APAR status
Closed as program error.
Error description
Error Message: A dump event "traceassert" is received in a system when the calling process's virtual address space is locked into RAM. . Stack Trace: The native stack trace looks like this: j9dump_create () doSystemDump () j9sig_protect () runDumpFunction () runDumpAgent () triggerDumpAgents () doTracePoint () j9Trace () j9vmem_decommit_memory () MM_VirtualMemory::decommitMemory () MM_PhysicalSubArenaVirtualMemoryFlat::contract () MM_MemorySubSpace::contract () MM_MemorySubSpaceUniSpace::performContract () MM_MemorySubSpaceUniSpace::performResize () MM_ParallelGlobalGC::cleanupAfterGC () MM_ParallelGlobalGC::masterThreadGarbageCollect () MM_ConcurrentGC::internalGarbageCollect () MM_Collector::garbageCollect () . The following traces can be found in the Snap trace: j9prt.1296 Exception * j9vmem_decommit_memory failed with platform specific error code=22 at address=0xdc000000 byteAmount=917504 j9prt.504 Assert * ** ASSERTION FAILED ** at linux/j9vmem.c:321: ((0 == result))
Local fix
This issue can be worked around if the value of -Xms is set to the same as that of -Xmx.
Problem summary
The problem is caused when a process's virtual address space is de-committed while it is locked.
Problem conclusion
The JVM has been updated to prevent the assertion failure when the process's virtual address space is locked. . This APAR will be fixed in the following Java Releases: 7 R1 SR3 FP20 (7.1.3.20) 8 SR2 (8.0.2.0) . 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
IV75651
Reported component name
J9 COMMON CODE
Reported component ID
620700127
Reported release
270
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2015-07-31
Closed date
2015-07-31
Last modified date
2015-07-31
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
R270 PSY
UP
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Document Information
Modified date:
21 February 2022