Microsoft KB Archive/235858

= A CPI-C Application May Hang When Internal Tracing Is Enabled =

Article ID: 235858

Article Last Modified on 1/16/2004

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APPLIES TO


 * Microsoft SNA Server 3.0 Service Pack 4
 * Microsoft SNA Server 4.0

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This article was previously published under Q235858





SYMPTOMS
If client internal tracing is enabled using the SNA Server trace facility, a CPI-C application may stop responding (hang). This only happens if asynchronous verb completion is used in the application.



CAUSE
A CPI-C verb is traced after the asynchronous completion of the verb is signaled. In this situation, the application has legitimately freed the data buffer, which is still traced.



RESOLUTION
To resolve this problem, obtain the latest service pack for SNA Server version 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



STATUS
Microsoft has confirmed that this is a problem in Microsoft SNA Server, versions 3.0, 3.0 SP1, 3.0 SP2, 3.0 SP3, 3.0 SP4, 4.0, 4.0 SP1, 4.0 SP2. This problem was first corrected in SNA Server version 4.0 Service Pack 3.

Additional query words: cpic

Keywords: kbbug kbfix kbsna400sp3fix kbqfe KB235858

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