IT33445: AIO VP KEEPS LIBRARY LOADED EVEN AFTER FUNCTION MODULE IS UNLOADED

APAR status

• Closed as program error.

Error description

• Create function UDR.
  
  bash-4.4$ onstat -g dll
  IBM Informix Dynamic Server Version 14.10.FC3DE -- On-Line -- Up
  00:03:27 -- 291664 Kbytes
  Datablades:
  addr             slot vp baseaddr         flags   filename
  
  Execute function UDR:
  
  bash-4.4$ onstat -g dll
  IBM Informix Dynamic Server Version 14.10.FC3DE -- On-Line -- Up
  00:05:56 -- 291664 Kbytes
  Datablades:
  addr             slot vp baseaddr         flags   filename
  7000000200881d8  2    1  9000000033c5000  --
  {INFORMIXDIR}/bin/myudr.so
  70000002114a1d8       2  9000000033c5000
  70000002119c1d8       3  0
  7000000211c61d8       4  0
  7000000211f01d8       5  0
  70000002122a1d8       6  0
  7000000212541d8       7  0
  
  bash-4.4$ sudo genld -l |  grep myudr
    9000000033c5000     427
  {INFORMIXDIR}/bin/myudr.so
    9000000033c5000     427
  {INFORMIXDIR}/bin/myudr.so
  
  Add AIO VP Class:
  
  bash-4.4$ onmode -p 1 aio
  
  bash-4.4$ onstat -g dll
  IBM Informix Dynamic Server Version 14.10.FC3DE -- On-Line -- Up
  00:08:01 -- 291664 Kbytes
  Datablades:
  addr             slot vp baseaddr         flags   filename
  7000000200881d8  2    1  9000000033c5000  --
  {INFORMIXDIR}/bin/myudr.so
  70000002114a1d8       2  9000000033c5000
  70000002119c1d8       3  0
  7000000211c61d8       4  0
  7000000211f01d8       5  0
  70000002122a1d8       6  0
  7000000212541d8       7  0
  700000021f1a1d8       8  9000000033c5000
  
  bash-4.4$ sudo genld -l |  grep myudr
    9000000033c5000     427
  {INFORMIXDIR}/bin/myudr.so
    9000000033c5000     427
  {INFORMIXDIR}/bin/myudr.so
    9000000033c5000     427
  {INFORMIXDIR}/bin/myudr.so
  
  Unload Function module still in genld output the library will be
  in loaded state:
  
  bash-4.4$ six onstat -g dll
  IBM Informix Dynamic Server Version 14.10.FC3DE -- On-Line -- Up
  00:12:42 -- 291664 Kbytes
  Datablades:
  addr             slot vp baseaddr         flags   filename
  
  bash-4.4$ sudo genld -l |  grep myudr
    9000000033c5000     427
  {INFORMIXDIR}/bin/myudr.so
  
  bash-4.4$ sudo /usr/sbin/slibclean
  bash-4.4$ sudo genld -l |  grep myudr
    9000000033c5000     427
  {INFORMIXDIR}/bin/myudr.so
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * Users of Informix Server prior to 14.10.xC5.                 *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See Error Description                                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Update to Informix Server 14.10.xC5.                         *
  ****************************************************************
  

Problem conclusion

• Fixed in Informix Server 14.10.xC5.
  

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

  INFORMIX SERVER

• Fixed component ID

  5725A3900

Applicable component levels