Article ID: 272426 - View products that this article applies to.
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BUG #: 18833(SQLBUG_65)
When the FETCH process of a keyset cursor is blocked by another user transaction during lock escalation and is then subsequently released from blocking, the following 1203 error message occurs:
The error message may be followed by "stack overflow" error messages in the errorlog and sometimes the SQL Server server becomes unresponsive.
Caller of lock manager is incorrectly trying to unlock an unlocked object. spid=%d locktype=%d dbid=%d lockid=%Id
When the FETCH process completes, it tries to release the locks that are no longer held due to lock escalation.
Microsoft has confirmed this to be a problem in SQL Server version 6.5. This problem has been corrected in the Post Service Pack 5a Update for Microsoft SQL Server version 6.5. To install the Post Service Pack 5a Update, you must have either SQL Server 6.5 SP5 or SP5a installed.
For information about how to download and install the SQL Server 6.5 Service Pack 5a, refer to the following article in the Microsoft Knowledge Base:
197177If you already have SQL Server 6.5 SP5 or SP5a installed, you can download the Post SP5a Update from the following article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/197177/EN-US/ )INF: How to Obtain SQL Server 6.5 Service Pack 5a
274036For more information, contact your primary support provider.
(http://support.microsoft.com/kb/274036/EN-US/ )INF: How to Obtain SQL Server 6.5 Post Service Pack 5a Update
Article ID: 272426 - Last Review: October 21, 2013 - Revision: 4.0
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