IT14072: TIVOLI STORAGE MANAGER 7.1.4 B/A CLIENT MAY CRASH BACKING UP VMWARE OR HYPER-V MACHINES IF TRACE IS ACTIVE

IBM Spectrum Protectâ„¢ Client 7.1.6 Downloads and READMEs

APAR status

• Closed as program error.

Error description

• When running a backup of a VMware or Hyper-V Virtual Machine,
  the dsmc Client process may crash with the following stack if
  tracing is enabled:
  
  00007ff6`7a6f5ea0 00007ff9`478f43b8 :
  msvcr110!vswprintf_helper+0x9d
  00000000`00000000 00000000`00000000 :msvcr110!vswprintf_c_l+0x28
  00000000`000015d4 00000000`000015d4 : dsmagent!pkVsprintf+0x8b
  00000000`00000001 00007ff9`47936338 : dsmagent!trVPrintf+0x97
  00000000`00000001 00007ff6`7a6f5ea0 :
  dsmagent!TRACE_VA<wchar_t>+0x36
  000000fd`ced25610 00000000`00000000 :
  dsmagent!VmVerifyStartAllDisks+0x52
  000000fd`cbe51240 000000fd`cbd78db0 :
  dsmagent!vmVddkBackupVM+0x5ef
  00007ff6`7a4610f0 00000000`ffffffff : dsmagent!vmBackupVM+0x61
  00000000`0000008c 00000000`00000000 : dsmagent!tlVMSend+0x136
  000000fd`cbe6bf40 000000fd`cbe6bf40 :
  dsmagent!DccTxnConsumer::HandleQueue+0x76e
  00000000`00000000 000000fd`cbd78a00 :
  dsmagent!DccTxnConsumer::Run+0x6a2
  000000fd`caca27d0 00000000`00000000 :
  dsmagent!DccTxnConsumer::DoThread+0xc4
  000000fd`cbeaad30 00000000`00000000 : dsmagent!startThread2+0x81
  00000000`00000000 00000000`00000000 : dsmagent!startThread+0x9
  00000000`00000000 00000000`00000000 :
  msvcr110!beginthreadex+0x107
  00000000`00000000 00000000`00000000 : msvcr110!endthreadex+0x192
  00000000`00000000 00000000`00000000 :
  kernel32!BaseThreadInitThunk+0x22
  
  
  
  Tivoli Storage Manager Versions Affected:
  All Tivoli Storage Manager B/A Client v.7.1.4 on Windows x64 and
  Linux x86 platforms
  
  | MDVREGR 7.1.4-TIV-TSMBAC |
  
  
  
  Initial Impact:
  Medium
  
  
  
  Additional Keywords:
  TSM trace spectrum protect 714 crash core .dmp dsmagent!TRACE_VA
  msvcr110! backup VM
  

Local fix

• If tracing is needed, then run it without the ENTER trace flag
  by using the following syntax
  
  In dsm.opt:
  traceflags service,-enter
  
  On command line:
  dsmc [...] -traceflags=service,-enter
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * Users of the following products on all Microsoft Windows x64 *
  * and Linux x86_64 platforms:                                  *
  * - Spectrum Protect for Virtual Environments component Data   *
  * Protection for Hyper-V version 7.1.4                         *
  * - Spectrum Protect for Virtual Environments component Data   *
  * Protection for VMware version 7.1.4                          *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See ERROR DESCRIPTION                                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * This issue is projected to be fixed in the Spectrum Protect  *
  * Client on Windows x64 and Linux x86_64  in level 7.1.6       *
  * Note 1: The Spectrum Protect Client is a prerequisite to     *
  * using the Data Protection for VMware. In Data Protection for *
  * VMware environments, the Spectrum Protect Client is also     *
  * known as the data mover.                                     *
  * Note 2: The Spectrum Protect Client is a prerequisite to     *
  * using the Data Protection for Hyper-V. In Data Protection    *
  * for Hyper-V environments, the Spectrum Protect Client is     *
  * also known as the data mover.                                *
  * Note 3: This is subject to change at the discretion of IBM.  *
  ****************************************************************
  

Problem conclusion

• The trace message has been corrected and no longer causes crash
  after enablaling tracing.
  

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 dsm
  

Fix information

• Fixed component name

  TSM CLIENT

• Fixed component ID

  5698ISMCL

Applicable component levels

• R71W PSY

     UP

• R71L PSY

     UP