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From "Naveen Neelakantam (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-2805) VM segfault
Date Tue, 19 Dec 2006 18:58:21 GMT
VM segfault
-----------

                 Key: HARMONY-2805
                 URL: http://issues.apache.org/jira/browse/HARMONY-2805
             Project: Harmony
          Issue Type: Bug
          Components: DRLVM
         Environment: RHEL 4 update 4, gcc 3.4.6, core2 (i386)
            Reporter: Naveen Neelakantam
            Priority: Blocker


If I build vm.jitrino in debug mode, the VM segfaults on any Java app that runs for a non-trivial
amount of time.

The bug also manifests iteself if you type:
>java -Xem:server_static -showversion
Apache Harmony Launcher : (c) Copyright 1991, 2006 The Apache Software Foundation or its licensors,
as applicable.
java version "1.5.0"
pre-alpha : not complete or compatible
svn = r488351, (Dec 18 2006), Linux/ia32/gcc 3.4.6, debug build
http://incubator.apache.org/harmony
SIGSEGV in VM code.
Stack trace:
        1: Jitrino::Ia32::GCSafePoint::isHardwareExceptionPoint() const (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/jitrino/src/codegenerator/ia32/Ia32GCMap.h:102)
        2: Jitrino::Ia32::hwecompare::operator()(Jitrino::Ia32::GCSafePoint const*, Jitrino::Ia32::GCSafePoint
const*) const (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/jitrino/src/codegenerator/ia32/Ia32GCMap.cpp:221)
        3: ?? (00313f5d
:313)
        4: ?? (00313931
:313931)
        5: ?? (00312d8a
:312)
        6: ?? (003115d0
:3115)
        7: Jitrino::Ia32::GCMap::write(unsigned char*) (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/jitrino/src/codegenerator/ia32/Ia32GCMap.cpp:239)
        8: Jitrino::Ia32::InfoBlockWriter::runImpl() (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/jitrino/src/codegenerator/ia32/Ia32GCMap.cpp:528)
        9: Jitrino::Ia32::SessionAction::run() (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/jitrino/src/codegenerator/ia32/Ia32IRManager.cpp:2155)
        10: Jitrino::runPipeline(Jitrino::CompilationContext*) (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/jitrino/src/main/Jitrino.cpp:226)
        11: Jitrino::compileMethod(Jitrino::CompilationContext*) (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/jitrino/src/main/Jitrino.cpp:261)
        12: Jitrino::Jitrino::CompileMethod(Jitrino::CompilationContext*) (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/jitrino/src/main/Jitrino.cpp:286)
        13: JIT_compile_method_with_params (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/jitrino/src/vm/drl/DrlJITInterface.cpp:278)
        14: Dll_JIT::compile_method_with_params(void*, Method*, OpenMethodExecutionParams)
(/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/vmcore/include/dll_jit_intf.h:86)
        15: compile_do_compilation_jit(Method*, JIT*) (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/vmcore/src/jit/compile.cpp:709)
        16: vm_compile_method (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/vmcore/src/class_support/C_Interface.cpp:2454)
        17: DrlEMImpl::compileMethod(Method*) (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/em/src/DrlEMImpl.cpp:545)
        18: CompileMethod (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/em/src/em_intf.cpp:49)
        19: compile_do_compilation (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/vmcore/src/jit/compile.cpp:789)
        20: compile_jit_a_method(Method*) (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/vmcore/src/jit/compile.cpp:840)
        21: IP is 0xB6974162 <native code>
        22: vm_invoke_native_array_stub (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/vmcore/src/util/ia32/base/invoke_native_stub_ia32.asm:41)
        23: JIT_execute_method_default(void*, _jmethodID*, jvalue*, jvalue*) (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/vmcore/src/util/ia32/base/ini_iA32.cpp:199)
        24: DrlEMImpl::executeMethod(_jmethodID*, jvalue*, jvalue*) (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/em/src/DrlEMImpl.cpp:514)
        25: ExecuteMethod (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/em/src/em_intf.cpp:43)
        26: vm_execute_java_method_array(_jmethodID*, jvalue*, jvalue*) (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/vmcore/src/jit/ini.cpp:51)
        27: vm_create_jthread (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/vmcore/src/init/vm_init.cpp:549)
        28: vm_attach_internal(JNIEnv_External**, _jobject**, JavaVM_External*, _jobject*,
char*, unsigned char) (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/vmcore/src/init/vm_init.cpp:588)
        29: JNI_CreateJavaVM (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_vm/vm/vmcore/src/jni/jni.cpp:499)
        30: ?? (??:-1)
        31: ?? (??:-1)
        32: ?? (??:-1)
        33: hysig_protect (/home/dcsfiles/neelakan/Sandbox/Harmony/trunk/working_classlib/modules/portlib/src/main/native/port/unix/hysignal.c:283)
        34: ?? (??:-1)
        35: ?? (??:-1)
        36: ?? (??:-1)
<end of stack trace>
Segmentation fault


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