APAR status
Closed as program error.
Error description
Access to each list of entries in the data dictionary cache is regulated by a number of mutexes named "bld ref constraint." In some circumstances there may be a problem in gaining access to the mutex which goes unnoticed. If this occurs the potential exists to unlock a bld ref constraint mutex that should not be unlocked or to modify unrelated memory. In the former case another thread may subsequently be blocked waiting for the mutex to become available when it in reality it has no owner. This may be seen in the output of the "onstat -g lmx" or "onstat -g wmx" commands where threads will be seen waiting on a mutex that has a lkcnt value of -1. This problem can only occur in versions that include the fix for IC95989 which was first fixed in versions 11.70.xC7W3 and 12.10.xC3.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: * * Those using foreign key constraints in extremely busy * * systems. * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * * For versions not containing a fix to IC95989, this issue * * would manifest as an abend rather than a hang. * **************************************************************** * RECOMMENDATION: * * Update to IDS-11.70.xC9 * ****************************************************************
Problem conclusion
Problem Fixed In IDS-11.70.xC9
Temporary fix
Comments
APAR Information
APAR number
IT00678
Reported component name
INFORMIX SERVER
Reported component ID
5725A3900
Reported release
B70
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2014-03-28
Closed date
2017-06-09
Last modified date
2024-09-24
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
[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSGU8G","label":"Informix Servers"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"B70","Line of Business":{"code":"LOB10","label":"Data and AI"}}]
Document Information
Modified date:
24 September 2024