Has anyone seen a JVM crash similar to this one? Wondering if this is a new or existing problem. Any insights would be appreciated.<br><br>Thanks,<br>Shane<br><br><br># A fatal error has been detected by the Java Runtime Environment:<br>
#<br># SIGSEGV (0xb) at pc=0x00002b0f1733cdc9, pid=14532, tid=1093286208<br>#<br># SIGSEGV (0xb) at pc=0x00002b0f1733cdc9, pid=14532, tid=1093286208<br>#<br># JRE version: 6.0_18-b07<br># Java VM: Java HotSpot(TM) 64-Bit Server VM (16.0-b13 mixed mode linux-amd64 )<br>
# Problematic frame:<br># V [libjvm.so+0x3b1dc9]<br><br><br>Current thread (0x0000000056588800): GCTaskThread [stack: 0x0000000000000000,0x0000000000000000] [id=14539]<br><br>siginfo:si_signo=SIGSEGV: si_errno=0, si_code=1 (SEGV_MAPERR), si_addr=0x0000000000000025;; <br>
<br><br>Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)<br>V [libjvm.so+0x3b1dc9];; void ParScanClosure::do_oop_work<oopDesc*>(oopDesc**, bool, bool)+0x79<br>V [libjvm.so+0x5e7f03];; ParRootScanWithBarrierTwoGensClosure::do_oop(oopDesc**)+0x13<br>
V [libjvm.so+0x3ab18c];; instanceKlass::oop_oop_iterate_nv_m(oopDesc*, FilteringClosure*, MemRegion)+0x16c<br>V [libjvm.so+0x297aff];; FreeListSpace_DCTOC::walk_mem_region_with_cl_par(MemRegion, HeapWord*, HeapWord*, FilteringClosure*)+0x13f<br>
V [libjvm.so+0x297995];; FreeListSpace_DCTOC::walk_mem_region_with_cl(MemRegion, HeapWord*, HeapWord*, FilteringClosure*)+0x35<br>V [libjvm.so+0x66014f];; Filtering_DCTOC::walk_mem_region(MemRegion, HeapWord*, HeapWord*)+0x5f<br>
V [libjvm.so+0x65fee9];; DirtyCardToOopClosure::do_MemRegion(MemRegion)+0xf9<br>V [libjvm.so+0x24153d];; ClearNoncleanCardWrapper::do_MemRegion(MemRegion)+0xdd<br>V [libjvm.so+0x23ffea];; CardTableModRefBS::non_clean_card_iterate_work(MemRegion, MemRegionClosure*, bool)+0x1ca<br>
V [libjvm.so+0x5e504b];; CardTableModRefBS::process_stride(Space*, MemRegion, int, int, DirtyCardToOopClosure*, MemRegionClosure*, bool, signed char**, unsigned long, unsigned long)+0x13b<br>V [libjvm.so+0x5e4e98];; CardTableModRefBS::par_non_clean_card_iterate_work(Space*, MemRegion, DirtyCardToOopClosure*, MemRegionClosure*, bool, int)+0xc8<br>
V [libjvm.so+0x23fdfb];; CardTableModRefBS::non_clean_card_iterate(Space*, MemRegion, DirtyCardToOopClosure*, MemRegionClosure*, bool)+0x5b<br>V [libjvm.so+0x240b9a];; CardTableRS::younger_refs_in_space_iterate(Space*, OopsInGenClosure*)+0x8a<br>
V [libjvm.so+0x379378];; Generation::younger_refs_in_space_iterate(Space*, OopsInGenClosure*)+0x18<br>V [libjvm.so+0x2c5c5f];; ConcurrentMarkSweepGeneration::younger_refs_iterate(OopsInGenClosure*)+0x4f<br>V [libjvm.so+0x240a8a];; CardTableRS::younger_refs_iterate(Generation*, OopsInGenClosure*)+0x2a<br>
V [libjvm.so+0x36bfcd];; GenCollectedHeap::gen_process_strong_roots(int, bool, bool, SharedHeap::ScanningOption, OopsInGenClosure*, OopsInGenClosure*)+0x9d<br>V [libjvm.so+0x5e82c9];; ParNewGenTask::work(int)+0xc9<br>
V [libjvm.so+0x722e0d];; GangWorker::loop()+0xad<br>V [libjvm.so+0x722d24];; GangWorker::run()+0x24<br>V [libjvm.so+0x5da2af];; java_start(Thread*)+0x13f<br><br>VM Arguments:<br>jvm_args: -verbose:gc -XX:+PrintGCDetails -XX:+PrintHeapAtGC -XX:+PrintGCDateStamps -XX:+UseParNewGC -Xmx4000m -Xms4000m -Xss256k -XX:PermSize=256M -XX:MaxPermSize=256M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:+CMSIncrementalPacing -XX:+CMSPermGenSweepingEnabled -XX:+ExplicitGCInvokesConcurrent<br>
<br>OS:Red Hat Enterprise Linux Server release 5.3 (Tikanga)<br><br>uname:Linux 2.6.18-128.el5 #1 SMP Wed Jan 21 08:45:05 EST 2009 x86_64<br><br>vm_info: Java HotSpot(TM) 64-Bit Server VM (16.0-b13) for linux-amd64 JRE (1.6.0_18-b07), built on Dec 17 2009 13:42:22 by "java_re" with gcc 3.2.2 (SuSE Linux)<br>
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