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From "Geir Magnusson Jr." <g...@pobox.com>
Subject Re: [jira] Created: (HARMONY-2805) VM segfault
Date Tue, 19 Dec 2006 22:51:18 GMT
oh!  Jitrino in debug mode...

probably not.

geir


Naveen Neelakantam wrote:
> Sorry to clarify, but did you get rid of the "-Dvm.jitrino.cfg=release" 
> definition from build.sh?
> 
> Thanks,
> Naveen
> 
> On Dec 19, 2006, at 4:21 PM, Geir Magnusson Jr. wrote:
> 
>>
>>
>> Naveen Neelakantam wrote:
>>> I am currently working to finish Egor Pasko's re-implementation of 
>>> ABCD, and as a result I like to build vm.jitrino in debug mode (so 
>>> that I can use asserts).  However, building vm.jitrino in debug mode 
>>> breaks DRLVM.  I've created 2 JIRAs that reflect this HARMONY-2805 
>>> and HARMONY-2804.
>>> This raises a question in my mind.  Is anyone testing DRLVM built 
>>> fully in debug mode?  The default Cruise Control setup does not do 
>>> this and I find that troubling.
>>
>> I usually build and work with it in debug mode...
>>
>> geir
>>
>>> Naveen
>>> Begin forwarded message:
>>>> From: "Naveen Neelakantam (JIRA)" <jira@apache.org>
>>>> Date: December 19, 2006 12:58:20 PM CST
>>>> To: neelakan@uiuc.edu
>>>> Subject: [jira] Created: (HARMONY-2805) VM segfault
>>>>
>>>> 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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>>>>
>>>>
> 

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