IT21055: SERVER CAN CRASH DURING LANFREE SESSION ACTIVITY.

8.1.2.000-IBM-SPSRV-AIX
8.1.2.000-IBM-SPSRV-Linuxppc64le
8.1.2.000-IBM-SPCMS-Linuxx86_64
8.1.2.000-IBM-SPCMS-WindowsI32
8.1.2.000-IBM-SPSRV-Linuxs390x
8.1.2.000-IBM-SPCMS-WindowsX64
8.1.2.000-IBM-SPSRV-Linuxx86_64
8.1.2.000-IBM-SPSRV-WindowsX64
8.1.2.000-IBM-SPOC-AIX
8.1.2.000-IBM-SPOC-LinuxPPC64le
8.1.2.000-IBM-SPOC-Linuxs390x
8.1.2.000-IBM-SPOC-Linuxx86_64
8.1.2.000-IBM-SPOC-WindowsX64
IBM Spectrum Protect Server V8.1 Fix Pack 2 (V8.1.2) Downloads
IBM Spectrum Protect Server V7.1 Fix Pack 8 (7.1.8.000) Downloads

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 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