Steffan Friberg reported that he experienced the following crash while doing some G1 performance runs: # # There is insufficient memory for the Java Runtime Environment to continue. # Native memory allocation (malloc) failed to allocate 9831128 bytes for CardEpochCacheEntry in /HUDSON/workspace/jdk7-2-build-linux-i586-product/jdk7/hotspot/src/share/vm/gc_implementation/g1/concurrentG1Refine.cpp # Possible reasons: # The system is out of physical RAM or swap space # In 32 bit mode, the process size limit was hit # Possible solutions: # Reduce memory load on the system # Increase physical memory or swap space # Check if swap backing store is full # Use 64 bit Java on a 64 bit OS # Decrease Java heap size (-Xmx/-Xms) # Decrease number of Java threads # Decrease Java thread stack sizes (-Xss) # Set larger code cache with -XX:ReservedCodeCacheSize= # This output file may be truncated or incomplete. # # Out of Memory Error (allocation.inline.hpp:44), pid=27123, tid=3022015376 # # JRE version: 6.0_25-b03 # Java VM: Java HotSpot(TM) Server VM (21.0-b02 mixed mode linux-x86 ) # Core dump written. Default location: /localhome/tests/specjapp04/wls1032/sthx6434/wlsdomain/wls103/specdomain/core or core.27123 # --------------- T H R E A D --------------- Current thread (0x08dfd000): GCTaskThread [stack: 0x00000000,0x00000000] [id=27125] Stack: [0x00000000,0x00000000], sp=0xb42017b0, free space=2951173k Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code) V [libjvm.so+0x6c709b] VMError::report_and_die()+0x19b V [libjvm.so+0x2c8c2e] report_vm_out_of_memory(char const*, int, unsigned int, char const*)+0x4e V [libjvm.so+0x14a93b] AllocateHeap(unsigned int, char const*)+0x4b V [libjvm.so+0x2967a2] ConcurrentG1Refine::clear_and_record_card_counts()+0x92 V [libjvm.so+0x35bd9c] G1RemSet::oops_into_collection_set_do(OopsInHeapRegionClosure*, int)+0x13c V [libjvm.so+0x347808] G1CollectedHeap::g1_process_strong_roots(bool, SharedHeap::ScanningOption, OopClosure*, OopsInHeapRegionClosure*, OopsInGenClosure*, int)+0x288 V [libjvm.so+0x34f26d] G1ParTask::work(int)+0x98d V [libjvm.so+0x6d6289] GangWorker::loop()+0x99 V [libjvm.so+0x6d5c08] GangWorker::run()+0x18 V [libjvm.so+0x587411] java_start(Thread*)+0x111 C [libpthread.so.0+0x5832] abort@@GLIBC_2.0+0x5832 The full hs_err is attached.
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