IT28340: DSMC.EXE MAY CRASH IF VM IS EMPTY NAME AND/OR EMPTY DISK NAME

APAR status

• Closed as program error.

Error description

• dsmc may crash with crash dump file during executing incremental
  vm backup if VM is empty name and/or empty disk name.
  
  For instance, show vm command output is like below.
  
  (S)398.vmName:
  <========= Empty
         hostAddress:    www.xxx.yyy.zzz
         tsmNodeName:    Nodename
         ....
         resourcePool:   Resources
         VMDK[1]Label:   Hard Disk 1
         VMDK[1]Name:    ''                          <=========
  Empty
         VMDK[1]Status:  Included
  
  The client crashes since client does not know what those vms are
  managed.
  
  Analyzed stack in this case is like below.
  
  dsmc!StrCmp+3
  dsmc!vmDispatchCallback+3fa
  dsmc!DccBackupController::bacDispatcher+84
  dsmc!DccBaPerformanceMonitor::Monitor+186
  dsmc!startThread2+81
  dsmc!startThread+9
  msvcr110!beginthreadex+107
  msvcr110!endthreadex+192
  kernel32!BaseThreadInitThunk+1a
  ntdll!RtlUserThreadStart+1d
  
  
  
  Tivoli Storage Manager Versions affected:
  IBM Spectrum Protect Client all supported version for Windows or
  Linux platforms
  
  
  Initial Impact:
  Medium
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * IBM Spectrum Protect for Virtual Environments Data           *
  * Protection for VMware versions 6.4, 7.1 and  8.1 running on  *
  * all Microsoft Windows x64 and Linux x86 platforms.           *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See ERROR DESCRIPTION                                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * This issue is projected to be fixed in the Data Protection   *
  * for VMware Data Mover version 8.1.8 on Windows x64 and Linux *
  * x86 platforms.                                               *
  * Note 1: This is subject to change at the discretion of IBM.  *
  ****************************************************************
  

Problem conclusion

• VMs with empty names are now excluded.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Modules/Macros

• dsmagent
  

Fix information

• Fixed component name

  TSM CLIENT

• Fixed component ID

  5698ISMCL

Applicable component levels