Symptoms
Assume that you use Microsoft SQL Server 2014 Parallel Data Warehouse (PDW) V2 AU1. When you run concurrent update and Create Table As Select (CTAS) query with limited log space, SQL Server may dump at location (doneLSNs == block->m_pendingPages at PageFlush.cpp:100 ). Additionally, deadlock errors may occur in the SQL Server PDW database.
Resolution
The issue was first fixed in the following cumulative update of SQL Server.
Cumulative Update 2 for SQL Server 2014 /en-us/help/2967546
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.