KB4580413 - FIX: Deadlock occurs between Availability Group Configuration and Replica Transport State Lock in SQL Server 2019

Applies to: SQL Server 2019 on LinuxSQL Server 2019 on Windows

Symptoms


When you use Microsoft SQL Server 2019, a deadlock occurs between Availability Group Configuration Mutex (HADR_AG_MUTEX) and Replica Transport State Lock. 

Status


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. 

Resolution


This issue is fixed in the following cumulative update for SQL Server:
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:

References


Learn about the terminology that Microsoft uses to describe software updates.