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SMCoreServiceHost.exe crashes due to Access Violation

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Applies to

  SnapCenter 4.1P2

Issue

SMCoreServiceHost.exe crashes with the following stack trace due to Access Violation.

Example:

Log Name:      Application
Source:        .NET Runtime
Date:          5/20/2020 1:33:31 AM
Event ID:      1026
Task Category: None
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      HOSTNAME
Description:
Application: SMCoreServiceHost.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.AccessViolationException
Stack:
   at System.Runtime.InteropServices.Marshal.PtrToStructureHelper(IntPtr, System.Object, Boolean)
   at System.Runtime.InteropServices.Marshal.PtrToStructure(IntPtr, System.Object)
   at SnapDrive.HostUtilities.Scsi.ScsiService.sendSCSI(System.String, Int32 ByRef, SnapDrive.HostUtilities.Scsi.ScsiPassThroughWithBuffers ByRef, System.TimeSpan ByRef)
   at SnapDrive.HostUtilities.Scsi.ScsiService.IsNetAppLun(System.String)
   at SnapDrive.HostUtilities.Vds.VdsDisk.get_IsNetAppDisk()
   at SnapDrive.HostUtilities.DiskDiscovery.DiskService.GetDiskResource(SnapDrive.HostUtilities.Vds.VdsDisk)
   at SnapDrive.HostUtilities.DiskDiscovery.DiskService.GetDiskResources(System.Collections.Generic.IEnumerable`1<SnapDrive.HostUtilities.Vds.VdsDisk>)
   at SnapDrive.HostUtilities.DiskDiscovery.DiskService.GetAllDiskInfo()
   at SnapDrive.Nsf.Core.Discovery.VdsToStorageResolver.GetResourceObjectGraphs(System.String, System.Collections.Generic.IEnumerable`1<SMCoreContracts.SDStorageSystemId>, SMCoreContracts.StorageSystemOSType ByRef, System.Collections.Generic.Dictionary`2<SMCoreContracts.SDStorageResource,SMCoreContracts.SDStorageObjectGraph> ByRef)
   at SnapDrive.Nsf.Core.Discovery.StorageResolver.GetResourceObjectGraphs(System.String, System.Collections.Generic.IEnumerable`1<SMCoreContracts.SDStorageSystemId>, SMCoreContracts.StorageSystemOSType ByRef, System.Collections.Generic.Dictionary`2<SMCoreContracts.SDStorageResource,SMCoreContracts.SDStorageObjectGraph> ByRef, Boolean)
   at SnapDrive.Nsf.Core.Discovery.HostFileSystemToStorageResolver.GetResources(System.String, System.Collections.Generic.IEnumerable`1<SMCoreContracts.SDStorageSystemId>, Boolean, Boolean, Boolean)
   at SnapDrive.Nsf.Core.SANReplicationStrategy.PrepareForReplication(SMCoreContracts.SDSnapmirrorUpdateRequest)
   at SnapDrive.Nsf.Core.ReplicationManager.SDSnapmirrorUpdate(SMCoreContracts.SDSnapmirrorUpdateRequest)
   at SnapDrive.Nsf.ServiceProviders.SDSnapRemoteServiceProvider.SDSnapmirrorUpdate(SMCoreContracts.SDSnapmirrorUpdateRequest)
   at SnapMgrCoreService.Workflows.Activities.ReplicationHelper.UpdateSnapmirror(SMCoreContracts.SDSnapmirrorUpdateRequest)
   at SnapMgrCoreService.Workflows.Activities.StorageReplicationHelper.SalUpdateSnapMirrorWithRetry(System.Collections.Generic.List`1<SnapMgrCoreService.Protection.SnapMirrorUpdateStatus>, SMCoreContracts.RelationShipType, Int32, Int32, SnapMgrContracts.Workflow.SmWorkflowContext)
   at SnapMgrCoreService.Workflows.Activities.Common.EnhancedReplicationActivity.UpdateSnapMirror(System.Collections.Generic.List`1<System.Linq.IGrouping`2<SnapMgrCoreService.Workflows.Activities.Common.SnapshotInfo,SnapMgrCoreService.Workflows.Activities.Common.SnapshotToSmObjectMapping>>, System.Collections.Generic.List`1<SMCoreContracts.SnapMirrorRelationshipStatus>, Int32, SnapMgrCoreService.Workflows.Activities.StorageReplicationHelper, SMCoreContracts.RelationShipType, SnapMgrContracts.Workflow.SmWorkflowContext)
   at SnapMgrCoreService.Workflows.Activities.Common.EnhancedReplicationActivity.Execute(SnapMgrContracts.Workflow.SmWorkflowContext, SMCoreContracts.SmRequest)
   at SnapMgrCoreService.SmJobActivity.Execute(SnapMgrContracts.Workflow.SmWorkflowContext, SMCoreContracts.SmRequest)
   at SnapMgrCoreService.Workflows.SmJobWorkflow.Execute(SMCoreContracts.SmRequest)
   at SnapMgrCoreService.BackupHandler.Execute(SMCoreContracts.SmRequest)
   at SnapMgrCoreService.SmJobManagerConsumer.Execute(SMCoreContracts.SmRequest)
   at JobManager.SmJobManager.ExecuteAndUpdateQueue(SMCoreContracts.SmRequest)
   at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
   at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
   at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object)
   at System.Threading.ThreadHelper.ThreadStart()

 

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