Article ID: 815183
Article Last Modified on 11/2/2007
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
BUG #: 364146 (SQL Server 8.0)
SYMPTOMS
You have a SQL query that contains many different search arguments. When you execute this SQL query with a parallel query plan in Microsoft SQL Server 2000 Service Pack 3 (SP3), the query may write beyond the bounds of an allocated buffer. This memory overwrite can lead to various exceptions, in-memory data corruption, or runtime errors. These problems may occur either while the specific query is running or after the query finishes, when another thread tries to access the overwritten memory.
Under the circumstances in which this problem was originally reported, the offending query reports the following error message:
This problem can occur when the combined maximum size of all the search arguments exceeds 8 KB. This behavior occurs when one of the following conditions is true:
- You use a small number of predicates. For example, you may use two varchar(5000) columns.
- You use a larger number of small values. For example, you may use hundreds of values in a large IN list or many OR predicates.
RESOLUTION
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
Hotfix information
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 tool in Control Panel.
Date Time Version Size File name
-------------------------------------------------------------------
26-Feb-2003 03:41 2000.80.777.0 29,244 Dbmslpcn.dll
08-Feb-2003 05:43 786,432 Distmdl.ldf
08-Feb-2003 05:43 2,359,296 Distmdl.mdf
30-Jan-2003 01:55 180 Drop_repl_hotfix.sql
01-Feb-2003 00:32 2000.80.763.0 1,557,052 Dtsui.dll
30-Jan-2003 05:18 746,470 Instdist.sql
30-Jan-2003 01:55 1,402 Inst_repl_hotfix.sql
08-Feb-2003 06:40 2000.80.765.0 90,692 Msgprox.dll
08-Feb-2003 03:53 1,065,895 Replmerg.sql
08-Feb-2003 06:40 2000.80.765.0 221,768 Replprov.dll
08-Feb-2003 06:40 2000.80.765.0 307,784 Replrec.dll
30-Jan-2003 05:18 1,084,318 Replsys.sql
28-Feb-2003 01:34 2000.80.778.0 176,696 Sqlmap70.dll
08-Feb-2003 06:40 2000.80.765.0 57,920 Sqlrepss.dll
03-Mar-2003 19:15 2000.80.780.0 7,516,241 Sqlservr.exe
08-Feb-2003 06:40 2000.80.765.0 45,644 Sqlvdi.dll
26-Feb-2003 03:41 2000.80.777.0 29,244 Ssmslpcn.dll
26-Feb-2003 03:41 2000.80.777.0 82,492 Ssnetlib.dll
28-Feb-2003 01:34 2000.80.778.0 98,872 Xpweb70.dll
Note Because of file dependencies, the most recent hotfix or feature that contains these files may also contain additional files.
WORKAROUND
To work around this problem, you can disable parallelism by using one of the following methods:
- To disable parallelism at the DML statement level, specify an OPTION (MAXDOP 1) statement level hint for the DML statement where the problem occurs.
To disable parallelism for the server, run the following Transact-SQL statement in SQL Query Analyzer:
use master go sp_configure 'max degree of parallelism', '1' go
For more information about the max degree of parallelism option, visit the following Microsoft Web site:
STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.This problem was first corrected in Microsoft SQL Server 2000 Service Pack 4.
Additional query words: overwrite scribble scribbler random corruption assertion exception
Keywords: kberrmsg kbbug kbfix kbqfe kbquery kbhotfixserver KB815183
