IBM Support

IT21055: SERVER CAN CRASH DURING LANFREE SESSION ACTIVITY.

Subscribe

You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • During lanfree session activity, the server can crash with no
    errors reported in the activity log or dsmserv.err/dsmsvc.err
    files.
    
    
    getcoreinfo.txt on Linux will show stacks similar to the
    following:
    (each one is from a different occurance of the crash happening)
    
    #0  0x0000003d540093a0 in pthread_mutex_lock
    #1  0x000000000113f12e in pkAcquireMutexTracked
    #2  0x0000000000c1f994 in DbiParticipate
    #3  0x0000000000c33d18 in tbOpenX
    #4  0x0000000000f8324c in asGetVolInfo
    #5  0x0000000000ed8f55 in SendAttrResp
    #6  0x0000000000edd133 in smServerGetLFAttrs
    #7  0x0000000000e7710c in SmDatabaseServerSession
    #8  0x0000000000dccf0c in DoDbServer
    #9  0x0000000000dd0095 in smExecuteSession
    #10 0x00000000011544fe in psSessionThread
    #11 0x000000000113d012 in StartThread
    #12 0x0000003d540079d1 in start_thread
    #13 0x0000003d538e88fd in clone
    
    #0  0x0000003d540093a0 in pthread_mutex_lock
    #1  0x000000000113f12e in pkAcquireMutexTracked
    #2  0x0000000000c33f29 in tbOpenX
    #3  0x0000000000f63cf5 in FetchVolAttr
    #4  0x0000000000f6dd77 in asFetchVolAttr
    #5  0x0000000000ed9095 in SendAttrResp
    #6  0x0000000000edd133 in smServerGetLFAttrs
    #7  0x0000000000e7710c in SmDatabaseServerSession
    #8  0x0000000000dccf0c in DoDbServer
    #9  0x0000000000dd0095 in smExecuteSession
    #10 0x00000000011544fe in psSessionThread
    #11 0x000000000113d012 in StartThread
    #12 0x0000003d540079d1 in start_thread
    #13 0x0000003d538e88fd in clone
    
    #0  0x0000003d53832625 in raise
    #1  0x0000003d53833e05 in abort
    #2  0x000000000114d725 in PsAbortServer
    #3  0x000000000113c3d7 in pkAbort
    #4  0x000000000113eec1 in pkDestroyMutex
    #5  0x000000000101e645 in tmDiscardTxn
    #6  0x000000000101ce51 in tmAbortX
    #7  0x0000000000e612d8 in AbortStaTxn
    #8  0x0000000000e77e92 in DoEndTransaction
    #9  SmDatabaseServerSession
    #10 0x0000000000dccf0c in DoDbServer
    #11 0x0000000000dd0095 in smExecuteSession
    #12 0x00000000011544fe in psSessionThread
    #13 0x000000000113d012 in StartThread
    #14 0x0000003d540079d1 in start_thread
    #15 0x0000003d538e88fd in clone
    
    
    This was previously addressed in IT16002, but the server can
    still crash during lanfree activity.
    
    
    IBM Spectrum Protect versions affected:
    Server 7.1.7.x and higher, and 8.1.x and higher on all supported
    platforms
    
    | MDVPARTL 7.1.7.0-TIV_5698MSV | (IT16002)
    
    Initial Impact: Medium
    
    Additional Keywords:  TSM IBM Spectrum Protect  abend crash dump
    core lanfree stgagent 136168
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All IBM Spectrum Protect for Storage Area Networks and       *
    * Tivoli Storage Manager for Storage Area Networks server      *
    * users.                                                       *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See error description.                                       *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Apply fixing level of the server when available. It is not   *
    * necessary to update the storage agent to resolve this        *
    * problem. This problem is currently projected to be fixed in  *
    * levels 7.1.8 and 8.1.2. Note that this is subject to change  *
    * at the discretion of IBM.                                    *
    ****************************************************************
    

Problem conclusion

  • This problem was fixed.
    Affected platforms for reported release:  AIX, HP-UX, Solaris,
    Linux, and Windows.
    Platforms fixed:  AIX, HP-UX, Solaris, Linux, and Windows.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT21055

  • Reported component name

    TSM SERVER

  • Reported component ID

    5698ISMSV

  • Reported release

    81L

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2017-06-16

  • Closed date

    2017-06-22

  • Last modified date

    2017-06-22

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

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

Fix information

  • Fixed component name

    TSM SERVER

  • Fixed component ID

    5698ISMSV

Applicable component levels

  • R71A PSY

       UP

  • R71H PSY

       UP

  • R71L PSY

       UP

  • R71S PSY

       UP

  • R71W PSY

       UP

  • R81A PSY

       UP

  • R81L PSY

       UP

  • R81W PSY

       UP



Document information

More support for: Tivoli Storage Manager

Software version: 81L

Reference #: IT21055

Modified date: 22 June 2017