Microsoft KB Archive/138603

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FIX: Users Blocking With No Locks Displayed in sp_lock

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Q138603

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The information in this article applies to:


 * Microsoft SQL Server version 6.0

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BUG# NT: 11660 (6.00)

SYMPTOMS
Many users performing queries against tables with non-clustered indexes on symmetric multiprocessing (SMP) computers with more than two processors can get processes blocking each other, but there are no related locks shown by sp_lock. KILLing the blocker may or may not alleviate the problem. This problem is very rare.

RESOLUTION
If KILL fails to alleviate the blocking, shut down and restart SQL Server. The problem is caused by applications issuing many "cancels" and can be alleviated by reducing the number of cancels sent to the server.

STATUS
Microsoft has confirmed this to be a problem in Microsoft SQL Server version 6.0. This problem was corrected in Service Pack 2 for SQL Server version 6.0. For more information, contact your primary support provider.

Additional query words: sql6 blocking sp_lock windows nt

Keywords : kbprogramming

Issue type : kbbug

Technology : kbSQLServSearch kbAudDeveloper kbSQLServ600