Re: Unexpected JVM crash, assistance requested (Gan Zhang)

Dear Mr Zhang

Thanks for your reply.

1) Please advise how we should raise a PMR with your team. Is there an
email address we should write to or a website we should visit?
2) The javacore and core dumps total over 2Gb in size, do you have an FTP
site we can upload them to?
3) I'm not sure what 4700 0012 vlogs are, or how to obtain them - please
could you explain.

Thanks and regards
Matt






>    2. Re: Unexpected JVM crash, assistance requested (Gan Zhang)
>
>    Looks like you are using the latest Java 80 on your system. I would
>    suggest you open a PMR to my team for further investigation. thanks.From
>    the stack , looks like it's an issue from JIT component.  For this kind
> of
>    crash , we usually need "javacore", "core" dumps together with the 4700
>    0012 vlogs collected. thx.
>
>    Best regards.
>
>  ____________________________________________________________________________________________
>    Gavin, Zhang Gan --
>    [1]
> https://w3-connections.ibm.com/profiles/html/profileView.do?key=d77158d7-c5cd-4e6e-a90d-23dddc9cbaba&lang=en
>    IBM i PASE(AIX)/J9(Java SDK) Tech/Team Lead,
>    Email: [email protected]
>    Phone: +86-10-82452719
>    Address: 1/F, 28, ZhongGuanCun Software Park, No.8 Dong Bei Wang West
>    Road, Haidian District, Beijing P.R.China 100193
>    J9 on i:
>    [2]
> https://www.ibm.com/developerworks/community/wikis/home?lang=en#!/wiki/IBM%20i%20Technology%20Updates/page/Java%20on%20IBM%20i
>
>
>
>      ----- Original message -----
>      From: Matt Pryor <pryor-vppm1TVqICDMoOGh6ywv9JxocPoXdSqV0E9HWUfgJXw@public.gmane.org>
>      Sent by: "JAVA400-L" <java400-l-bounces-Zwy7GipZuJhWk0Htik3J/[email protected]>
>      To: java400-l-Zwy7GipZuJhWk0Htik3J/[email protected]
>      Cc:
>      Subject: Re: Unexpected JVM crash, assistance requested
>      Date: Thu, Nov 15, 2018 10:58 PM
>
>      Hi there
>
>      After another JVM crash yesterday we've found some more information in
>      std
>      err:
>
>      Assertion failed at /afs/
>
> rchland.ibm.com/usr8/j9/src/rebuilt/jdk80/64bit/sr5fp20.v7r3/jre/lib/ppc64/compressedrefs/compiler/../omr/c
>      ompiler/codegen/OMRTreeEvaluator.cpp:348: false
>      VMState: 0x0005ff04
>       badILOp BadILOp cannot be evaluated
>      compiling
>
>  com/internationalpresence/impscloudgateway/util/AS400LogHandler.flush()V
>      at
>      level: hot
>      assumeDontCallMeDirectlyImpl(const char*,int,const char*,const
>      char*,char*,bool)+0x4d0
>      TR::fatal_assertion(const char*,int,const char*,const char*,...)+0x40
>
>  OMR::TreeEvaluator::badILOpEvaluator(TR::Node*,TR::CodeGenerator*)+0x4c
>      OMR::CodeGenerator::evaluate(TR::Node*)+0x510
>      J9::CodeGenerator::doInstructionSelection()+0x4ed8
>
>  OMR::CodeGenPhase::performInstructionSelectionPhase(TR::CodeGenerator*,TR::CodeGenPhase*)+0x5c0
>      OMR::CodeGenPhase::performAll()+0x2b4
>      OMR::CodeGenerator::generateCode()+0x484
>      OMR::Compilation::compile()+0x2188
>
>  TR::CompilationInfoPerThreadBase::compile(J9VMThread*,TR::Compilation*,TR_ResolvedMethod*,TR_J9VMBase&,TR_OptimizationPlan*,const
>      TR
>      ::SegmentAllocator&)+0x161c
>
>  TR::CompilationInfoPerThreadBase::wrappedCompile(J9PortLibrary*,void*)+0x1cd4
>      omrsig_protect+0x5a8
>
>  TR::CompilationInfoPerThreadBase::compile(J9VMThread*,TR_MethodToBeCompiled*,J9::J9SegmentProvider&)+0x774
>
>  TR::CompilationInfoPerThread::processEntry(TR_MethodToBeCompiled&,J9::J9SegmentProvider&)+0x854
>      TR::CompilationInfoPerThread::processEntries()+0x7f8
>
>  protectedCompilationThreadProc(J9PortLibrary*,TR::CompilationInfoPerThread*)+0x4e0
>      omrsig_protect+0x5a8
>      compilationThreadProc(void*)+0x5b8
>      thread_wrapper+0x254
>      _pthread_body+0x138
>      +0x0
>      The assert subroutine failed: 0, file /afs/
>
> rchland.ibm.com/usr8/j9/src/rebuilt/jdk80/64bit/sr5fp20.v7r3/jre/lib/ppc64/compressedrefs
>      /compiler/../omr/compiler/infra/Assert.cpp, line 72
>      JVMDUMP039I Processing dump event "abort", detail "" at 2018/11/15
>      07:41:09
>      - please wait.
>      JVMDUMP032I JVM requested System dump using
>      '//core.20181115.074109.435449.0001.dmp' in response to an event
>      JVMDUMP010I System dump written to
>      //core.20181115.074109.435449.0001.dmp
>      JVMDUMP032I JVM requested Java dump using
>      '//javacore.20181115.074109.435449.0002.txt' in response to an event
>      JVMDUMP010I Java dump written to
>      //javacore.20181115.074109.435449.0002.txt
>      JVMDUMP032I JVM requested Snap dump using
>      '//Snap.20181115.074109.435449.0003.trc' in response to an event
>      JVMDUMP010I Snap dump written to
> //Snap.20181115.074109.435449.0003.trc
>      JVMDUMP007I JVM Requesting JIT dump using
>      '//jitdump.20181115.074109.435449.0004.dmp'
>      #JITDUMP:  vmThread=000000003000EF00 Crashed while printing out
> current
>      IL.JVMDUMP010I JIT dump written to //jitdump.20181115.074109
>      .435449.0004.dmp
>      JVMDUMP013I Processed dump event "abort", detail "".
>
>      Does this help pinpoint the cause?
>
>      Thanks
>      Matt
>
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