Microsoft KB Archive/195399

= SNA Print Service Access Violation in S3pcsctl =

Article ID: 195399

Article Last Modified on 10/27/2006

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APPLIES TO


 * Microsoft SNA Server 3.0 Service Pack 4
 * Microsoft SNA Server 4.0
 * Microsoft SNA Server 3.0 Service Pack 2
 * Microsoft SNA Server 3.0 Service Pack 3
 * Microsoft SNA Server 4.0
 * Microsoft SNA Server 4.0 Service Pack 1

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This article was previously published under Q195399





SYMPTOMS
The SNA Print service (Snaprint.exe) may fail unexpectedly with an access violation, causing all print sessions to end abnormally. When this specific problem occurs, SNA Server will log the following event, along with an indication of a failure in routine "s3pcsctl":

  Source: SNA Server Event: 624 Creating dump file SNADUMP.LOG for snaprint.exe

If Drwtsn32.exe is the default debugger, the Drwtsn32.log file will indicate an access violation fault in routine "s3pcsctl". The log entry will appear as follows:

  Application exception occurred:

App: exe\snaprint.dbg  Exception number: c0000005 (access violation)

  [...]

  State Dump for Thread Id 0x40

  eax=02020380 ebx=000af710 ecx=00000018 edx=6020ecdc esi=000af710 edi=40404040 eip=60d838ab esp=0c20ff68 ebp=00000008 iopl=0 nv up ei pl nz na pe nc  cs=001b  ss=0023  ds=0023  es=0023  fs=0038  gs=0000 efl=00000202

  function: s3pcsctl

60d8388a 55 push ebp 60d8388b 57 push edi 60d8388c 68b811da60 push 0x60da11b8 60d83891 6a00 push 0x0 60d83893 e8b8dfffff call PreAsyncTrace (60d81850) 60d83898 83c414 add esp,0x14 60d8389b 8b150011d860 mov edx,[_imp____dwEnabledTraces

  (60d8110

60d838a1 8d4c6d00 lea ecx,[ebp+ebp*2] 60d838a5 8d044f lea eax,[edi+ecx*2] 60d838a8 c1e003 shl eax,0x3

  FAULT ->60d838ab 8b988411d860     mov     ebx,[eax+0x60d81184]

  *> Stack Back Trace <*

  FramePtr ReturnAd Param#1  Param#2  Param#3  Param#4  Function Name 00000008 00000000 00000000 00000000 00000000 00000000 ppd3270!s3pcsctl



CAUSE
The print server is mishandling long streams of NULL characters or spaces in the print job when "No Line Formatting" is selected for the print session.



SNA Server 3.0
To resolve this problem, obtain the latest service pack for SNA Server version 3.0. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

184307 How to Obtain the Latest SNA Server Version 3.0 Service Pack

SNA Server 4.0
This problem was corrected in the latest SNA Server version 4.0 U.S. Service Pack. For information on obtaining this Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

<pre class="fixed_text">  S E R V P A C K

<div class="workaround_section">

WORKAROUND
Try clearing the "No Line Formatting" check box within the SNA print session 3270 Configuration tab.

<div class="status_section">

STATUS
Microsoft has confirmed this to be a problem in SNA Server versions 3.0, 3.0 Service Pack 1, 3.0 Service Pack 2, 3.0 Service Pack 3, 4.0, and 4.0 Service Pack 1. This problem was first corrected in SNA Server 3.0 Service Pack 4.

<div class="moreinformation_section">

MORE INFORMATION
For more information about the "No Line Formatting" option, see the following Knowledge Base article:

<pre class="fixed_text">  ARTICLE-ID: Q178514 TITLE    : "No Line Formatting" Option isn't Explained in SNA Server                Help

Keywords: kbbug kbfix KB195399

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