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IT24797: 8.1.4.0 DATA MOVER CLIENT CRASH DURING VM BACKUP

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • During backup VM processing, the data mover client can crash
    during memory deallocation processing.
    
    The call stack (here: on Linux) will look like the following :
    
    #1  0x0000003bd6a368c8 in abort () from /lib64/libc.so.6
    #2  0x00000000006f035f in psTrapHandler(int) ()
    #3  <signal handler called>
    #4  0x000000000070cbe9 in delete_LinkedList(LinkedList_t*) ()
    #5  0x00000000008ea3dd in
    vmProcessExtentData_t::~vmProcessExtentData_t() ()
    #6  0x0000000000b951e2 in ioQEntry::~ioQEntry() ()
    #7  0x0000000000b954b2 in iomEntry_t::~iomEntry_t() ()
    #8  0x0000000000b9b514 in
    OverlappedIOMonitor::ReleaseFinishedDisks() ()
    #9  0x0000000000ba1151 in OverlappedIOMonitor::Monitor() ()
    #10 0x0000000000ba127e in OverlappedIOMonitor::Run(void*) ()
    #11 0x0000000000ba2140 in OverlappedIOMonitor::DoThread(void*)
    ()
    #12 0x0000000000ba21b3 in callDoIOMThread2(void*) ()
    #13 0x00000000006dcda7 in startThread2(Threadstart*) ()
    #14 0x00000000006dcddc in startThread(Threadstart*) ()
    #15 0x0000003bd6607dc5 in start_thread () from
    /lib64/libpthread.so.0
    #16 0x0000003bd6af773d in clone () from /lib64/libc.so.6
    
    IBM Spectrum Protect Versions Affected:
    IBM Spectrum Protect for Virtual Environments - Data protection
    for VMware 8.1.4 and higher on Linux and Windows
    
    | MDVREGR 8.1.4-TIV_5725TVEVM |
    
    Products affected:
    IBM Spectrum Protect for Virtual Environments: Data Protection
    for VMware version 8.1.4 and higher on Microsoft Windows x64 and
    Linux x86_64 platforms.
    
    IBM Spectrum Protect for Virtual Environments: Data Protection
    for Microsoft Hyper-V version 8.1.4 and higher on Microsoft
    Windows x64 platforms.
    
    If you are using Data Protection for VMware version 8.1.4 and
    higher refer to APAR IT23736.
    
    Initial Impact: High
    
    Additional Keywords: tdp4ve tsm4ve crash memory 155909
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * Data Protection for Microsoft Hyper-V Data Mover version     *
    * 8.1.4 running on Microsoft Windows x64 platform.             *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See ERROR DESCRIPTION.                                       *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Apply fixing level when available. This problem is currently *
    * projected to be fixed in levels 8.1.4.2 and 8.1.6. Note that *
    * this is subject to change at the discretion of IBM.          *
    ****************************************************************
    

Problem conclusion

  • Due to  a problem with memory management in Spectrum Protect for
    Virtual Environment the backup process can occasionally crash.
    The problem appearance is inconsistent.
    The memory management problem has been fixed and the crash no
    longer occurs.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT24797

  • Reported component name

    TSM VE DP MS HY

  • Reported component ID

    5725TVEHV

  • Reported release

    81W

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2018-04-20

  • Closed date

    2018-04-20

  • Last modified date

    2018-06-04

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

    IT23736

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

Modules/Macros

  • dsmc
    

Fix information

  • Fixed component name

    TSM VE DP MS HY

  • Fixed component ID

    5725TVEHV

Applicable component levels

  • R81W PSY

       UP

[{"Line of Business":{"code":"LOB26","label":"Storage"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SS8TDQ","label":"Tivoli Storage Manager for Virtual Environments"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"81W"}]

Document Information

Modified date:
27 September 2021