Symptoms
Assume that you run an SQL query that uses the SELECT INTO statement together with the TABLOCKX hint or the TABLOCK hint and the UPDLOCK hint. If the maxdop value is greater than 1, you may receive an error message that resembles the following:
Error: "Transaction (Process ID 72) was deadlocked on lock | communication buffer resources with another process and has been chosen as the deadlock victim. Rerun the transaction."
Resolution
This problem was first fixed in the following cumulative update for SQL Server:
Cumulative Update 6 for SQL Server 2014 Service Pack 1
About cumulative updates for SQL Server
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
Learn about the terminology Microsoft uses to describe software updates.