IV00076: TIMING ERRORS WITH NCP_PERL CAN CAUSE CORE DUMPS

IBM Tivoli Network Manager IP 3.8.0 Fix Pack 7, 3.8.0-TIV-ITNMIP-FP0007

APAR status

• Closed as program error.

Error description

• Product: Network Manager IP
  Version: 3.8
  Component: ncp_perl
  
  Symptoms:
  core files are generated by ncp_perl.
  
  Diagnosis:
  Use the file command on Unix to determine the binary that
  created the core file, Description:
  
  file core
  
  The output will name  ncp_perl as the binary that generated the
  core file.
  
  If installed, run the gdb tool against the core file,
  
  source $NCHOME/env.sh
  gdb  $NCHOME/precision/platform/<arch>/bin/ncp_perl
  <full_path_to_core_file>
  
  Once you have the (gdb) prompt type where
  
  (gdb) where
  
  If the output reports either of the following lines, then it is
  likely that the core was generated as a result of this APAR.
  
  #21 0x00350c19 in CRivRvNet (this=0x8a25dd0, _m_Latency=0,
  _m_Domain=0x0) at CRivRvNet.cc:176
  
  In the above, the salient indicator is "m_Domain=0x0"
  
  #0  0xf7e82688 in vtable for __cxxabiv1::__class_type_info ()
  from /usr/lib/libstdc++.so.5
  #1  0xf7d31178 in CMOMRvTimer::OnTimer (closure=0x8ab6038,
  id=0xf7d67380) at CMOMRvTimer.cc:359
  #2  0xf7d522a2 in _rv_timLst_CheckTimers ()
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * 3.8 all platforms                                            *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * ncp_perl generates cores intermittently                      *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * install APAR IV00076                                         *
  ****************************************************************
  

Problem conclusion

• | fix pack | 3.8.0-ITNMIP-FP0006
  

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

  NC/PREC DISCOVY

• Fixed component ID

  5724O52DS

Applicable component levels

• R380 PSN

     UP

• R380 PSY

     UP