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Duplicate :
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Relates :
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Relates :
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JDK-8205376 :
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Crash observed with G1 GC during concurrent marking with the following stack traces: -------------------------------------------------------------------- java 8u144-b32 on Oracle linux 6 64-bit gc: G1 is used hs_err_pid21397.log stack trace: Stack: [0x00007f74fc69f000,0x00007f74fc7a0000], sp=0x00007f74fc79ea70, free space=1022k Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code) V [libjvm.so+0x46cfaf] ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)+0x8f V [libjvm.so+0x65b310] InstanceMirrorKlass::oop_oop_iterate_nv(oopDesc*, G1CMOopClosure*)+0x40 V [libjvm.so+0x4cf034] CMBitMapClosure::do_bit(unsigned long)+0x74 V [libjvm.so+0x4c871e] CMTask::do_marking_step(double, bool, bool)+0xa9e V [libjvm.so+0x4cf7bd] CMConcurrentMarkingTask::work(unsigned int)+0xdd V [libjvm.so+0xaee2ff] GangWorker::loop()+0xcf V [libjvm.so+0x92b5c8] java_start(Thread*)+0x108 hs_err_pid23461.log Stack: [0x00007fcc6c341000,0x00007fcc6c442000], sp=0x00007fcc6c440a10, free space=1022k Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code) V [libjvm.so+0x4cbd06] oopDesc::size()+0x56 V [libjvm.so+0x4cdc60] CMTask::make_reference_grey(oopDesc*, HeapRegion*)+0xc0 V [libjvm.so+0x46cfd7] ClassLoaderData::oops_do(OopClosure*, KlassClosure*, bool)+0xb7 V [libjvm.so+0x65b310] InstanceMirrorKlass::oop_oop_iterate_nv(oopDesc*, G1CMOopClosure*)+0x40 V [libjvm.so+0x4cf034] CMBitMapClosure::do_bit(unsigned long)+0x74 V [libjvm.so+0x4c871e] CMTask::do_marking_step(double, bool, bool)+0xa9e V [libjvm.so+0x4cf973] CMConcurrentMarkingTask::work(unsigned int)+0x293 V [libjvm.so+0xaee2ff] GangWorker::loop()+0xcf V [libjvm.so+0x92b5c8] java_start(Thread*)+0x108
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