FIX: A deadlock occurs when you alter a partition and run a statement against the partition at the same time in SQL Server 2008 R2

Microsoft distributes Microsoft SQL Server 2008 R2 Service Pack 1 (SP1) fixes as one downloadable file. Because the fixes are cumulative, each new release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 R2 Service Pack 1 (SP1) fix release.
Symptoms
Assume that you have Microsoft SQL Server 2008 R2 installed on a computer. When you try to alter a partition and run a statement against the partition at the same time, a deadlock occurs intermittently on a lock of a metadata resource. For example, a deadlock occurs intermittently when you run a SELECT or INSERT statement against the partition.

Note The deadlock occurs between an Sch-M lock in the ALTER PARTITION statement and an Sch-S lock in the other statement.
Cause
This issue occurs because SQL Server uses incorrect locks for the partition.
Resolution

Cumulative update information

SQL Server 2008 R2 Service Pack 2

The fix for this issue was first released in Cumulative Update 1 for SQL Server 2008 R2 Service Pack 2. For more information about how to obtain this cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:
2720425 Cumulative Update package 1 for SQL Server 2008 R2 Service Pack 2
Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 R2 fix release. We recommend that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
2730301 The SQL Server 2008 R2 builds that were released after SQL Server 2008 R2 Service Pack 2 was released

SQL Server 2008 R2 SP1

The fix for this issue was first released in Cumulative Update 7. For more information about how to obtain this cumulative update package for SQL Server 2008 R2 Service Pack 1, click the following article number to view the article in the Microsoft Knowledge Base:
2703282 Cumulative update package 7 for SQL Server 2008 R2 SP1
Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 R2 Service Pack 1 fix release. We recommend that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
2567616 The SQL Server 2008 R2 builds that were released after SQL Server 2008 R2 SP1 was released
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
More information
For more information about resource lock modes, go to the following MSDN website:
Properties

Article ID: 2713501 - Last Review: 08/01/2012 11:48:00 - Revision: 4.0

Microsoft SQL Server 2008 R2 Datacenter, Microsoft SQL Server 2008 R2 Developer, Microsoft SQL Server 2008 R2 Enterprise, Microsoft SQL Server 2008 R2 Standard, Microsoft SQL Server 2008 R2 Web, Microsoft SQL Server 2008 R2 Workgroup

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