Symptoms
When you look in the sys.dm_os_wait_stats view or other dynamic management views (DMVs) in SQL Server 2017 and Microsoft SQL Server 2016, you may find the CXPACKET wait type. However, when you capture the execution plan (showplan XML) for queries, you find that the CXPACKET wait isn't included.
For more information about CXPACKET waits, see sys.dm_os_wait_stats.
Resolution
Cumulative Update Information for SQL Server:
This issue is fixed in the following cumulative update 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:
Service pack information for SQL Server 2016
This issue is fixed in the following service pack for SQL Server:
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 terminologythat Microsoft uses to describe software updates.