Microsoft KB Archive/252837

= Exception in DbgBreakPoint with TN5250 Service =

Article ID: 252837

Article Last Modified on 6/29/2004

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APPLIES TO


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

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This article was previously published under Q252837



SYMPTOMS
An application exception (trap) may occur on the SNA Server computer when you use the Rumba 5.2 TN5250 client to connect to the TN5250 Service. If you have Dr. Watson (Drwtsn32.exe) configured as the default debugger, a Drwtsn32.log file is created in the [NTROOT] directory. The following events are created in the Application event log of the Event Viewer:

Event ID: 5

Source : SNA TN5250 Server Description:

The SNA TN5250 Service detected an internal error.

File = ..\shared\tn5tnspm.c

Line = 3477

Fail = ((NB_IPS *)dsi5_data)->buf_size >= ((NB_IPS *)dsi5_data)->ips_length

Parm = 0x0

Event ID: 4097

Source: DrWatson

The application, exe\tn5250.dbg, generated an application error The error occurred on 1/25/2000 @ 20:58: 3.406.

The exception generated was 80000003 at address 77f76274 (DbgBreakPoint).

The following is an example of the exception in DbgBreakPoint:

Application exception occurred: App: exe\tn5250.dbg (pid=326) When: 1/25/2000 @ 20:58:3.406 Exception number: 80000003 (hardcoded breakpoint)

function: DbgBreakPoint FAULT ->77f76274 cc              int     3 77f76275 c3              ret 77f76276 8bc0            mov     eax,eax



RESOLUTION
To resolve this problem, obtain the latest service pack for SNA Server 4.0. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

215838 How to Obtain the Latest SNA Server Version 4.0 Service Pack



WORKAROUND
To work around this problem, use the Microsoft SNA Server TN5250 applet.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

This problem was first corrected in SNA Server 4.0 Service Pack 4.



MORE INFORMATION
The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.

Keywords: kbbug kbfix kbsna400presp4fix kbqfe kbsna400sp4fix KB252837

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