Microsoft KB Archive/872843

= FIX: The Log Reader Agent may fail and you receive an assertion error message =

Article ID: 872843

Article Last Modified on 11/2/2007

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APPLIES TO


 * Microsoft SQL Server 2000 Developer Edition
 * Microsoft SQL Server 2000 Standard Edition
 * Microsoft SQL Server 2000 Enterprise Edition
 * Microsoft SQL Server 2000 Personal Edition
 * Microsoft SQL Server 2000 Enterprise Edition
 * Microsoft SQL Server 2000 Workgroup Edition
 * Microsoft SQL Server 2000 Desktop Engine (Windows)
 * Microsoft SQL Server 2000 Developer Edition
 * Microsoft SQL Server 2000 Enterprise Edition 64-bit

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Bug #: 354992 (Shiloh_bugs)

Bug #: 471942 (Shiloh_bugs)

Bug #: 470792 (Shiloh_bugs)

Bug #: 471919 (Shiloh_bugs)



Article contents
 Summary Symptoms Resolution 

Hotfix information

 

Prerequisites

 

Restart information

 

Hotfix file information

</li> Status</li> More Information</li> 

Stack information

</li></ul>

<div class="summary_section">

SUMMARY
This article describes the following about this hotfix release:
 * The issues that are fixed by this hotfix package.
 * The prerequisites for installing the hotfix package.
 * Whether you must restart your computer after you install the hotfix package.
 * Whether the hotfix package is replaced by any other hotfix package.
 * Whether you must make any registry changes.
 * The files that are contained in the hotfix package.

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<div class="symptoms_section">

SYMPTOMS
The Log Reader Agent may fail and an assertion error message is written to the SQL Server error log. When the error occurs, the Log Reader Agent connection is dropped.

For a list of previous hotfixes, see the &quot;Microsoft SQL Server 2000 post-Service Pack 3 or Microsoft SQL Server 2000 post-Service Pack 3a hotfixes&quot; section in the following Microsoft Knowledge Base article:

290211 How to obtain the most recent SQL Server 2000 service pack

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<div class="resolution_section">

Service pack information
To resolve this problem, obtain the latest service pack for Microsoft SQL Server 2000. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

290211 How to obtain the latest SQL Server 2000 service pack

Prerequisites
This hotfix requires SQL Server 2000 Service Pack 3 (SP3) and baseline hotfix 8.00.1007. For information about how to obtain SQL Server 2000 SP3, see the following article in the Microsoft Knowledge Base:

290211 How to obtain the most recent SQL Server 2000 service pack

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Restart information
You do not have to restart your computer after you apply this hotfix.

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Hotfix file information
This hotfix contains only those files that are required to correct the issues that this article lists. This hotfix may not contain all the files that you must have to fully update a product to the latest build.

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Note Because of file dependencies, the most recent hotfix that contains these files may also contain additional files.back to the top

<div class="status_section">

STATUS
Microsoft has confirmed that this is a bug in the Microsoft products that are listed in the &quot;Applies to&quot; section.

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<div class="moreinformation_section">

MORE INFORMATION
For more information about the naming schema for SQL Server updates, click the following article number to view the article in the Microsoft Knowledge Base:

822499 New naming schema for Microsoft SQL Server software update packages

For more information about the terminology that Microsoft uses when correcting software after it is released, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

Stack information
When this behavior occurs, the SQL Server error log will contain the following stack dumps and error messages:

<pre class="fixed_text">* ---
 * Short Stack Dump
 * 0088199C Module(sqlservr+0048199C) (CStackDump::GetContextAndDump+0000002E)
 * 008834AD Module(sqlservr+004834AD) (stackTrace+00000223)
 * 00937A94 Module(sqlservr+00537A94) (utassert_fail+000002E3)
 * 00862A0C Module(sqlservr+00462A0C) (LogIterForward::ProcessLog+0000003E)
 * 0045E378 Module(sqlservr+0005E378) (LogIterForward::WaitforLogAvailable+000000AF)
 * 0045E2A9 Module(sqlservr+0005E2A9) (LogIterForward::GetNextBlock+000000A5)
 * 0045E148 Module(sqlservr+0005E148) (LogIterForward::GetNext+0000007A)
 * 007EDFD8 Module(sqlservr+003EDFD8) (get_trans_cmds+000001B3)
 * 007EDDA4 Module(sqlservr+003EDDA4) (repl_cmds+000001C6)
 * 007ECCAD Module(sqlservr+003ECCAD) (xp_replcmds+0000018A)
 * 005F48F6 Module(sqlservr+001F48F6) (CSpecProc::ExecuteSpecial+00000119)
 * 005F454D Module(sqlservr+001F454D) (CXProc::Execute+000000A3)
 * 005F6842 Module(sqlservr+001F6842) (CSQLSource::Execute+000003C0)
 * 0043A179 Module(sqlservr+0003A179) (execrpc+00000507)
 * 004393DB Module(sqlservr+000393DB) (execute_rpc+00000019)
 * 00428884 Module(sqlservr+00028884) (process_commands+00000232)
 * 41072838 Module(UMS+00002838) (ProcessWorkRequests+00000272)
 * 410725B3 Module(UMS+000025B3) (ThreadStartRoutine+00000098)
 * 77BC90A2 Module(MSVCRT+000290A2) (endthread+000000A6)
 * 77E4A990 Module(kernel32+0000A990) (FlsSetValue+00000779)

Stack Signature for the dump is 0x52072145 SQL Server Assertion: File: <logscan.cpp>, line=1903 Failed Assertion = 'startLSN >= m_curLSN'. Error: 3624, Severity: 20, State: 1.

Stack Signature for the dump is 0x3F63EDFB SQL Server Assertion: File: <logscan.cpp>, line=2137 Failed Assertion = 'm_noOfScAlloc == 0'. back to the top
 * Short Stack Dump
 * 0088199C Module(sqlservr+0048199C) (CStackDump::GetContextAndDump+0000002E)
 * 008834AD Module(sqlservr+004834AD) (stackTrace+00000223)
 * 00937A94 Module(sqlservr+00537A94) (utassert_fail+000002E3)
 * 00862C1F Module(sqlservr+00462C1F) (LogIterForward::Close+0000008A)
 * 00441007 Module(sqlservr+00041007) (LogIterForward::~LogIterForward+00000020)
 * 77BB7AE7 Module(MSVCRT+00017AE7) (_unDNameEx+000007B6)
 * 007ECCAD Module(sqlservr+003ECCAD) (xp_replcmds+0000018A)
 * 005F48F6 Module(sqlservr+001F48F6) (CSpecProc::ExecuteSpecial+00000119)
 * 005F454D Module(sqlservr+001F454D) (CXProc::Execute+000000A3)
 * 005F6842 Module(sqlservr+001F6842) (CSQLSource::Execute+000003C0)
 * 0043A179 Module(sqlservr+0003A179) (execrpc+00000507)
 * 004393DB Module(sqlservr+000393DB) (execute_rpc+00000019)
 * 00428884 Module(sqlservr+00028884) (process_commands+00000232)
 * 41072838 Module(UMS+00002838) (ProcessWorkRequests+00000272)
 * 410725B3 Module(UMS+000025B3) (ThreadStartRoutine+00000098)
 * 77BC90A2 Module(MSVCRT+000290A2) (endthread+000000A6)
 * 77E4A990 Module(kernel32+0000A990) (FlsSetValue+00000779)
 * 77E4A990 Module(kernel32+0000A990) (FlsSetValue+00000779)

Additional query words:

Keywords: kbbug kbfix kbqfe kbsqlserv2000presp4fix kbhotfixserver KB872843

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