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From "Naveen Neelakantam (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-2956) [jit] segfault with -Xem:server option
Date Wed, 10 Jan 2007 19:36:27 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-2956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12463679
] 

Naveen Neelakantam commented on HARMONY-2956:
---------------------------------------------

As suggested by Pavel on the dev list, I tried compiling DRLVM using gcc 4.1.0 and it got
rid of the issue.

I also tried compiling jitrino in debug mode (modified build.sh to remove "-Dvm.jitrino.cfg=release"),
and the issue went away.

> [jit] segfault with -Xem:server option
> --------------------------------------
>
>                 Key: HARMONY-2956
>                 URL: https://issues.apache.org/jira/browse/HARMONY-2956
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: RHEL4 update 4, x86, core2 duo
>            Reporter: Naveen Neelakantam
>
> The problem seems to occur with any long running program, but you can trigger it with
the DaCapo benchmarks:
> >java -showversion -Xem:server -jar dacapo-2006-10.jar fop
> 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 = r494559, (Jan  9 2007), Linux/ia32/gcc 3.4.6, debug build
> http://incubator.apache.org/harmony
> SIGSEGV in VM code.
> Stack trace:
>         1: Jitrino::Ia32::edge_comparator::getEdgeExecCount(Jitrino::Edge const*) (??:-1)
>         2: ?? (00180234
> :180234)
>         3: ?? (0017f79e
> :17)
>         4: ?? (0017f7b0
> :17)
>         5: ?? (0017f7b0
> :17)
>         6: ?? (0017f7b0
> :17)
>         7: ?? (0017f6d3
> :17)
>         8: Jitrino::Ia32::BottomUpLayout::linearizeCfgImpl() (??:-1)
>         9: Jitrino::Ia32::Linearizer::linearizeCfg() (??:-1)
>         10: Jitrino::Ia32::Linearizer::doLayout(Jitrino::Ia32::Linearizer::LinearizerType,
Jitrino::Ia32::IRManager*) (??:-1)
>         11: Jitrino::Ia32::Layouter::runImpl() (??:-1)
>         12: Jitrino::Ia32::SessionAction::run() (??:-1)
>         13: Jitrino::runPipeline(Jitrino::CompilationContext*) (??:-1)
>         14: Jitrino::compileMethod(Jitrino::CompilationContext*) (??:-1)
>         15: Jitrino::Jitrino::CompileMethod(Jitrino::CompilationContext*) (??:-1)
>         16: JIT_compile_method_with_params (??:-1)
>         17: Dll_JIT::compile_method_with_params(void*, Method*, OpenMethodExecutionParams)
(/home/dcsfiles/neelakan/Sandbox/Harmony/stable/working_vm/vm/vmcore/include/dll_jit_intf.h:86)
>         18: compile_do_compilation_jit(Method*, JIT*) (/home/dcsfiles/neelakan/Sandbox/Harmony/stable/working_vm/vm/vmcore/src/jit/compile.cpp:645)
>         19: vm_compile_method (/home/dcsfiles/neelakan/Sandbox/Harmony/stable/working_vm/vm/vmcore/src/class_support/C_Interface.cpp:2462)
>         20: DrlEMImpl::compileMethod(Method*) (/home/dcsfiles/neelakan/Sandbox/Harmony/stable/working_vm/vm/em/src/DrlEMImpl.cpp:545)
>         21: CompileMethod (/home/dcsfiles/neelakan/Sandbox/Harmony/stable/working_vm/vm/em/src/em_intf.cpp:49)
>         22: compile_do_compilation (/home/dcsfiles/neelakan/Sandbox/Harmony/stable/working_vm/vm/vmcore/src/jit/compile.cpp:752)
>         23: compile_me(Method*) (/home/dcsfiles/neelakan/Sandbox/Harmony/stable/working_vm/vm/vmcore/src/jit/compile.cpp:772)
>         24: IP is 0xB6972162 <native code>
>         25: ?? (??:-1)
>         26: dacapo/parser/ConfigFileTokenManager.jjStartNfa_0(IJ)I (ConfigFileTokenManager.java:-1)
>         27: dacapo/parser/ConfigFileTokenManager.jjMoveStringLiteralDfa2_0(JJ)I (ConfigFileTokenManager.java:-1)
>         28: dacapo/parser/ConfigFileTokenManager.jjMoveStringLiteralDfa1_0(J)I (ConfigFileTokenManager.java:-1)
>         29: dacapo/parser/ConfigFileTokenManager.jjMoveStringLiteralDfa0_0()I (ConfigFileTokenManager.java:-1)
>         30: dacapo/parser/ConfigFileTokenManager.getNextToken()Ldacapo/parser/Token;
(ConfigFileTokenManager.java:-1)
>         31: dacapo/parser/ConfigFile.jj_consume_token(I)Ldacapo/parser/Token; (ConfigFile.java:-1)
>         32: dacapo/parser/ConfigFile.config()Ldacapo/parser/Config; (ConfigFile.java:-1)
>         33: dacapo/parser/ConfigFile.configFile()Ldacapo/parser/Config; (ConfigFile.java:-1)
>         34: dacapo/parser/Config.parse(Ljava/io/InputStream;)Ldacapo/parser/Config; (Config.java:-1)
>         35: dacapo/TestHarness.<init>(Ljava/io/InputStream;)V (TestHarness.java:-1)
>         36: dacapo/TestHarness.main([Ljava/lang/String;)V (TestHarness.java:-1)
>         37: vm_invoke_native_array_stub (/home/dcsfiles/neelakan/Sandbox/Harmony/stable/working_vm/vm/vmcore/src/util/ia32/base/invoke_native_stub_ia32.asm:41)
>         38: JIT_execute_method_default(void*, _jmethodID*, jvalue*, jvalue*) (/home/dcsfiles/neelakan/Sandbox/Harmony/stable/working_vm/vm/vmcore/src/util/ia32/base/ini_iA32.cpp:199)
>         39: DrlEMImpl::executeMethod(_jmethodID*, jvalue*, jvalue*) (/home/dcsfiles/neelakan/Sandbox/Harmony/stable/working_vm/vm/em/src/DrlEMImpl.cpp:514)
>         40: ExecuteMethod (/home/dcsfiles/neelakan/Sandbox/Harmony/stable/working_vm/vm/em/src/em_intf.cpp:43)
>         41: vm_execute_java_method_array(_jmethodID*, jvalue*, jvalue*) (/home/dcsfiles/neelakan/Sandbox/Harmony/stable/working_vm/vm/vmcore/src/jit/ini.cpp:51)
>         42: call_static_method_no_ref_result (/home/dcsfiles/neelakan/Sandbox/Harmony/stable/working_vm/vm/vmcore/src/jni/jni_method.cpp:1155)
>         43: CallStaticVoidMethodA(JNIEnv_External*, _jobject*, _jmethodID*, jvalue*)
(/home/dcsfiles/neelakan/Sandbox/Harmony/stable/working_vm/vm/vmcore/src/jni/jni_method.cpp:1563)
>         44: invoke_primitive_method (/home/dcsfiles/neelakan/Sandbox/Harmony/stable/working_vm/vm/vmcore/src/kernel_classes/native/java_lang_reflect_VMReflection.cpp:184)
> Segmentation fault

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