=0
     38 0.106295    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     39 0.106319    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     40 0.106408    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=17063 Ack=16210 Win=41624 Len=0
     41 0.107386    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 6 opnum: 8 ctx_id: 0
     42 0.117862    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
     43 0.117904    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
     44 0.122078    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=17534 Ack=19983 Win=4380 Len=0
     45 0.128247    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     46 0.128293    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     47 0.128396    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=21259 Ack=20454 Win=41624 Len=0
     48 0.129379    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 7 opnum: 8 ctx_id: 0
     49 0.143838    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 6 ctx_id: 0
     50 0.143884    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
     51 0.149059    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=21778 Ack=24179 Win=4380 Len=0
     52 0.151506    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     53 0.151536    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     54 0.152384    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=25455 Ack=24698 Win=41624 Len=0
     55 0.152696    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 8 opnum: 8 ctx_id: 0
     56 0.165166    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
     57 0.165221    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
     58 0.169365    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=26022 Ack=28375 Win=4380 Len=0
     59 0.173998    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     60 0.174055    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     61 0.174677    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=29651 Ack=28942 Win=41624 Len=0
     62 0.175285    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 9 opnum: 8 ctx_id: 0
     63 0.185694    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 8 ctx_id: 0
     64 0.185742    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
     65 0.190075    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=30266 Ack=32571 Win=4380 Len=0
     66 0.192350    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     67 0.192388    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     68 0.192585    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=33847 Ack=33186 Win=41624 Len=0
     69 0.193571    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 10 opnum: 8 ctx_id: 0
     70 0.204285    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
     71 0.204357    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
     72 0.209385    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=34510 Ack=36767 Win=4380 Len=0
     73 0.212405    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     74 0.212444    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     75 0.212624    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=38043 Ack=37430 Win=41624 Len=0
     76 0.213603    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 11 opnum: 8 ctx_id: 0
     77 0.254651    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=38043 Ack=38754 Win=41664 Len=0
     78 0.285690    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 10 ctx_id: 0
     79 0.285726    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
     80 0.290146    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=38754 Ack=40963 Win=4380 Len=0
     81 0.293432    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     82 0.293454    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     83 0.293571    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=42239 Ack=41674 Win=41624 Len=0
     84 0.294546    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 12 opnum: 8 ctx_id: 0
     85 0.294599    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=42239 Ack=42998 Win=41664 Len=0
     86 0.303569    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
     87 0.303612    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
     88 0.309064    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=42998 Ack=46435 Win=4380 Len=0
     89 0.313960    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     90 0.313985    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     91 0.314143    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=46435 Ack=45918 Win=41624 Len=0
     92 0.315124    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 13 opnum: 8 ctx_id: 0
     93 0.325142    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 12 ctx_id: 0
     94 0.325178    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
     95 0.329278    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=47242 Ack=49355 Win=4380 Len=0
     96 0.331377    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     97 0.331404    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
     98 0.331483    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=50631 Ack=50162 Win=41624 Len=0
     99 0.332460    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 14 opnum: 8 ctx_id: 0
    100 0.342030    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
    101 0.342084    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    102 0.347080    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=51486 Ack=53551 Win=4380 Len=0
    103 0.353399    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    104 0.353449    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    105 0.354106    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=54827 Ack=54406 Win=41624 Len=0
    106 0.354398    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 15 opnum: 8 ctx_id: 0
    107 0.359527    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 14 ctx_id: 0
    108 0.359571    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    109 0.365321    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=55730 Ack=59023 Win=4380 Len=0
    110 0.366356    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    111 0.370598    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    112 0.371683    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 16 opnum: 8 ctx_id: 0
    113 0.373074    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=59023 Ack=58650 Win=41664 Len=0
    114 0.381831    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
    115 0.381878    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    116 0.387440    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=59974 Ack=61943 Win=4380 Len=0
    117 0.392910    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    118 0.392963    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    119 0.393464    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=63219 Ack=62894 Win=41624 Len=0
    120 0.394249    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 17 opnum: 8 ctx_id: 0
    121 0.403604    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 16 ctx_id: 0
    122 0.403650    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    123 0.409099    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=64218 Ack=67415 Win=4380 Len=0
    124 0.410386    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    125 0.410410    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    126 0.410580    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=67415 Ack=67138 Win=41624 Len=0
    127 0.411521    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 18 opnum: 8 ctx_id: 0
    128 0.420971    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
    129 0.421015    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    130 0.425231    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=68462 Ack=70335 Win=4380 Len=0
    131 0.431796    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    132 0.431853    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    133 0.431966    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=71611 Ack=71382 Win=41624 Len=0
    134 0.432945    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 19 opnum: 8 ctx_id: 0
    135 0.447681    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 18 ctx_id: 0
    136 0.447730    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    137 0.456977    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=72706 Ack=74531 Win=4380 Len=0
    138 0.458019    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    139 0.458059    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    140 0.458804    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=75807 Ack=75626 Win=41624 Len=0
    141 0.459320    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 20 opnum: 8 ctx_id: 0
    142 0.469774    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
    143 0.469820    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    144 0.475069    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=76950 Ack=78727 Win=4380 Len=0
    145 0.481378    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    146 0.481435    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    147 0.482704    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 21 opnum: 8 ctx_id: 0
    148 0.486583    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=80003 Ack=81194 Win=41603 Len=0
    149 0.495941    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 20 ctx_id: 0
    150 0.495981    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    151 0.501605    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=81194 Ack=82923 Win=4380 Len=0
    152 0.504193    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    153 0.504227    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    154 0.504437    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=84199 Ack=84114 Win=41624 Len=0
    155 0.505417    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 22 opnum: 8 ctx_id: 0
    156 0.521496    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
    157 0.521542    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    158 0.526067    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=85438 Ack=88395 Win=4380 Len=0
    159 0.530065    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    160 0.531453    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    161 0.531482    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 23 opnum: 8 ctx_id: 0
    162 0.531565    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=88395 Ack=88358 Win=41664 Len=0
    163 0.546270    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 22 ctx_id: 0
    164 0.546313    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    165 0.552063    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=89682 Ack=91315 Win=4380 Len=0
    166 0.556396    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    167 0.556428    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    168 0.556587    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=92591 Ack=92602 Win=41624 Len=0
    169 0.557567    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 24 opnum: 8 ctx_id: 0
    170 0.564894    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
    171 0.564938    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    172 0.570400    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=93926 Ack=95511 Win=4380 Len=0
    173 0.576651    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    174 0.576685    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    175 0.576760    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=96787 Ack=96846 Win=41624 Len=0
    176 0.577735    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 25 opnum: 8 ctx_id: 0
    177 0.582815    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 24 ctx_id: 0
    178 0.582856    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    179 0.587053    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=98170 Ack=99707 Win=4380 Len=0
    180 0.589276    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    181 0.589309    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    182 0.589495    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=100983 Ack=101090 Win=41624 Len=0
    183 0.590480    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 26 opnum: 8 ctx_id: 0
    184 0.594962    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
    185 0.594993    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    186 0.600148    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=102414 Ack=103903 Win=4380 Len=0
    187 0.605175    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    188 0.605215    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    189 0.605451    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=105179 Ack=105334 Win=41624 Len=0
    190 0.606437    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 27 opnum: 8 ctx_id: 0
    191 0.611630    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 26 ctx_id: 0
    192 0.611661    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    193 0.616028    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=106658 Ack=108099 Win=4380 Len=0
    194 0.618265    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    195 0.618287    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    196 0.618399    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=109375 Ack=109578 Win=41624 Len=0
    197 0.620497    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 28 opnum: 8 ctx_id: 0
    198 0.624608    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
    199 0.624636    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    200 0.629056    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=110902 Ack=112295 Win=4380 Len=0
    201 0.657610    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    202 0.657660    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    203 0.658936    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 29 opnum: 8 ctx_id: 0
    204 0.662242    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=113571 Ack=115146 Win=41603 Len=0
    205 0.667235    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 28 ctx_id: 0
    206 0.667264    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    207 0.672282    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=115146 Ack=116491 Win=4380 Len=0
    208 0.674472    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    209 0.674495    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    210 0.674557    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=117767 Ack=118066 Win=41624 Len=0
    211 0.675528    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 30 opnum: 8 ctx_id: 0
    212 0.680324    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
    213 0.680354    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    214 0.685102    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=119390 Ack=121963 Win=4380 Len=0
    215 0.689017    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    216 0.689034    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    217 0.689091    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=121963 Ack=122310 Win=41624 Len=0
    218 0.690063    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 31 opnum: 8 ctx_id: 0
    219 0.695575    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 30 ctx_id: 0
    220 0.695608    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    221 0.700182    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=123634 Ack=126159 Win=4380 Len=0
    222 0.701276    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    223 0.701293    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    224 0.701650    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=126159 Ack=126554 Win=41624 Len=0
    225 0.702550    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 32 opnum: 8 ctx_id: 0
    226 0.706873    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
    227 0.706903    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    228 0.712032    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=127878 Ack=129079 Win=4380 Len=0
    229 0.716726    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    230 0.716751    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    231 0.716883    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=130355 Ack=130798 Win=41624 Len=0
    232 0.717855    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 33 opnum: 8 ctx_id: 0
    233 0.722440    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 32 ctx_id: 0
    234 0.722469    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    235 0.727076    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=132122 Ack=134551 Win=4380 Len=0
    236 0.728323    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    237 0.728340    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    238 0.728450    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=134551 Ack=135042 Win=41624 Len=0
    239 0.729425    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 34 opnum: 8 ctx_id: 0
    240 0.734483    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
    241 0.734513    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    242 0.739027    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=136366 Ack=138747 Win=4380 Len=0
    243 0.743805    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    244 0.745557    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    245 0.745594    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 35 opnum: 8 ctx_id: 0
    246 0.745797    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=138747 Ack=139286 Win=41664 Len=0
    247 0.751271    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 34 ctx_id: 0
    248 0.751315    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    249 0.756131    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=140610 Ack=141667 Win=4380 Len=0
    250 0.758358    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    251 0.758396    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    252 0.758478    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=142943 Ack=143530 Win=41624 Len=0
    253 0.759453    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 36 opnum: 8 ctx_id: 0
    254 0.765750    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
    255 0.765794    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    256 0.770175    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=144854 Ack=145863 Win=4380 Len=0
    257 0.775105    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    258 0.775127    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    259 0.775918    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=147139 Ack=147774 Win=41624 Len=0
    260 0.776486    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 37 opnum: 8 ctx_id: 0
    261 0.781074    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 36 ctx_id: 0
    262 0.781111    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    263 0.785349    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=149098 Ack=150059 Win=4380 Len=0
    264 0.788255    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    265 0.788277    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    266 0.788307    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=151335 Ack=152018 Win=41664 Len=0
    267 0.789281    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 38 opnum: 8 ctx_id: 0
    268 0.794246    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
    269 0.794281    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    270 0.799301    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=153342 Ack=154255 Win=4380 Len=0
    271 0.804689    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    272 0.804711    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    273 0.804744    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=155531 Ack=156262 Win=41624 Len=0
    274 0.805720    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 39 opnum: 8 ctx_id: 0
    275 0.810715    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 38 ctx_id: 0
    276 0.810750    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    277 0.815079    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=157586 Ack=158451 Win=4380 Len=0
    278 0.817341    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    279 0.818948    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    280 0.818969    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 40 opnum: 8 ctx_id: 0
    281 0.818989    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=159727 Ack=160506 Win=41664 Len=0
    282 0.824069    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
    283 0.824106    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    284 0.828187    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=161830 Ack=162647 Win=4380 Len=0
    285 0.833870    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    286 0.833897    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    287 0.833926    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=163923 Ack=164750 Win=41664 Len=0
    288 0.857537    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 41 opnum: 8 ctx_id: 0
    289 0.865095    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 40 ctx_id: 0
    290 0.865149    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    291 0.870281    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=166074 Ack=166843 Win=4380 Len=0
    292 0.872336    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    293 0.872356    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    294 0.872414    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=168119 Ack=168994 Win=41624 Len=0
    295 0.874466    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 42 opnum: 8 ctx_id: 0
    296 0.879091    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
    297 0.879126    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    298 0.883358    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=170318 Ack=171039 Win=4380 Len=0
    299 0.889336    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    300 0.889363    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    301 0.889500    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=172315 Ack=173238 Win=41624 Len=0
    302 0.890475    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 43 opnum: 8 ctx_id: 0
    303 0.896076    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 42 ctx_id: 0
    304 0.896109    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    305 0.900427    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=174562 Ack=175235 Win=4380 Len=0
    306 0.902856    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    307 0.904285    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    308 0.904311    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 44 opnum: 8 ctx_id: 0
    309 0.904449    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=176511 Ack=177482 Win=41664 Len=0
    310 0.909601    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
    311 0.909643    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    312 0.915109    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=178806 Ack=180707 Win=4380 Len=0
    313 0.919928    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    314 0.919964    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    315 0.919995    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=180707 Ack=181726 Win=41624 Len=0
    316 0.920979    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 45 opnum: 8 ctx_id: 0
    317 0.925794    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 44 ctx_id: 0
    318 0.925829    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    319 0.931484    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=183050 Ack=183627 Win=4380 Len=0
    320 0.933345    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    321 0.933364    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    322 0.933395    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=184903 Ack=185970 Win=41664 Len=0
    323 0.934375    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 46 opnum: 8 ctx_id: 0
    324 0.941423    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
    325 0.941462    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    326 0.946097    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=187294 Ack=189099 Win=4380 Len=0
    327 0.951723    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    328 0.951752    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    329 0.951785    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=189099 Ack=190214 Win=41624 Len=0
    330 0.952761    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 47 opnum: 8 ctx_id: 0
    331 0.958879    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 46 ctx_id: 0
    332 0.958917    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    333 0.964062    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=191538 Ack=192019 Win=4380 Len=0
    334 0.966283    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    335 0.966307    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    336 0.966336    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=193295 Ack=194458 Win=41624 Len=0
    337 0.968430    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 48 opnum: 8 ctx_id: 0
    338 0.972936    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724c
    339 0.972973    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    340 0.977109    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=195782 Ack=196215 Win=4380 Len=0
    341 0.981692    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 49 opnum: 29 ctx_id: 0
    342 0.981812    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 49 ctx_id: 0
    343 0.985307    192.168.40.46         192.168.40.2          SMB      Close Request, FID: 0x724c
    344 0.985406    192.168.40.2          192.168.40.46         SMB      Close Response
    345 1.002377    192.168.40.46         192.168.40.2          SMB      NT Create AndX Request, FID: 0x724f, Path: \spoolss
    346 1.002522    192.168.40.2          192.168.40.46         SMB      NT Create AndX Response, FID: 0x724f
    347 1.005342    192.168.40.46         192.168.40.2          SMB      Trans2 Request, QUERY_FILE_INFO, FID: 0x724f, Query File Standard Info
    348 1.005404    192.168.40.2          192.168.40.46         SMB      Trans2 Response, FID: 0x724f, QUERY_FILE_INFO
    349 1.008716    192.168.40.46         192.168.40.2          DCERPC   Bind: call_id: 1, 2 context items, 1st SPOOLSS V1.0
    350 1.008797    192.168.40.2          192.168.40.46         SMB      Write AndX Response, FID: 0x724f, 116 bytes
    351 1.012007    192.168.40.46         192.168.40.2          SMB      Read AndX Request, FID: 0x724f, 1024 bytes at offset 0
    352 1.012072    192.168.40.2          192.168.40.46         DCERPC   Bind_ack: call_id: 1 accept max_xmit: 4280 max_recv: 4280
    353 1.016831    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    354 1.018438    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    355 1.018453    192.168.40.46         192.168.40.2          SPOOLSS  OpenPrinterEx request, \\CORN\rawPrinter
    356 1.018470    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=198047 Ack=199308 Win=41664 Len=0
    357 1.018803    192.168.40.2          192.168.40.46         SPOOLSS  OpenPrinterEx response
    358 1.023767    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    359 1.023804    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    360 1.023906    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=198155 Ack=202398 Win=41624 Len=0
    361 1.024887    192.168.40.46         192.168.40.2          SPOOLSS  GetPrinter request, level 4
    362 1.027236    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724f
    363 1.030310    192.168.40.46         192.168.40.2          SMB      Read AndX Request, FID: 0x724f, 3112 bytes at offset 0
    364 1.030379    192.168.40.2          192.168.40.46         SMB      Read AndX Response, FID: 0x724f, 3112 bytes
    365 1.030410    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    366 1.045975    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=203785 Ack=202414 Win=4380 Len=0
    367 1.057272    192.168.40.46         192.168.40.2          SMB      NT Create AndX Request, FID: 0x7250, Path: \spoolss
    368 1.057514    192.168.40.2          192.168.40.46         SMB      NT Create AndX Response, FID: 0x7250
    369 1.060691    192.168.40.46         192.168.40.2          DCERPC   Bind: call_id: 1, 2 context items, 1st SPOOLSS V1.0
    370 1.060858    192.168.40.2          192.168.40.46         SMB      Write AndX Response, FID: 0x7250, 116 bytes
    371 1.063225    192.168.40.46         192.168.40.2          SMB      Read AndX Request, FID: 0x7250, 1024 bytes at offset 0
    372 1.063308    192.168.40.2          192.168.40.46         DCERPC   Bind_ack: call_id: 1 accept max_xmit: 4280 max_recv: 4280
    373 1.066368    192.168.40.46         192.168.40.2          SPOOLSS  OpenPrinterEx request, \\CORN\rawPrinter
    374 1.066719    192.168.40.2          192.168.40.46         SPOOLSS  OpenPrinterEx response
    375 1.069332    192.168.40.46         192.168.40.2          SPOOLSS  EnumForms request, level 2
    376 1.069450    192.168.40.2          192.168.40.46         SPOOLSS  EnumForms response, level 2[Malformed Packet]
    377 1.072267    192.168.40.46         192.168.40.2          SPOOLSS  EnumForms request, level 1
    378 1.072429    192.168.40.2          192.168.40.46         SPOOLSS  EnumForms response, level 1, Insufficient buffer
    379 1.077031    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    380 1.077059    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    381 1.077205    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=203051 Ack=207644 Win=41624 Len=0
    382 1.078179    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 4 opnum: 34 ctx_id: 0 [DCE/RPC first fragment, reas: #386]
    383 1.078247    192.168.40.2          192.168.40.46         SMB      Write AndX Response, FID: 0x7250, 4280 bytes
    384 1.081950    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    385 1.085141    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    386 1.085157    192.168.40.46         192.168.40.2          SPOOLSS  EnumForms request, level 1
    387 1.085208    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=203102 Ack=211992 Win=41664 Len=0
    388 1.085630    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x7250
    389 1.089641    192.168.40.46         192.168.40.2          SMB      Read AndX Request, FID: 0x7250, 3256 bytes at offset 0
    390 1.089715    192.168.40.2          192.168.40.46         SMB      Read AndX Response, FID: 0x7250, 3256 bytes
    391 1.089739    192.168.40.2          192.168.40.46         NBSS     Session message
    392 1.095306    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=212271 Ack=207505 Win=4380 Len=0
    393 1.095345    192.168.40.46         192.168.40.2          SMB      Read AndX Request, FID: 0x7250, 4280 bytes at offset 0
    394 1.095618    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 4 ctx_id: 0 [DCE/RPC last fragment][Packet size limited during capture]
    395 1.095651    192.168.40.2          192.168.40.46         NBSS     Session message
    396 1.100253    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=212334 Ack=210600 Win=4380 Len=0
    397 1.100284    192.168.40.46         192.168.40.2          SPOOLSS  GetPrinterData request, DriverPolicy
    398 1.103251    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x7250
    399 1.150697    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    400 1.150746    192.168.40.46         192.168.40.2          SPOOLSS  GetPrinterDriver2 request, OpenPrinterEx(\\CORN\rawPrinter), level 6
    401 1.150877    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=211724 Ack=214762 Win=41629 Len=0
    402 1.153560    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x7250
    403 1.153580    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    404 1.158511    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=214762 Ack=213880 Win=4380 Len=0
    405 1.159517    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    406 1.161046    192.168.40.46         192.168.40.2          SPOOLSS  GetPrinter request, level 2
    407 1.161112    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=213880 Ack=216958 Win=41664 Len=0
    408 1.165602    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 4 ctx_id: 0 [DCE/RPC first fragment]
    409 1.165629    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    410 1.170331    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=216958 Ack=216028 Win=4380 Len=0
    411 1.170362    192.168.40.46         192.168.40.2          SPOOLSS  ClosePrinter request, OpenPrinterEx(\\CORN\rawPrinter)
    412 1.170476    192.168.40.2          192.168.40.46         SPOOLSS  ClosePrinter response
    413 1.174272    192.168.40.46         192.168.40.2          SMB      Close Request, FID: 0x7250
    414 1.174381    192.168.40.2          192.168.40.46         SMB      Close Response, FID: 0x7250
    415 1.178137    192.168.40.46         192.168.40.2          SPOOLSS  GetPrinter request, level 2
    416 1.185481    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724f
    417 1.191104    192.168.40.46         192.168.40.2          SMB      NT Create AndX Request, FID: 0x7251, Path: \spoolss
    418 1.230649    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=217575 Ack=218689 Win=41663 Len=0
    419 1.277782    192.168.40.2          192.168.40.46         SMB      NT Create AndX Response, FID: 0x7251
    420 1.280815    192.168.40.46         192.168.40.2          DCERPC   Bind: call_id: 1, 2 context items, 1st SPOOLSS V1.0
    421 1.280929    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=217714 Ack=218873 Win=41664 Len=0
    422 1.281036    192.168.40.2          192.168.40.46         SMB      Write AndX Response, FID: 0x7251, 116 bytes
    423 1.284284    192.168.40.46         192.168.40.2          SMB      Read AndX Request, FID: 0x7251, 1024 bytes at offset 0
    424 1.284413    192.168.40.2          192.168.40.46         DCERPC   Bind_ack: call_id: 1 accept max_xmit: 4280 max_recv: 4280
    425 1.287843    192.168.40.46         192.168.40.2          SPOOLSS  OpenPrinterEx request, \\CORN\rawPrinter
    426 1.288865    192.168.40.2          192.168.40.46         SPOOLSS  OpenPrinterEx response
    427 1.292489    192.168.40.46         192.168.40.2          SPOOLSS  EnumForms request, level 2
    428 1.292671    192.168.40.2          192.168.40.46         SPOOLSS  EnumForms response, level 2[Malformed Packet]
    429 1.295277    192.168.40.46         192.168.40.2          SPOOLSS  EnumForms request, level 1
    430 1.295537    192.168.40.2          192.168.40.46         SPOOLSS  EnumForms response, level 1, Insufficient buffer
    431 1.299053    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    432 1.299086    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    433 1.299275    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=218212 Ack=222442 Win=41624 Len=0
    434 1.300254    192.168.40.46         192.168.40.2          DCERPC   Request: call_id: 4 opnum: 34 ctx_id: 0 [DCE/RPC first fragment, reas: #438]
    435 1.300345    192.168.40.2          192.168.40.46         SMB      Write AndX Response, FID: 0x7251, 4280 bytes
    436 1.304004    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    437 1.304036    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    438 1.304049    192.168.40.46         192.168.40.2          SPOOLSS  EnumForms request, level 1
    439 1.304208    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=218263 Ack=227006 Win=41615 Len=0
    440 1.304612    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x7251
    441 1.308260    192.168.40.46         192.168.40.2          SMB      Read AndX Request, FID: 0x7251, 3256 bytes at offset 0
    442 1.309801    192.168.40.2          192.168.40.46         SMB      Read AndX Response, FID: 0x7251, 3256 bytes
    443 1.309841    192.168.40.2          192.168.40.46         NBSS     Session message
    444 1.314107    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=227069 Ack=222666 Win=4380 Len=0
    445 1.314146    192.168.40.46         192.168.40.2          SMB      Read AndX Request, FID: 0x7251, 4280 bytes at offset 0
    446 1.314250    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 4 ctx_id: 0 [DCE/RPC last fragment][Packet size limited during capture]
    447 1.314283    192.168.40.2          192.168.40.46         NBSS     Session message
    448 1.319136    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=227132 Ack=225586 Win=4380 Len=0
    449 1.320898    192.168.40.46         192.168.40.2          SPOOLSS  GetPrinterData request, DriverPolicy
    450 1.325622    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x7251
    451 1.330052    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    452 1.330106    192.168.40.46         192.168.40.2          SPOOLSS  GetPrinterDriver2 request, OpenPrinterEx(\\CORN\rawPrinter), level 6
    453 1.332777    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=226885 Ack=229560 Win=41629 Len=0
    454 1.336101    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x7251
    455 1.336134    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    456 1.340311    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=229560 Ack=229041 Win=4380 Len=0
    457 1.340361    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    458 1.341426    192.168.40.46         192.168.40.2          SPOOLSS  GetPrinter request, level 2
    459 1.341488    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=229041 Ack=231756 Win=41664 Len=0
    460 1.347994    192.168.40.2          192.168.40.46         DCERPC   Response: call_id: 4 ctx_id: 0 [DCE/RPC first fragment]
    461 1.348026    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    462 1.352066    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=231756 Ack=231189 Win=4380 Len=0
    463 1.352118    192.168.40.46         192.168.40.2          SPOOLSS  ClosePrinter request, OpenPrinterEx(\\CORN\rawPrinter)
    464 1.352286    192.168.40.2          192.168.40.46         SPOOLSS  ClosePrinter response
    465 1.355312    192.168.40.46         192.168.40.2          SMB      Close Request, FID: 0x7251
    466 1.355523    192.168.40.2          192.168.40.46         SMB      Close Response, FID: 0x7251
    467 1.359978    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    468 1.360034    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    469 1.360115    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=231336 Ack=234853 Win=41624 Len=0
    470 1.361095    192.168.40.46         192.168.40.2          SPOOLSS  GetPrinter request, level 2
    471 1.367772    192.168.40.2          192.168.40.46         SPOOLSS  GetPrinter response, level 4
    472 1.367816    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    473 1.372052    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=236177 Ack=234256 Win=4380 Len=0
    474 1.377397    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    475 1.377452    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    476 1.377529    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=235532 Ack=239097 Win=41624 Len=0
    477 1.378507    192.168.40.46         192.168.40.2          SPOOLSS  GetPrinter request, level 2
    478 1.384936    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724f
    479 1.384979    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    480 1.390270    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=240421 Ack=238452 Win=4380 Len=0
    481 1.392365    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    482 1.392404    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    483 1.392474    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=239728 Ack=243341 Win=41624 Len=0
    484 1.393452    192.168.40.46         192.168.40.2          SPOOLSS  GetPrinter request, level 2
    485 1.402976    192.168.40.2          192.168.40.46         SPOOLSS  GetPrinter response, level 2
    486 1.403018    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    487 1.407124    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=244665 Ack=242648 Win=4380 Len=0
    488 1.413401    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    489 1.413458    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    490 1.413538    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=243924 Ack=247585 Win=41624 Len=0
    491 1.414515    192.168.40.46         192.168.40.2          SPOOLSS  GetPrinter request, level 2
    492 1.422727    192.168.40.2          192.168.40.46         SMB Pipe TransactNmPipe Response, FID: 0x724f
    493 1.422768    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
    494 1.427092    192.168.40.46         192.168.40.2          TCP      58439 > microsoft-ds [ACK] Seq=248909 Ack=246844 Win=4380 Len=0
    495 1.429404    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    496 1.430888    192.168.40.46         192.168.40.2          TCP      [TCP segment of a reassembled PDU]
    497 1.430918    192.168.40.46         192.168.40.2          SPOOLSS  GetPrinter request, level 2
    498 1.430983    192.168.40.2          192.168.40.46         TCP      microsoft-ds > 58439 [ACK] Seq=248120 Ack=251829 Win=41664 Len=0
    499 1.437383    192.168.40.2          192.168.40.46         SPOOLSS  GetPrinter response, level 2
    500 1.437427    192.168.40.2          192.168.40.46         NBSS     NBSS Continuation Message
Comment 1 Ross Boylan 2009-09-23 11:37:07 UTC
Created attachment 4732 [details]
Packet capture
Comment 2 Ross Boylan 2009-10-11 16:21:04 UTC
cups's error.log shows lots of "No authentication data provided".
I can't find much documentation on the relation between samba and cups authentication; I am using cups from a dynamic library (or at least, ldd on smbd shows the cups library).
 [10/Oct/2009:22:04:31 -0700] cupsdAcceptClient: 27 from localhost (Domain)
D [10/Oct/2009:22:04:31 -0700] cupsdCloseClient: 26
D [10/Oct/2009:22:04:31 -0700] cupsdReadClient: 27 POST / HTTP/1.1
D [10/Oct/2009:22:04:31 -0700] cupsdAuthorize: No authentication data provided.
D [10/Oct/2009:22:04:31 -0700] Get-Printer-Attributes ipp:///printers/rawPrinter
D [10/Oct/2009:22:04:31 -0700] cupsdProcessIPPRequest: 27 status_code=0 (successful-ok)
D [10/Oct/2009:22:04:31 -0700] cupsdCloseClient: 27
D [10/Oct/2009:22:04:31 -0700] cupsdAcceptClient: 26 from localhost (Domain)
D [10/Oct/2009:22:04:31 -0700] cupsdReadClient: 26 POST / HTTP/1.1
D [10/Oct/2009:22:04:31 -0700] cupsdAuthorize: No authentication data provided.
D [10/Oct/2009:22:04:31 -0700] Get-Printer-Attributes ipp:///printers/rawPrinter
D [10/Oct/2009:22:04:31 -0700] cupsdProcessIPPRequest: 26 status_code=0 (successful-ok)
D [10/Oct/2009:22:04:31 -0700] cupsdAcceptClient: 27 from localhost (Domain)
D [10/Oct/2009:22:04:31 -0700] cupsdCloseClient: 26
D [10/Oct/2009:22:04:31 -0700] cupsdReadClient: 27 POST / HTTP/1.1
D [10/Oct/2009:22:04:31 -0700] cupsdAuthorize: No authentication data provided.
D [10/Oct/2009:22:04:31 -0700] Get-Printer-Attributes ipp:///printers/rawPrinter
D [10/Oct/2009:22:04:31 -0700] cupsdProcessIPPRequest: 27 status_code=0 (successful-ok)
Comment 3 Guenther Deschner 2009-11-24 10:28:52 UTC
Is this Vista 64bit ?

Do you have a chance to test with a more recent versions of Samba, in particular a 3.4.x release ?
Comment 4 Ross Boylan 2009-11-24 12:39:35 UTC
(In reply to comment #3)
> Is this Vista 64bit ?
No.  32bit.
> 
> Do you have a chance to test with a more recent versions of Samba, in
> particular a 3.4.x release ?
I haven't; I'm trying to stick with the Debian stable release.


Comment 5 Ross Boylan 2009-12-27 01:56:03 UTC
3.4.3 seems to work much better.  smbd uses 5 or 6% of CPU (once I have printed something), with another 1% for CUPS.  The Vista spooler also uses around 5%, and they are busy chatting (according to wireshark).  

The CUPS logs no longer show "cupsdAuthorize: No authentication data provided." or much of the other chatter.  However, many times a second, they show
D [26/Dec/2009:23:51:15 -0800] cupsdAcceptClient: 27 from localhost (Domain)
D [26/Dec/2009:23:51:15 -0800] cupsdCloseClient: 27
Sometimes it's 27 instead of 28; that may have been when I actually was  printing.

This behavior is much better.  The load still seems a bit high; I don't know if that's inevitable or not.
Comment 6 Ross Boylan 2009-12-27 01:59:08 UTC
More details of my setup.  I used the Debian unstable sources to build packages with version 2:3.4.3-1 on my stable system.  This required various dependencies, including pulling in binaries for PAM from unstable.

There are also Samba 4 packages ...
Comment 7 Ross Boylan 2010-01-04 07:41:17 UTC
3.4.3 didn't work so well; after a couple days, it used 2G of memory and brought my system to a standstill.
Comment 8 Ross Boylan 2010-01-06 01:59:00 UTC
Also, under 3.4.3 there is still noticeable CPU load on the server (5-10%) and client (c 10%) and continuous exchanges of messages.

There is more information, including packet captures, in bug 7020, which nominally concerns the memory, rather than CPU, problem.  Patches in that bug to date seem to fix most, but not quite all, of the leak.
Comment 9 Jeremy Allison 2010-01-06 10:24:46 UTC
I believe this is actually a bug that Guenther has fixed with the SPOOLSS marshalling which will be in 3.4.4 (I'll look up the bug report and link to this bug later). The memory leak side-effect in bug 7020 is where I am concentrating my efforts now. Don't update your code yet though, as I need your system to reproduce the memory leak issue :-).

Jeremy.
Comment 10 Ross Boylan 2010-02-03 18:27:55 UTC
Any news on this, or anything I can try?
Comment 11 Ross Boylan 2010-03-06 12:11:30 UTC
Created attachment 5467 [details]
packet capture: samba 3.4.6

I'm still seeing a problem with samba 3.4.6, build from Debian source.
A quick look at the attached wireshark capture suggests things may have changed a bit--I don't see failure/error/permission denied messages--but the overall behavior is the same.  Significant (c 10%) CPU use on both client and server, a high volume of traffic between the two, and the same exchanges many times a second.
Comment 12 Ross Boylan 2010-03-06 12:14:13 UTC
I'm still seeing problems with samba 3.4.6; see attached packet capture and comments on same.

I've tried to update the samba version on this bug, but that doesn't seem to be possible.
Comment 13 Björn Jacke 2018-12-28 00:52:18 UTC
I assume that you don't have this issue anymore after samba grew up some more years. If you still see any such problem with a recent and maintained release branch, please open a new bug report for that.