APAR status
Closed as program error.
Error description
Error Message: GC Assertion message: MM_ParallelScavengeTask at <address> from synchronizeGCThreadsAndReleaseMaster: call from (ParallelScavenger.cpp:xxxx), expected (ParallelScavenger.cpp:xxxx) . Stack Trace: N/A .
Local fix
Increase heap size to avoid scavenger back outs.
Problem summary
The garbage collector will encounter an assertion during scavenger back out due to a missing synchronization point.
Problem conclusion
The garbage collector has been modified to include an additional synchronization point. . This APAR will be fixed in the following Java Releases: 7 R1 SR3 FP50 (7.1.3.50) 8 SR3 FP10 (8.0.3.10) . Contact your IBM Product's Service Team for these Service Refreshes and Fix Packs. For those running stand-alone, information about the available Service Refreshes and Fix Packs can be found at: https://www.ibm.com/developerworks/java/jdk/
Temporary fix
Comments
APAR Information
APAR number
IV87982
Reported component name
J9 COMMON CODE
Reported component ID
620700127
Reported release
260
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2016-08-12
Closed date
2016-08-12
Last modified date
2017-12-11
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
J9 COMMON CODE
Fixed component ID
620700127
Applicable component levels
R260 PSY
UP
R270 PSY
UP
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Document Information
Modified date:
21 February 2022