Symptoms
Assume that you use SQL Server 2017. It may generate core dump with "Failed to monitor external signals" error message that resembles the following:
This program has encountered a fatal error and cannot continue running.
The following diagnostic information is available:
Reason: 0x00000007
Message: Failed to monitor external signals
Process: ProcessId- sqlservr
Thread: ThreadId (application thread 0x1000)
Instance Id: InstanceId
Crash Id: CrashId
Build stamp: BuildStampId
Capturing core dump and information...
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.
