IT42164: IBM SPECTRUM PROTECT SERVER MAY CRASH WHEN SHOW THREADS IS ISSUED.

8.1.17.000-IBM-SPOC-WindowsX64
8.1.17.000-IBM-SPOC-Linuxx86_64
8.1.17.000-IBM-SPOC-Linuxs390x
8.1.17.000-IBM-SPOC-LinuxPPC64le
8.1.17.000-IBM-SPOC-AIX
8.1.17.000-IBM-SPSRV-WindowsX64
8.1.17.000-IBM-SPSRV-Linuxx86_64
8.1.17.000-IBM-SPSRV-Linuxs390x
8.1.17.000-IBM-SPSRV-Linuxppc64le
8.1.17.000-IBM-SPSRV-AIX
8.1.16.100-IBM-SPSRV-WindowsX64
8.1.16.100-IBM-SPSRV-Linuxx86_64
8.1.16.100-IBM-SPSRV-Linuxs390x
8.1.16.100-IBM-SPSRV-Linuxppc64le
8.1.16.100-IBM-SPSRV-AIX
8.1.15.100-IBM-SPSRV-WindowsX64
8.1.15.100-IBM-SPSRV-Linuxx86_64
8.1.15.100-IBM-SPSRV-Linuxs390x
8.1.15.100-IBM-SPSRV-Linuxppc64le
8.1.15.100-IBM-SPSRV-AIX

APAR status

• Closed as program error.

Error description

• Starting with version 8.1.15.000, the IBM Spectrum Protect
  Server crashes with these symptoms when the show threads is
  issued via servermon or command line.
  
  
  The stack of the crash will show:
  
  
  /opt/tivoli/tsm/server/bin # dbx dsmserv
  /tsmstorage1/dir1/core.23593280.21021833
  
  Type 'help' for help.
  
  [using memory image in
  /tsmstorage1/dir1/core.23593280.21021833]
  
  reading symbolic information ...warning: no source compiled
  with -g
  
  Segmentation fault in walkBytecodeFrame@AF24_10 at line 961 in
  file "" ($t361)
  
  could not read "swalk.c"
  
  
  (dbx) where
  
  walkBytecodeFrame@AF24_10(??, ??), line 961 in "swalk.c"
  
  walkStackFrames(??, ??), line 311 in "swalk.c"
  
  getStackTraceForThread(??, ??, ??), line 53 in
  "getstacktrace.c"
  
  Java_java_lang_Thread_getStackTraceImpl(??, ??), line 342 in
  "thread.cpp"
  
  .() at 0x130a1d6d4
  
  runCallInMethod(??, ??, ??, ??, ??), line 1123 in "callin.cpp"
  
  gpCheckCallin(??, ??, ??, ??, ??), line 301 in "jnicsup.cpp"
  
  callStaticObjectMethod(0x12bac4a60, 0x0, 0x14456ef38,
  0x9001000a1b24548, 0x7d, 0x40, 0x7d, 0xbcd6de4d9d41cc0), line
  413 in "jnicgen.c"
  
  jvmGetThreads(??) at 0x10012c89c
  
  AdmShow(??) at 0x10156a5cc
  
  AdmCommandLocal(??, ??, ??, ??, ??) at 0x100ac7f34
  
  admCommand(??, ??, ??, ??, ??) at 0x100ac4734
  
  RunCommand(??, ??, ??) at 0x10139ff20
  
  ServerMonTenMinThread(??) at 0x1013983a0
  
  StartThread(0x0) at 0x10001156c
  
  (dbx)
  
  
  This is a java issue, related to this JAVA APAR IJ40445
  
  
  https://www.ibm.com/support/pages/apar/IJ40445
  

Local fix

• Do not run the SHOW THREADS command.
  
  Disable SHOW THREADS in commands.ini file with hash sign (#)
  and restart the instance.
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * All IBM Spectrum Protect server users.                       *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See error description.                                       *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Apply fixing level when available. This problem is currently *
  * projected to be fixed in levels 8.1.15.100, 8.1.16.100, and  *
  * 8.1.17. Note that this is subject to change at the           *
  * discretion of IBM.                                           *
  ****************************************************************
  

Problem conclusion

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