KB4048942 - FIX: Memory dumps generated for "Stalled IOCP Listener" and "non-yielding IOCP listener" after SQL Server restart

Symptoms

When you restart Microsoft SQL Server, listener memory dumps are generated for Stalled IOCP Listener and non-yielding IOCP listener, followed by memory dumps for Stalled Resource Monitor and Non-yielding Scheduler.

Resolution

This fix is included in the following cumulative udpates for SQL Server:

Cumulative Update 4 for SQL Server 2017

Cumulative Update 6 for SQL Server 2016 Service Pack 1

Service pack information for SQL Server 2016

This issue is fixed in the following service pack for SQL Server:

       Service Pack 2 for SQL Server 2016

About SQL Server builds

Each new build for SQL Server 2016 contains all the hotfixes and security fixes that were in the previous build. We recommend that you install the latest cumulative update for SQL Server:

Latest cumulative update for SQL Server 2017

latest build for SQL Server 2016

Service packs are cumulative. Each new service pack contains all the fixes that are in previous service packs, together with any new fixes. Our recommendation is to apply the latest service pack and the latest cumulative update for that service pack. You do not have to install a previous service pack before you install the latest service pack. Use Table 1 in the following article for finding more information about the latest service pack and latest cumulative update.

How to determine the version, edition and update level of SQL Server and its components

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.

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