PJ40971: INCORRECT INFORMATION ON ZDTIM STP INFO COMMAND AFTER CTNID CHANGE.

APAR status

• Closed as program error.

Error description

• See Problem Summary.
  

Local fix

Problem summary

• APAR NUMBER:  PJ40971
  PRODUCT:  z/TPF
  FUNCTIONAL AREA:  CLOCKS
  SHIPPED IN PUT:  10
  
  ABSTRACT:
  Due to PJ36831, command ZDTIM STP INFO may display incorrect
  information.
  
  PACKAGE CONTENTS:
  Source Segments:
  (C) base/cntl/tpf_app_base.cntl
  (C) base/rt/cqbz.asm
  
  Object Only Binaries:
  None.
  
  Configuration Independent Binaries:
  (C) base/obj/cqbz.o
  (C) base/load/CQBZ.so
  
  Support Files:
  base/lst/cqbz.lst
  base/lst/CQBZ.map
  
  OTHER BINARIES TO BUILD: NO
  None.
  
  COMMENTS:
  Command ZDTIM STP INFO obtains Server Time Protocol (STP)
  information from the system clock area memory table. CINFC
  R,CMMCLST points to the system clock area and macro SC0TM
  describes it. The STP information in the system clock area is
  initialized in restart. If the STP configuration changes, STP
  interrupt logic will refresh the system clock area in memory.
  However, if STP interrupts are disabled on z/TPF, changes to
  the STP configuration are not reflected in the system clock
  area in memory.
  
  On a processor that has STP enabled, z/TPF will disable STP
  interrupts for the LPAR when the TOD clock on that LPAR is
  local. When command ZATIM xxxx TOD GOOD or ZATIM xxxx TOD GOOD
  SSTP or ZATIM xxxx LOCAL is used, the TOD clock will be local
  on the LPAR where the command was input and STP interrupts will
  be disabled. Therefore, when one of these commands are used,
  the system clock area may not have current STP information and
  ZDTIM STP INFO may display old information.
  

Problem conclusion

• SOLUTION:
  Command ZDTIM STP INFO has been updated. First, the system
  clock area is refreshed with the most current STP configuration
  information. Next, information for command ZDTIM STP INFO is
  obtained and displayed.
  
  COREQS: NO
  None.
  
  MIGRATION CONSIDERATIONS: NO
  None.
  
  BUILD COMMANDS AND INSTRUCTIONS: YES
  #maketpf commands for linux
  maketpf -f CQBZ cqbz.o
  maketpf CQBZ link
  
  UPDATED INFORMATION UNITS: NO
  None.
  
  See your IBM representative if you need additional information.
  
  DOWNLOAD INSTRUCTIONS:
  http://www.ibm.com/software/htp/tpf/maint/maintztpf.html
  
  APAR URL:
  http://www.ibm.com/software/htp/tpf/ztpfmaint/put10/PJ40971.htm
  

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

  Z/TPF

• Fixed component ID

  5748T1501

Applicable component levels

• R110 PSY

     UP