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From Naveen Neelakantam <neela...@uiuc.edu>
Subject [drlvm][jit] DRLVM segfault with Jitrino built in debug mode (was Re: [jira] Created: (HARMONY-2805) VM segfault)
Date Wed, 20 Dec 2006 15:16:35 GMT
Upon Egor's suggestion, I have changed the subject line for the JIRA  
and email thread.

Naveen

On Dec 19, 2006, at 3:05 PM, 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.
>
> 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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