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Posted to commits@harmony.apache.org by "Alexey Varlamov (JIRA)" <ji...@apache.org> on 2006/10/04 12:50:19 UTC
[jira] Created: (HARMONY-1688) [DRLVM] Jitrino.OPT crashes on
ClassTest
[DRLVM] Jitrino.OPT crashes on ClassTest
----------------------------------------
Key: HARMONY-1688
URL: http://issues.apache.org/jira/browse/HARMONY-1688
Project: Harmony
Issue Type: Bug
Components: DRLVM
Environment: debug gcc 3.3.3 DRLVM r452709
SLES 9 32-bit SP2; CPU 2xXeon x64 (Clovertown B, 4cores)
Reporter: Alexey Varlamov
The Jitrino.OPT fails with segmentation fault on org.apache.harmony.luni.tests.java.lang.ClassTest.
To reproduce:
> java -cp junit.jar:$classlib/modules/luni/bin/test:$classlib/deploy/build/test/support.jar junit.textui.TestRunner org.apache.harmony.luni.tests.java.lang.ClassTest
SIGSEGV in VM code.
Stack trace:
1: Jitrino::TypeManager::toInternalType(Jitrino::Type*) (??:-1)
2: Jitrino::JavaLabelPrepass::JavaLabelPrepass(Jitrino::MemoryManager&, Jitrino::TypeManager&, Jitrino::MemoryManager&, Jitrino::MethodDesc&, Jitrino::CompilationInterface&, Jitrino::Opnd**) (??:-1)
3: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
4: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
5: ?? (??:-1)
6: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
7: Jitrino::Tree::computeNodeOrder(Jitrino::TreeNode*, unsigned int&, unsigned int&) (??:-1)
8: ?? (??:-1)
9: ?? (??:-1)
10: Jitrino::JavaByteCodeTranslator::JavaByteCodeTranslator(Jitrino::CompilationInterface&, Jitrino::MemoryManager&, Jitrino::IRBuilder&, Jitrino::ByteCodeParser&, Jitrino::MethodDesc&, Jitrino::TypeManager&, Jitrino::JavaFlowGraphBuilder&) (??:-1)
11: ?? (0015d890:15)
12: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
13: ?? (??:-1)
14: Jitrino::JavaFlowGraphBuilder::JavaFlowGraphBuilder(Jitrino::MemoryManager&, Jitrino::IRBuilder&) (??:-1)
15: method_get_byte_code_addr (/nfs/ins/proj/drl/coreapi/avarlamo/harmony/linux.ia32/svn-repo/drlvm/vm/vmcore/src/class_support/C_Interface.cpp:365)
16: ?? (??:-1)
17: ?? (??:-1)
18: Jitrino::JavaTranslator::translateMethod(Jitrino::CompilationInterface&, Jitrino::MethodDesc&, Jitrino::IRBuilder&) (??:-1)
<end of stack trace>
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[jira] Commented: (HARMONY-1688) [DRLVM] Jitrino.OPT crashes on
ClassTest
Posted by "Pavel Pervov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1688?page=comments#action_12440861 ]
Pavel Pervov commented on HARMONY-1688:
---------------------------------------
There are three TODOs:
0) JIT must not assume it has everything to be able to compile a method
1) Current protocol between VM and JIT should be revised so VM could "throw LinkageError (or what)" from compilation of a method if resolution of parameter (or returm) type fails;
2) JITs should resolve on execution path - not at the time of compilation.
That is what JIT can do for all of us. :)
> [DRLVM] Jitrino.OPT crashes on ClassTest
> ----------------------------------------
>
> Key: HARMONY-1688
> URL: http://issues.apache.org/jira/browse/HARMONY-1688
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: debug gcc 3.3.3 DRLVM r452709
> SLES 9 32-bit SP2; CPU 2xXeon x64 (Clovertown B, 4cores)
> Reporter: Alexey Varlamov
>
> The Jitrino.OPT fails with segmentation fault on org.apache.harmony.luni.tests.java.lang.ClassTest.
> To reproduce:
> > java -cp junit.jar:$classlib/modules/luni/bin/test:$classlib/deploy/build/test/support.jar junit.textui.TestRunner org.apache.harmony.luni.tests.java.lang.ClassTest
> SIGSEGV in VM code.
> Stack trace:
> 1: Jitrino::TypeManager::toInternalType(Jitrino::Type*) (??:-1)
> 2: Jitrino::JavaLabelPrepass::JavaLabelPrepass(Jitrino::MemoryManager&, Jitrino::TypeManager&, Jitrino::MemoryManager&, Jitrino::MethodDesc&, Jitrino::CompilationInterface&, Jitrino::Opnd**) (??:-1)
> 3: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 4: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 5: ?? (??:-1)
> 6: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 7: Jitrino::Tree::computeNodeOrder(Jitrino::TreeNode*, unsigned int&, unsigned int&) (??:-1)
> 8: ?? (??:-1)
> 9: ?? (??:-1)
> 10: Jitrino::JavaByteCodeTranslator::JavaByteCodeTranslator(Jitrino::CompilationInterface&, Jitrino::MemoryManager&, Jitrino::IRBuilder&, Jitrino::ByteCodeParser&, Jitrino::MethodDesc&, Jitrino::TypeManager&, Jitrino::JavaFlowGraphBuilder&) (??:-1)
> 11: ?? (0015d890:15)
> 12: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 13: ?? (??:-1)
> 14: Jitrino::JavaFlowGraphBuilder::JavaFlowGraphBuilder(Jitrino::MemoryManager&, Jitrino::IRBuilder&) (??:-1)
> 15: method_get_byte_code_addr (/nfs/ins/proj/drl/coreapi/avarlamo/harmony/linux.ia32/svn-repo/drlvm/vm/vmcore/src/class_support/C_Interface.cpp:365)
> 16: ?? (??:-1)
> 17: ?? (??:-1)
> 18: Jitrino::JavaTranslator::translateMethod(Jitrino::CompilationInterface&, Jitrino::MethodDesc&, Jitrino::IRBuilder&) (??:-1)
> <end of stack trace>
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[jira] Commented: (HARMONY-1688) [DRLVM] Jitrino.OPT crashes on
ClassTest
Posted by "Geir Magnusson Jr (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1688?page=comments#action_12442721 ]
Geir Magnusson Jr commented on HARMONY-1688:
--------------------------------------------
patch hangs the testcase for me (w/o applying the fix to the test case in classlib).
I think that we need to understand :
1) did you expect ot hang the VM w/o me applying the classlib fix?
2) I think that the classlib patch should be a separate JIRA. it's too confusing this way
> [DRLVM] Jitrino.OPT crashes on ClassTest
> ----------------------------------------
>
> Key: HARMONY-1688
> URL: http://issues.apache.org/jira/browse/HARMONY-1688
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: debug gcc 3.3.3 DRLVM r452709
> SLES 9 32-bit SP2; CPU 2xXeon x64 (Clovertown B, 4cores)
> Reporter: Alexey Varlamov
> Attachments: H-1688.ClassTest.patch, H-1688_VM-initiating-loaders-support.patch
>
>
> The Jitrino.OPT fails with segmentation fault on org.apache.harmony.luni.tests.java.lang.ClassTest.
> To reproduce:
> > java -cp junit.jar:$classlib/modules/luni/bin/test:$classlib/deploy/build/test/support.jar junit.textui.TestRunner org.apache.harmony.luni.tests.java.lang.ClassTest
> SIGSEGV in VM code.
> Stack trace:
> 1: Jitrino::TypeManager::toInternalType(Jitrino::Type*) (??:-1)
> 2: Jitrino::JavaLabelPrepass::JavaLabelPrepass(Jitrino::MemoryManager&, Jitrino::TypeManager&, Jitrino::MemoryManager&, Jitrino::MethodDesc&, Jitrino::CompilationInterface&, Jitrino::Opnd**) (??:-1)
> 3: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 4: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 5: ?? (??:-1)
> 6: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 7: Jitrino::Tree::computeNodeOrder(Jitrino::TreeNode*, unsigned int&, unsigned int&) (??:-1)
> 8: ?? (??:-1)
> 9: ?? (??:-1)
> 10: Jitrino::JavaByteCodeTranslator::JavaByteCodeTranslator(Jitrino::CompilationInterface&, Jitrino::MemoryManager&, Jitrino::IRBuilder&, Jitrino::ByteCodeParser&, Jitrino::MethodDesc&, Jitrino::TypeManager&, Jitrino::JavaFlowGraphBuilder&) (??:-1)
> 11: ?? (0015d890:15)
> 12: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 13: ?? (??:-1)
> 14: Jitrino::JavaFlowGraphBuilder::JavaFlowGraphBuilder(Jitrino::MemoryManager&, Jitrino::IRBuilder&) (??:-1)
> 15: method_get_byte_code_addr (/nfs/ins/proj/drl/coreapi/avarlamo/harmony/linux.ia32/svn-repo/drlvm/vm/vmcore/src/class_support/C_Interface.cpp:365)
> 16: ?? (??:-1)
> 17: ?? (??:-1)
> 18: Jitrino::JavaTranslator::translateMethod(Jitrino::CompilationInterface&, Jitrino::MethodDesc&, Jitrino::IRBuilder&) (??:-1)
> <end of stack trace>
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[jira] Commented: (HARMONY-1688) [DRLVM] Jitrino.OPT crashes on
ClassTest
Posted by "Mikhail Fursov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1688?page=comments#action_12440835 ]
Mikhail Fursov commented on HARMONY-1688:
-----------------------------------------
Whatever solution is applied to fix VM<->Java interaction, I'm agree with you that Jitrino.OPT error handling must be fixed. I get TODO to find a solution and fix it in Jitrino.OPT.
> [DRLVM] Jitrino.OPT crashes on ClassTest
> ----------------------------------------
>
> Key: HARMONY-1688
> URL: http://issues.apache.org/jira/browse/HARMONY-1688
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: debug gcc 3.3.3 DRLVM r452709
> SLES 9 32-bit SP2; CPU 2xXeon x64 (Clovertown B, 4cores)
> Reporter: Alexey Varlamov
>
> The Jitrino.OPT fails with segmentation fault on org.apache.harmony.luni.tests.java.lang.ClassTest.
> To reproduce:
> > java -cp junit.jar:$classlib/modules/luni/bin/test:$classlib/deploy/build/test/support.jar junit.textui.TestRunner org.apache.harmony.luni.tests.java.lang.ClassTest
> SIGSEGV in VM code.
> Stack trace:
> 1: Jitrino::TypeManager::toInternalType(Jitrino::Type*) (??:-1)
> 2: Jitrino::JavaLabelPrepass::JavaLabelPrepass(Jitrino::MemoryManager&, Jitrino::TypeManager&, Jitrino::MemoryManager&, Jitrino::MethodDesc&, Jitrino::CompilationInterface&, Jitrino::Opnd**) (??:-1)
> 3: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 4: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 5: ?? (??:-1)
> 6: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 7: Jitrino::Tree::computeNodeOrder(Jitrino::TreeNode*, unsigned int&, unsigned int&) (??:-1)
> 8: ?? (??:-1)
> 9: ?? (??:-1)
> 10: Jitrino::JavaByteCodeTranslator::JavaByteCodeTranslator(Jitrino::CompilationInterface&, Jitrino::MemoryManager&, Jitrino::IRBuilder&, Jitrino::ByteCodeParser&, Jitrino::MethodDesc&, Jitrino::TypeManager&, Jitrino::JavaFlowGraphBuilder&) (??:-1)
> 11: ?? (0015d890:15)
> 12: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 13: ?? (??:-1)
> 14: Jitrino::JavaFlowGraphBuilder::JavaFlowGraphBuilder(Jitrino::MemoryManager&, Jitrino::IRBuilder&) (??:-1)
> 15: method_get_byte_code_addr (/nfs/ins/proj/drl/coreapi/avarlamo/harmony/linux.ia32/svn-repo/drlvm/vm/vmcore/src/class_support/C_Interface.cpp:365)
> 16: ?? (??:-1)
> 17: ?? (??:-1)
> 18: Jitrino::JavaTranslator::translateMethod(Jitrino::CompilationInterface&, Jitrino::MethodDesc&, Jitrino::IRBuilder&) (??:-1)
> <end of stack trace>
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[jira] Commented: (HARMONY-1688) [DRLVM] Jitrino.OPT crashes on
ClassTest
Posted by "Alexei Fedotov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1688?page=comments#action_12440938 ]
Alexei Fedotov commented on HARMONY-1688:
-----------------------------------------
Added to http://wiki.apache.org/harmony/Unit_Tests_Pass_on_DRLVM
> [DRLVM] Jitrino.OPT crashes on ClassTest
> ----------------------------------------
>
> Key: HARMONY-1688
> URL: http://issues.apache.org/jira/browse/HARMONY-1688
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: debug gcc 3.3.3 DRLVM r452709
> SLES 9 32-bit SP2; CPU 2xXeon x64 (Clovertown B, 4cores)
> Reporter: Alexey Varlamov
>
> The Jitrino.OPT fails with segmentation fault on org.apache.harmony.luni.tests.java.lang.ClassTest.
> To reproduce:
> > java -cp junit.jar:$classlib/modules/luni/bin/test:$classlib/deploy/build/test/support.jar junit.textui.TestRunner org.apache.harmony.luni.tests.java.lang.ClassTest
> SIGSEGV in VM code.
> Stack trace:
> 1: Jitrino::TypeManager::toInternalType(Jitrino::Type*) (??:-1)
> 2: Jitrino::JavaLabelPrepass::JavaLabelPrepass(Jitrino::MemoryManager&, Jitrino::TypeManager&, Jitrino::MemoryManager&, Jitrino::MethodDesc&, Jitrino::CompilationInterface&, Jitrino::Opnd**) (??:-1)
> 3: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 4: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 5: ?? (??:-1)
> 6: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 7: Jitrino::Tree::computeNodeOrder(Jitrino::TreeNode*, unsigned int&, unsigned int&) (??:-1)
> 8: ?? (??:-1)
> 9: ?? (??:-1)
> 10: Jitrino::JavaByteCodeTranslator::JavaByteCodeTranslator(Jitrino::CompilationInterface&, Jitrino::MemoryManager&, Jitrino::IRBuilder&, Jitrino::ByteCodeParser&, Jitrino::MethodDesc&, Jitrino::TypeManager&, Jitrino::JavaFlowGraphBuilder&) (??:-1)
> 11: ?? (0015d890:15)
> 12: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 13: ?? (??:-1)
> 14: Jitrino::JavaFlowGraphBuilder::JavaFlowGraphBuilder(Jitrino::MemoryManager&, Jitrino::IRBuilder&) (??:-1)
> 15: method_get_byte_code_addr (/nfs/ins/proj/drl/coreapi/avarlamo/harmony/linux.ia32/svn-repo/drlvm/vm/vmcore/src/class_support/C_Interface.cpp:365)
> 16: ?? (??:-1)
> 17: ?? (??:-1)
> 18: Jitrino::JavaTranslator::translateMethod(Jitrino::CompilationInterface&, Jitrino::MethodDesc&, Jitrino::IRBuilder&) (??:-1)
> <end of stack trace>
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[jira] Commented: (HARMONY-1688) [DRLVM] Jitrino.OPT crashes on
ClassTest
Posted by "Alexey Varlamov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1688?page=comments#action_12440821 ]
Alexey Varlamov commented on HARMONY-1688:
------------------------------------------
This testcase appears to be an abundant fountain of issues :) So far I found the following:
1) The testcase effectively disables unprivileged classloading of system classes and thus implicitly checks how the VM under test handles requests to already loaded classes (in application security context). The DRLVM only caches internally a set of defined classes per classloader and relies on Java classes in obtaining initiated classes of any classloader. Anytime the system classloader is asked to loadClass(), it first tries to checkPackageAccess() and falls into recursion. That is why we get ClassCircularityError on interpreter and what provokes SIGSEGV in Jitrino.OPT.
2) If we overcome the issue above, the testcase enforces somewhat stronger limitation: AccessController.checkPermission() should never lead to nested call for SecurityManager.checkPermission(), otherwise we have recursion again. I guess if we slightly hack the environment of this testcase (without changing testing logic itself) e.g. to use custom security policy provider, we'll be able to reproduce endless recursion on RI too. The DRLVM is more vulnerable to this due to it's pure-Java ACC impl peculiarities, it fails even with the default policy.
Actually both issues are not justified with any specification I'm aware of, and both can be solved either via fixing the test or JRE impl (either VM and/or classes). So the question is: which solutions are more appropriate? I personally feel that the first issue should be fixed in VM (because it is quite likely to reoccur as real-world compatibility issue). And, strictly speaking, the second issue has no complete solution in JRE.
> [DRLVM] Jitrino.OPT crashes on ClassTest
> ----------------------------------------
>
> Key: HARMONY-1688
> URL: http://issues.apache.org/jira/browse/HARMONY-1688
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: debug gcc 3.3.3 DRLVM r452709
> SLES 9 32-bit SP2; CPU 2xXeon x64 (Clovertown B, 4cores)
> Reporter: Alexey Varlamov
>
> The Jitrino.OPT fails with segmentation fault on org.apache.harmony.luni.tests.java.lang.ClassTest.
> To reproduce:
> > java -cp junit.jar:$classlib/modules/luni/bin/test:$classlib/deploy/build/test/support.jar junit.textui.TestRunner org.apache.harmony.luni.tests.java.lang.ClassTest
> SIGSEGV in VM code.
> Stack trace:
> 1: Jitrino::TypeManager::toInternalType(Jitrino::Type*) (??:-1)
> 2: Jitrino::JavaLabelPrepass::JavaLabelPrepass(Jitrino::MemoryManager&, Jitrino::TypeManager&, Jitrino::MemoryManager&, Jitrino::MethodDesc&, Jitrino::CompilationInterface&, Jitrino::Opnd**) (??:-1)
> 3: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 4: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 5: ?? (??:-1)
> 6: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 7: Jitrino::Tree::computeNodeOrder(Jitrino::TreeNode*, unsigned int&, unsigned int&) (??:-1)
> 8: ?? (??:-1)
> 9: ?? (??:-1)
> 10: Jitrino::JavaByteCodeTranslator::JavaByteCodeTranslator(Jitrino::CompilationInterface&, Jitrino::MemoryManager&, Jitrino::IRBuilder&, Jitrino::ByteCodeParser&, Jitrino::MethodDesc&, Jitrino::TypeManager&, Jitrino::JavaFlowGraphBuilder&) (??:-1)
> 11: ?? (0015d890:15)
> 12: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 13: ?? (??:-1)
> 14: Jitrino::JavaFlowGraphBuilder::JavaFlowGraphBuilder(Jitrino::MemoryManager&, Jitrino::IRBuilder&) (??:-1)
> 15: method_get_byte_code_addr (/nfs/ins/proj/drl/coreapi/avarlamo/harmony/linux.ia32/svn-repo/drlvm/vm/vmcore/src/class_support/C_Interface.cpp:365)
> 16: ?? (??:-1)
> 17: ?? (??:-1)
> 18: Jitrino::JavaTranslator::translateMethod(Jitrino::CompilationInterface&, Jitrino::MethodDesc&, Jitrino::IRBuilder&) (??:-1)
> <end of stack trace>
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[jira] Resolved: (HARMONY-1688) [DRLVM] Jitrino.OPT crashes on
ClassTest
Posted by "Geir Magnusson Jr (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1688?page=all ]
Geir Magnusson Jr resolved HARMONY-1688.
----------------------------------------
Resolution: Fixed
r467374
Only accepting the DRLVM patch. Please open a new JIRA with the classlib unit
test patch
Ubuntu 6 - c-unit, smoke, ~kernel
> [DRLVM] Jitrino.OPT crashes on ClassTest
> ----------------------------------------
>
> Key: HARMONY-1688
> URL: http://issues.apache.org/jira/browse/HARMONY-1688
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: debug gcc 3.3.3 DRLVM r452709
> SLES 9 32-bit SP2; CPU 2xXeon x64 (Clovertown B, 4cores)
> Reporter: Alexey Varlamov
> Assigned To: Geir Magnusson Jr
> Attachments: H-1688.ClassTest.patch, H-1688_VM-initiating-loaders-support.patch
>
>
> The Jitrino.OPT fails with segmentation fault on org.apache.harmony.luni.tests.java.lang.ClassTest.
> To reproduce:
> > java -cp junit.jar:$classlib/modules/luni/bin/test:$classlib/deploy/build/test/support.jar junit.textui.TestRunner org.apache.harmony.luni.tests.java.lang.ClassTest
> SIGSEGV in VM code.
> Stack trace:
> 1: Jitrino::TypeManager::toInternalType(Jitrino::Type*) (??:-1)
> 2: Jitrino::JavaLabelPrepass::JavaLabelPrepass(Jitrino::MemoryManager&, Jitrino::TypeManager&, Jitrino::MemoryManager&, Jitrino::MethodDesc&, Jitrino::CompilationInterface&, Jitrino::Opnd**) (??:-1)
> 3: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 4: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 5: ?? (??:-1)
> 6: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 7: Jitrino::Tree::computeNodeOrder(Jitrino::TreeNode*, unsigned int&, unsigned int&) (??:-1)
> 8: ?? (??:-1)
> 9: ?? (??:-1)
> 10: Jitrino::JavaByteCodeTranslator::JavaByteCodeTranslator(Jitrino::CompilationInterface&, Jitrino::MemoryManager&, Jitrino::IRBuilder&, Jitrino::ByteCodeParser&, Jitrino::MethodDesc&, Jitrino::TypeManager&, Jitrino::JavaFlowGraphBuilder&) (??:-1)
> 11: ?? (0015d890:15)
> 12: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 13: ?? (??:-1)
> 14: Jitrino::JavaFlowGraphBuilder::JavaFlowGraphBuilder(Jitrino::MemoryManager&, Jitrino::IRBuilder&) (??:-1)
> 15: method_get_byte_code_addr (/nfs/ins/proj/drl/coreapi/avarlamo/harmony/linux.ia32/svn-repo/drlvm/vm/vmcore/src/class_support/C_Interface.cpp:365)
> 16: ?? (??:-1)
> 17: ?? (??:-1)
> 18: Jitrino::JavaTranslator::translateMethod(Jitrino::CompilationInterface&, Jitrino::MethodDesc&, Jitrino::IRBuilder&) (??:-1)
> <end of stack trace>
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[jira] Commented: (HARMONY-1688) [DRLVM] Jitrino.OPT crashes on
ClassTest
Posted by "Mikhail Fursov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1688?page=comments#action_12441089 ]
Mikhail Fursov commented on HARMONY-1688:
-----------------------------------------
Here is the minitest to separate Jitrino.OPT bug only.
compile this code:
public class Test {
public static void main(String[] args) {
foo(null);
}
static void foo(X x) {}
}
class X {
}
delete X.class file and run the test with -Xem:opt cmdline option.
> [DRLVM] Jitrino.OPT crashes on ClassTest
> ----------------------------------------
>
> Key: HARMONY-1688
> URL: http://issues.apache.org/jira/browse/HARMONY-1688
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: debug gcc 3.3.3 DRLVM r452709
> SLES 9 32-bit SP2; CPU 2xXeon x64 (Clovertown B, 4cores)
> Reporter: Alexey Varlamov
>
> The Jitrino.OPT fails with segmentation fault on org.apache.harmony.luni.tests.java.lang.ClassTest.
> To reproduce:
> > java -cp junit.jar:$classlib/modules/luni/bin/test:$classlib/deploy/build/test/support.jar junit.textui.TestRunner org.apache.harmony.luni.tests.java.lang.ClassTest
> SIGSEGV in VM code.
> Stack trace:
> 1: Jitrino::TypeManager::toInternalType(Jitrino::Type*) (??:-1)
> 2: Jitrino::JavaLabelPrepass::JavaLabelPrepass(Jitrino::MemoryManager&, Jitrino::TypeManager&, Jitrino::MemoryManager&, Jitrino::MethodDesc&, Jitrino::CompilationInterface&, Jitrino::Opnd**) (??:-1)
> 3: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 4: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 5: ?? (??:-1)
> 6: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 7: Jitrino::Tree::computeNodeOrder(Jitrino::TreeNode*, unsigned int&, unsigned int&) (??:-1)
> 8: ?? (??:-1)
> 9: ?? (??:-1)
> 10: Jitrino::JavaByteCodeTranslator::JavaByteCodeTranslator(Jitrino::CompilationInterface&, Jitrino::MemoryManager&, Jitrino::IRBuilder&, Jitrino::ByteCodeParser&, Jitrino::MethodDesc&, Jitrino::TypeManager&, Jitrino::JavaFlowGraphBuilder&) (??:-1)
> 11: ?? (0015d890:15)
> 12: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 13: ?? (??:-1)
> 14: Jitrino::JavaFlowGraphBuilder::JavaFlowGraphBuilder(Jitrino::MemoryManager&, Jitrino::IRBuilder&) (??:-1)
> 15: method_get_byte_code_addr (/nfs/ins/proj/drl/coreapi/avarlamo/harmony/linux.ia32/svn-repo/drlvm/vm/vmcore/src/class_support/C_Interface.cpp:365)
> 16: ?? (??:-1)
> 17: ?? (??:-1)
> 18: Jitrino::JavaTranslator::translateMethod(Jitrino::CompilationInterface&, Jitrino::MethodDesc&, Jitrino::IRBuilder&) (??:-1)
> <end of stack trace>
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[jira] Commented: (HARMONY-1688) [DRLVM] Jitrino.OPT crashes on
ClassTest
Posted by "Mikhail Fursov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1688?page=comments#action_12440873 ]
Mikhail Fursov commented on HARMONY-1688:
-----------------------------------------
>JIT must not assume it has everything to be able to compile a method
Yes, I vote to fix it in JIT once and forget about this problem forever. Otherwise it won't be the last time we discuss this problem.
> [DRLVM] Jitrino.OPT crashes on ClassTest
> ----------------------------------------
>
> Key: HARMONY-1688
> URL: http://issues.apache.org/jira/browse/HARMONY-1688
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: debug gcc 3.3.3 DRLVM r452709
> SLES 9 32-bit SP2; CPU 2xXeon x64 (Clovertown B, 4cores)
> Reporter: Alexey Varlamov
>
> The Jitrino.OPT fails with segmentation fault on org.apache.harmony.luni.tests.java.lang.ClassTest.
> To reproduce:
> > java -cp junit.jar:$classlib/modules/luni/bin/test:$classlib/deploy/build/test/support.jar junit.textui.TestRunner org.apache.harmony.luni.tests.java.lang.ClassTest
> SIGSEGV in VM code.
> Stack trace:
> 1: Jitrino::TypeManager::toInternalType(Jitrino::Type*) (??:-1)
> 2: Jitrino::JavaLabelPrepass::JavaLabelPrepass(Jitrino::MemoryManager&, Jitrino::TypeManager&, Jitrino::MemoryManager&, Jitrino::MethodDesc&, Jitrino::CompilationInterface&, Jitrino::Opnd**) (??:-1)
> 3: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 4: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 5: ?? (??:-1)
> 6: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 7: Jitrino::Tree::computeNodeOrder(Jitrino::TreeNode*, unsigned int&, unsigned int&) (??:-1)
> 8: ?? (??:-1)
> 9: ?? (??:-1)
> 10: Jitrino::JavaByteCodeTranslator::JavaByteCodeTranslator(Jitrino::CompilationInterface&, Jitrino::MemoryManager&, Jitrino::IRBuilder&, Jitrino::ByteCodeParser&, Jitrino::MethodDesc&, Jitrino::TypeManager&, Jitrino::JavaFlowGraphBuilder&) (??:-1)
> 11: ?? (0015d890:15)
> 12: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 13: ?? (??:-1)
> 14: Jitrino::JavaFlowGraphBuilder::JavaFlowGraphBuilder(Jitrino::MemoryManager&, Jitrino::IRBuilder&) (??:-1)
> 15: method_get_byte_code_addr (/nfs/ins/proj/drl/coreapi/avarlamo/harmony/linux.ia32/svn-repo/drlvm/vm/vmcore/src/class_support/C_Interface.cpp:365)
> 16: ?? (??:-1)
> 17: ?? (??:-1)
> 18: Jitrino::JavaTranslator::translateMethod(Jitrino::CompilationInterface&, Jitrino::MethodDesc&, Jitrino::IRBuilder&) (??:-1)
> <end of stack trace>
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[jira] Commented: (HARMONY-1688) [DRLVM] Jitrino.OPT crashes on
ClassTest
Posted by "Alexey Varlamov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1688?page=comments#action_12440386 ]
Alexey Varlamov commented on HARMONY-1688:
------------------------------------------
The root cause of this crash lies in classloading: an attempt to resolve j.l.String returns null at jitrino/src/translator/java/JavaLabelPrepass.cpp, line 513.
OTOH Jitrino itself is guilty in bad error handling here.
Another related fact: test_getClasses_subtest0 of this test also fails on interpreter:
java.lang.ClassCircularityError: java/lang/StringBuilder
at org.apache.harmony.luni.tests.java.lang.ClassTest$1SecurityManagerCheck.checkPackageAccess(ClassTest.java:233)
at java.net.URLClassLoader$SubURLClassLoader.loadClass(URLClassLoader.java:112)
at java.lang.ClassLoader.loadClass(Unknown Source)
at org.apache.harmony.luni.tests.java.lang.ClassTest$1SecurityManagerCheck.checkMemberAccess(ClassTest.java:221)
at java.lang.Class.checkMemberAccess(Unknown Source) at java.lang.Class.getClasses(Unknown Source)
at org.apache.harmony.luni.tests.java.lang.ClassTest$2.run(ClassTest.java:264)
at java.security.AccessController.doPrivilegedImpl(Unknown Source)
at java.security.AccessController.doPrivileged(Unknown Source)
at org.apache.harmony.luni.tests.java.lang.ClassTest.test_getClasses_subtest0(ClassTest.java:333)
at java.lang.reflect.VMReflection.invokeMethod(Native Method)
> [DRLVM] Jitrino.OPT crashes on ClassTest
> ----------------------------------------
>
> Key: HARMONY-1688
> URL: http://issues.apache.org/jira/browse/HARMONY-1688
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: debug gcc 3.3.3 DRLVM r452709
> SLES 9 32-bit SP2; CPU 2xXeon x64 (Clovertown B, 4cores)
> Reporter: Alexey Varlamov
>
> The Jitrino.OPT fails with segmentation fault on org.apache.harmony.luni.tests.java.lang.ClassTest.
> To reproduce:
> > java -cp junit.jar:$classlib/modules/luni/bin/test:$classlib/deploy/build/test/support.jar junit.textui.TestRunner org.apache.harmony.luni.tests.java.lang.ClassTest
> SIGSEGV in VM code.
> Stack trace:
> 1: Jitrino::TypeManager::toInternalType(Jitrino::Type*) (??:-1)
> 2: Jitrino::JavaLabelPrepass::JavaLabelPrepass(Jitrino::MemoryManager&, Jitrino::TypeManager&, Jitrino::MemoryManager&, Jitrino::MethodDesc&, Jitrino::CompilationInterface&, Jitrino::Opnd**) (??:-1)
> 3: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 4: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 5: ?? (??:-1)
> 6: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 7: Jitrino::Tree::computeNodeOrder(Jitrino::TreeNode*, unsigned int&, unsigned int&) (??:-1)
> 8: ?? (??:-1)
> 9: ?? (??:-1)
> 10: Jitrino::JavaByteCodeTranslator::JavaByteCodeTranslator(Jitrino::CompilationInterface&, Jitrino::MemoryManager&, Jitrino::IRBuilder&, Jitrino::ByteCodeParser&, Jitrino::MethodDesc&, Jitrino::TypeManager&, Jitrino::JavaFlowGraphBuilder&) (??:-1)
> 11: ?? (0015d890:15)
> 12: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 13: ?? (??:-1)
> 14: Jitrino::JavaFlowGraphBuilder::JavaFlowGraphBuilder(Jitrino::MemoryManager&, Jitrino::IRBuilder&) (??:-1)
> 15: method_get_byte_code_addr (/nfs/ins/proj/drl/coreapi/avarlamo/harmony/linux.ia32/svn-repo/drlvm/vm/vmcore/src/class_support/C_Interface.cpp:365)
> 16: ?? (??:-1)
> 17: ?? (??:-1)
> 18: Jitrino::JavaTranslator::translateMethod(Jitrino::CompilationInterface&, Jitrino::MethodDesc&, Jitrino::IRBuilder&) (??:-1)
> <end of stack trace>
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[jira] Commented: (HARMONY-1688) [DRLVM] Jitrino.OPT crashes on
ClassTest
Posted by "Mikhail Fursov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1688?page=comments#action_12441096 ]
Mikhail Fursov commented on HARMONY-1688:
-----------------------------------------
Actually this JIRA has multiple problems: VM and Jitrino ones.
I moved Jitrino.OPT problem to the separate JIRA issue: http://issues.apache.org/jira/browse/HARMONY-1802
So feel free to close this JIRA after VM problem is fixed.
> [DRLVM] Jitrino.OPT crashes on ClassTest
> ----------------------------------------
>
> Key: HARMONY-1688
> URL: http://issues.apache.org/jira/browse/HARMONY-1688
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: debug gcc 3.3.3 DRLVM r452709
> SLES 9 32-bit SP2; CPU 2xXeon x64 (Clovertown B, 4cores)
> Reporter: Alexey Varlamov
>
> The Jitrino.OPT fails with segmentation fault on org.apache.harmony.luni.tests.java.lang.ClassTest.
> To reproduce:
> > java -cp junit.jar:$classlib/modules/luni/bin/test:$classlib/deploy/build/test/support.jar junit.textui.TestRunner org.apache.harmony.luni.tests.java.lang.ClassTest
> SIGSEGV in VM code.
> Stack trace:
> 1: Jitrino::TypeManager::toInternalType(Jitrino::Type*) (??:-1)
> 2: Jitrino::JavaLabelPrepass::JavaLabelPrepass(Jitrino::MemoryManager&, Jitrino::TypeManager&, Jitrino::MemoryManager&, Jitrino::MethodDesc&, Jitrino::CompilationInterface&, Jitrino::Opnd**) (??:-1)
> 3: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 4: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 5: ?? (??:-1)
> 6: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 7: Jitrino::Tree::computeNodeOrder(Jitrino::TreeNode*, unsigned int&, unsigned int&) (??:-1)
> 8: ?? (??:-1)
> 9: ?? (??:-1)
> 10: Jitrino::JavaByteCodeTranslator::JavaByteCodeTranslator(Jitrino::CompilationInterface&, Jitrino::MemoryManager&, Jitrino::IRBuilder&, Jitrino::ByteCodeParser&, Jitrino::MethodDesc&, Jitrino::TypeManager&, Jitrino::JavaFlowGraphBuilder&) (??:-1)
> 11: ?? (0015d890:15)
> 12: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 13: ?? (??:-1)
> 14: Jitrino::JavaFlowGraphBuilder::JavaFlowGraphBuilder(Jitrino::MemoryManager&, Jitrino::IRBuilder&) (??:-1)
> 15: method_get_byte_code_addr (/nfs/ins/proj/drl/coreapi/avarlamo/harmony/linux.ia32/svn-repo/drlvm/vm/vmcore/src/class_support/C_Interface.cpp:365)
> 16: ?? (??:-1)
> 17: ?? (??:-1)
> 18: Jitrino::JavaTranslator::translateMethod(Jitrino::CompilationInterface&, Jitrino::MethodDesc&, Jitrino::IRBuilder&) (??:-1)
> <end of stack trace>
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[jira] Commented: (HARMONY-1688) [DRLVM] Jitrino.OPT crashes on
ClassTest
Posted by "Alexey Varlamov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1688?page=comments#action_12441111 ]
Alexey Varlamov commented on HARMONY-1688:
------------------------------------------
Yes, the H-1802 covers JIT side fully. Resolution strategy is a bit aside from the failure in question, I don't think we need to reconsider it in the nearest future.
> [DRLVM] Jitrino.OPT crashes on ClassTest
> ----------------------------------------
>
> Key: HARMONY-1688
> URL: http://issues.apache.org/jira/browse/HARMONY-1688
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: debug gcc 3.3.3 DRLVM r452709
> SLES 9 32-bit SP2; CPU 2xXeon x64 (Clovertown B, 4cores)
> Reporter: Alexey Varlamov
>
> The Jitrino.OPT fails with segmentation fault on org.apache.harmony.luni.tests.java.lang.ClassTest.
> To reproduce:
> > java -cp junit.jar:$classlib/modules/luni/bin/test:$classlib/deploy/build/test/support.jar junit.textui.TestRunner org.apache.harmony.luni.tests.java.lang.ClassTest
> SIGSEGV in VM code.
> Stack trace:
> 1: Jitrino::TypeManager::toInternalType(Jitrino::Type*) (??:-1)
> 2: Jitrino::JavaLabelPrepass::JavaLabelPrepass(Jitrino::MemoryManager&, Jitrino::TypeManager&, Jitrino::MemoryManager&, Jitrino::MethodDesc&, Jitrino::CompilationInterface&, Jitrino::Opnd**) (??:-1)
> 3: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 4: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 5: ?? (??:-1)
> 6: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 7: Jitrino::Tree::computeNodeOrder(Jitrino::TreeNode*, unsigned int&, unsigned int&) (??:-1)
> 8: ?? (??:-1)
> 9: ?? (??:-1)
> 10: Jitrino::JavaByteCodeTranslator::JavaByteCodeTranslator(Jitrino::CompilationInterface&, Jitrino::MemoryManager&, Jitrino::IRBuilder&, Jitrino::ByteCodeParser&, Jitrino::MethodDesc&, Jitrino::TypeManager&, Jitrino::JavaFlowGraphBuilder&) (??:-1)
> 11: ?? (0015d890:15)
> 12: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 13: ?? (??:-1)
> 14: Jitrino::JavaFlowGraphBuilder::JavaFlowGraphBuilder(Jitrino::MemoryManager&, Jitrino::IRBuilder&) (??:-1)
> 15: method_get_byte_code_addr (/nfs/ins/proj/drl/coreapi/avarlamo/harmony/linux.ia32/svn-repo/drlvm/vm/vmcore/src/class_support/C_Interface.cpp:365)
> 16: ?? (??:-1)
> 17: ?? (??:-1)
> 18: Jitrino::JavaTranslator::translateMethod(Jitrino::CompilationInterface&, Jitrino::MethodDesc&, Jitrino::IRBuilder&) (??:-1)
> <end of stack trace>
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[jira] Commented: (HARMONY-1688) [DRLVM] Jitrino.OPT crashes on
ClassTest
Posted by "Alexey Varlamov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1688?page=comments#action_12442880 ]
Alexey Varlamov commented on HARMONY-1688:
------------------------------------------
Yes, the original test is expected to hang even with the latest VM patch. I filed HARMONY-1895 to reduce confusion.
The H-1688_VM-initiating-loaders-support.patch is good; with both patches applied test passes.
> [DRLVM] Jitrino.OPT crashes on ClassTest
> ----------------------------------------
>
> Key: HARMONY-1688
> URL: http://issues.apache.org/jira/browse/HARMONY-1688
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: debug gcc 3.3.3 DRLVM r452709
> SLES 9 32-bit SP2; CPU 2xXeon x64 (Clovertown B, 4cores)
> Reporter: Alexey Varlamov
> Attachments: H-1688.ClassTest.patch, H-1688_VM-initiating-loaders-support.patch
>
>
> The Jitrino.OPT fails with segmentation fault on org.apache.harmony.luni.tests.java.lang.ClassTest.
> To reproduce:
> > java -cp junit.jar:$classlib/modules/luni/bin/test:$classlib/deploy/build/test/support.jar junit.textui.TestRunner org.apache.harmony.luni.tests.java.lang.ClassTest
> SIGSEGV in VM code.
> Stack trace:
> 1: Jitrino::TypeManager::toInternalType(Jitrino::Type*) (??:-1)
> 2: Jitrino::JavaLabelPrepass::JavaLabelPrepass(Jitrino::MemoryManager&, Jitrino::TypeManager&, Jitrino::MemoryManager&, Jitrino::MethodDesc&, Jitrino::CompilationInterface&, Jitrino::Opnd**) (??:-1)
> 3: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 4: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 5: ?? (??:-1)
> 6: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 7: Jitrino::Tree::computeNodeOrder(Jitrino::TreeNode*, unsigned int&, unsigned int&) (??:-1)
> 8: ?? (??:-1)
> 9: ?? (??:-1)
> 10: Jitrino::JavaByteCodeTranslator::JavaByteCodeTranslator(Jitrino::CompilationInterface&, Jitrino::MemoryManager&, Jitrino::IRBuilder&, Jitrino::ByteCodeParser&, Jitrino::MethodDesc&, Jitrino::TypeManager&, Jitrino::JavaFlowGraphBuilder&) (??:-1)
> 11: ?? (0015d890:15)
> 12: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 13: ?? (??:-1)
> 14: Jitrino::JavaFlowGraphBuilder::JavaFlowGraphBuilder(Jitrino::MemoryManager&, Jitrino::IRBuilder&) (??:-1)
> 15: method_get_byte_code_addr (/nfs/ins/proj/drl/coreapi/avarlamo/harmony/linux.ia32/svn-repo/drlvm/vm/vmcore/src/class_support/C_Interface.cpp:365)
> 16: ?? (??:-1)
> 17: ?? (??:-1)
> 18: Jitrino::JavaTranslator::translateMethod(Jitrino::CompilationInterface&, Jitrino::MethodDesc&, Jitrino::IRBuilder&) (??:-1)
> <end of stack trace>
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[jira] Commented: (HARMONY-1688) [DRLVM] Jitrino.OPT crashes on
ClassTest
Posted by "Alexey Varlamov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1688?page=comments#action_12442464 ]
Alexey Varlamov commented on HARMONY-1688:
------------------------------------------
Yet there is issue (1) - improper handling of "initiated" classes in VM, patch is coming soon.
So we have both classlib and drlvm involved here. Shall I split to new JIRA?
> [DRLVM] Jitrino.OPT crashes on ClassTest
> ----------------------------------------
>
> Key: HARMONY-1688
> URL: http://issues.apache.org/jira/browse/HARMONY-1688
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: debug gcc 3.3.3 DRLVM r452709
> SLES 9 32-bit SP2; CPU 2xXeon x64 (Clovertown B, 4cores)
> Reporter: Alexey Varlamov
> Attachments: H-1688.ClassTest.patch
>
>
> The Jitrino.OPT fails with segmentation fault on org.apache.harmony.luni.tests.java.lang.ClassTest.
> To reproduce:
> > java -cp junit.jar:$classlib/modules/luni/bin/test:$classlib/deploy/build/test/support.jar junit.textui.TestRunner org.apache.harmony.luni.tests.java.lang.ClassTest
> SIGSEGV in VM code.
> Stack trace:
> 1: Jitrino::TypeManager::toInternalType(Jitrino::Type*) (??:-1)
> 2: Jitrino::JavaLabelPrepass::JavaLabelPrepass(Jitrino::MemoryManager&, Jitrino::TypeManager&, Jitrino::MemoryManager&, Jitrino::MethodDesc&, Jitrino::CompilationInterface&, Jitrino::Opnd**) (??:-1)
> 3: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 4: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 5: ?? (??:-1)
> 6: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 7: Jitrino::Tree::computeNodeOrder(Jitrino::TreeNode*, unsigned int&, unsigned int&) (??:-1)
> 8: ?? (??:-1)
> 9: ?? (??:-1)
> 10: Jitrino::JavaByteCodeTranslator::JavaByteCodeTranslator(Jitrino::CompilationInterface&, Jitrino::MemoryManager&, Jitrino::IRBuilder&, Jitrino::ByteCodeParser&, Jitrino::MethodDesc&, Jitrino::TypeManager&, Jitrino::JavaFlowGraphBuilder&) (??:-1)
> 11: ?? (0015d890:15)
> 12: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 13: ?? (??:-1)
> 14: Jitrino::JavaFlowGraphBuilder::JavaFlowGraphBuilder(Jitrino::MemoryManager&, Jitrino::IRBuilder&) (??:-1)
> 15: method_get_byte_code_addr (/nfs/ins/proj/drl/coreapi/avarlamo/harmony/linux.ia32/svn-repo/drlvm/vm/vmcore/src/class_support/C_Interface.cpp:365)
> 16: ?? (??:-1)
> 17: ?? (??:-1)
> 18: Jitrino::JavaTranslator::translateMethod(Jitrino::CompilationInterface&, Jitrino::MethodDesc&, Jitrino::IRBuilder&) (??:-1)
> <end of stack trace>
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[jira] Commented: (HARMONY-1688) [DRLVM] Jitrino.OPT crashes on
ClassTest
Posted by "Geir Magnusson Jr (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1688?page=comments#action_12442288 ]
Geir Magnusson Jr commented on HARMONY-1688:
--------------------------------------------
Then we need to turn this into a classlib JIRA, and discuss in that context.
Shall I make it a classlib JIRA?
> [DRLVM] Jitrino.OPT crashes on ClassTest
> ----------------------------------------
>
> Key: HARMONY-1688
> URL: http://issues.apache.org/jira/browse/HARMONY-1688
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: debug gcc 3.3.3 DRLVM r452709
> SLES 9 32-bit SP2; CPU 2xXeon x64 (Clovertown B, 4cores)
> Reporter: Alexey Varlamov
> Attachments: H-1688.ClassTest.patch
>
>
> The Jitrino.OPT fails with segmentation fault on org.apache.harmony.luni.tests.java.lang.ClassTest.
> To reproduce:
> > java -cp junit.jar:$classlib/modules/luni/bin/test:$classlib/deploy/build/test/support.jar junit.textui.TestRunner org.apache.harmony.luni.tests.java.lang.ClassTest
> SIGSEGV in VM code.
> Stack trace:
> 1: Jitrino::TypeManager::toInternalType(Jitrino::Type*) (??:-1)
> 2: Jitrino::JavaLabelPrepass::JavaLabelPrepass(Jitrino::MemoryManager&, Jitrino::TypeManager&, Jitrino::MemoryManager&, Jitrino::MethodDesc&, Jitrino::CompilationInterface&, Jitrino::Opnd**) (??:-1)
> 3: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 4: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 5: ?? (??:-1)
> 6: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 7: Jitrino::Tree::computeNodeOrder(Jitrino::TreeNode*, unsigned int&, unsigned int&) (??:-1)
> 8: ?? (??:-1)
> 9: ?? (??:-1)
> 10: Jitrino::JavaByteCodeTranslator::JavaByteCodeTranslator(Jitrino::CompilationInterface&, Jitrino::MemoryManager&, Jitrino::IRBuilder&, Jitrino::ByteCodeParser&, Jitrino::MethodDesc&, Jitrino::TypeManager&, Jitrino::JavaFlowGraphBuilder&) (??:-1)
> 11: ?? (0015d890:15)
> 12: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 13: ?? (??:-1)
> 14: Jitrino::JavaFlowGraphBuilder::JavaFlowGraphBuilder(Jitrino::MemoryManager&, Jitrino::IRBuilder&) (??:-1)
> 15: method_get_byte_code_addr (/nfs/ins/proj/drl/coreapi/avarlamo/harmony/linux.ia32/svn-repo/drlvm/vm/vmcore/src/class_support/C_Interface.cpp:365)
> 16: ?? (??:-1)
> 17: ?? (??:-1)
> 18: Jitrino::JavaTranslator::translateMethod(Jitrino::CompilationInterface&, Jitrino::MethodDesc&, Jitrino::IRBuilder&) (??:-1)
> <end of stack trace>
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[jira] Commented: (HARMONY-1688) [DRLVM] Jitrino.OPT crashes on
ClassTest
Posted by "Egor Pasko (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1688?page=comments#action_12440856 ]
Egor Pasko commented on HARMONY-1688:
-------------------------------------
I do not think that it is critical for Jitrino to have a fix like you are proposing. The root cause is somewhere beyond the JIT.
Jitrino assumes that only methods with all parameters resolved can be issued for compilation. We can put an assert for that (if it's not there yet). If some parameter is not resolved successfully, Jitrino.OPT can crash. Unfortunately, I cannot find any words in the VM Spec that could guarantee this. But I think it is the right assumption for JIT.
What possible solutions I see (sorted by my preference)
* it's quite natural for VM to check if parameters were resolved successfully (and throw LinkageError (or what??) if they are not), so, let VM do the job
* JIT has unresolved params, so, they can only be nulls and can be treated as j.l.Object (because the resolution will always fail). Not so hard to do.
* JIT may refuse to compile a method (returning JIT_FAILURE), what VM should do in that case becomes unclear to me (EM has something to do with it first). It is also quite complicated to return JIT_FAILURE correctly in current JIT impl.
what else JIT can do for you? :)
> [DRLVM] Jitrino.OPT crashes on ClassTest
> ----------------------------------------
>
> Key: HARMONY-1688
> URL: http://issues.apache.org/jira/browse/HARMONY-1688
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: debug gcc 3.3.3 DRLVM r452709
> SLES 9 32-bit SP2; CPU 2xXeon x64 (Clovertown B, 4cores)
> Reporter: Alexey Varlamov
>
> The Jitrino.OPT fails with segmentation fault on org.apache.harmony.luni.tests.java.lang.ClassTest.
> To reproduce:
> > java -cp junit.jar:$classlib/modules/luni/bin/test:$classlib/deploy/build/test/support.jar junit.textui.TestRunner org.apache.harmony.luni.tests.java.lang.ClassTest
> SIGSEGV in VM code.
> Stack trace:
> 1: Jitrino::TypeManager::toInternalType(Jitrino::Type*) (??:-1)
> 2: Jitrino::JavaLabelPrepass::JavaLabelPrepass(Jitrino::MemoryManager&, Jitrino::TypeManager&, Jitrino::MemoryManager&, Jitrino::MethodDesc&, Jitrino::CompilationInterface&, Jitrino::Opnd**) (??:-1)
> 3: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 4: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 5: ?? (??:-1)
> 6: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 7: Jitrino::Tree::computeNodeOrder(Jitrino::TreeNode*, unsigned int&, unsigned int&) (??:-1)
> 8: ?? (??:-1)
> 9: ?? (??:-1)
> 10: Jitrino::JavaByteCodeTranslator::JavaByteCodeTranslator(Jitrino::CompilationInterface&, Jitrino::MemoryManager&, Jitrino::IRBuilder&, Jitrino::ByteCodeParser&, Jitrino::MethodDesc&, Jitrino::TypeManager&, Jitrino::JavaFlowGraphBuilder&) (??:-1)
> 11: ?? (0015d890:15)
> 12: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 13: ?? (??:-1)
> 14: Jitrino::JavaFlowGraphBuilder::JavaFlowGraphBuilder(Jitrino::MemoryManager&, Jitrino::IRBuilder&) (??:-1)
> 15: method_get_byte_code_addr (/nfs/ins/proj/drl/coreapi/avarlamo/harmony/linux.ia32/svn-repo/drlvm/vm/vmcore/src/class_support/C_Interface.cpp:365)
> 16: ?? (??:-1)
> 17: ?? (??:-1)
> 18: Jitrino::JavaTranslator::translateMethod(Jitrino::CompilationInterface&, Jitrino::MethodDesc&, Jitrino::IRBuilder&) (??:-1)
> <end of stack trace>
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[jira] Updated: (HARMONY-1688) [DRLVM] Jitrino.OPT crashes on
ClassTest
Posted by "Eugene S. Ostrovsky (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1688?page=all ]
Eugene S. Ostrovsky updated HARMONY-1688:
-----------------------------------------
Attachment: H-1688_VM-initiating-loaders-support.patch
Fix for issue (1)
This patch adds to VM support for recording initiating class loaders
> [DRLVM] Jitrino.OPT crashes on ClassTest
> ----------------------------------------
>
> Key: HARMONY-1688
> URL: http://issues.apache.org/jira/browse/HARMONY-1688
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: debug gcc 3.3.3 DRLVM r452709
> SLES 9 32-bit SP2; CPU 2xXeon x64 (Clovertown B, 4cores)
> Reporter: Alexey Varlamov
> Attachments: H-1688.ClassTest.patch, H-1688_VM-initiating-loaders-support.patch
>
>
> The Jitrino.OPT fails with segmentation fault on org.apache.harmony.luni.tests.java.lang.ClassTest.
> To reproduce:
> > java -cp junit.jar:$classlib/modules/luni/bin/test:$classlib/deploy/build/test/support.jar junit.textui.TestRunner org.apache.harmony.luni.tests.java.lang.ClassTest
> SIGSEGV in VM code.
> Stack trace:
> 1: Jitrino::TypeManager::toInternalType(Jitrino::Type*) (??:-1)
> 2: Jitrino::JavaLabelPrepass::JavaLabelPrepass(Jitrino::MemoryManager&, Jitrino::TypeManager&, Jitrino::MemoryManager&, Jitrino::MethodDesc&, Jitrino::CompilationInterface&, Jitrino::Opnd**) (??:-1)
> 3: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 4: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 5: ?? (??:-1)
> 6: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 7: Jitrino::Tree::computeNodeOrder(Jitrino::TreeNode*, unsigned int&, unsigned int&) (??:-1)
> 8: ?? (??:-1)
> 9: ?? (??:-1)
> 10: Jitrino::JavaByteCodeTranslator::JavaByteCodeTranslator(Jitrino::CompilationInterface&, Jitrino::MemoryManager&, Jitrino::IRBuilder&, Jitrino::ByteCodeParser&, Jitrino::MethodDesc&, Jitrino::TypeManager&, Jitrino::JavaFlowGraphBuilder&) (??:-1)
> 11: ?? (0015d890:15)
> 12: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 13: ?? (??:-1)
> 14: Jitrino::JavaFlowGraphBuilder::JavaFlowGraphBuilder(Jitrino::MemoryManager&, Jitrino::IRBuilder&) (??:-1)
> 15: method_get_byte_code_addr (/nfs/ins/proj/drl/coreapi/avarlamo/harmony/linux.ia32/svn-repo/drlvm/vm/vmcore/src/class_support/C_Interface.cpp:365)
> 16: ?? (??:-1)
> 17: ?? (??:-1)
> 18: Jitrino::JavaTranslator::translateMethod(Jitrino::CompilationInterface&, Jitrino::MethodDesc&, Jitrino::IRBuilder&) (??:-1)
> <end of stack trace>
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[jira] Assigned: (HARMONY-1688) [DRLVM] Jitrino.OPT crashes on
ClassTest
Posted by "Geir Magnusson Jr (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1688?page=all ]
Geir Magnusson Jr reassigned HARMONY-1688:
------------------------------------------
Assignee: Geir Magnusson Jr
> [DRLVM] Jitrino.OPT crashes on ClassTest
> ----------------------------------------
>
> Key: HARMONY-1688
> URL: http://issues.apache.org/jira/browse/HARMONY-1688
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: debug gcc 3.3.3 DRLVM r452709
> SLES 9 32-bit SP2; CPU 2xXeon x64 (Clovertown B, 4cores)
> Reporter: Alexey Varlamov
> Assigned To: Geir Magnusson Jr
> Attachments: H-1688.ClassTest.patch, H-1688_VM-initiating-loaders-support.patch
>
>
> The Jitrino.OPT fails with segmentation fault on org.apache.harmony.luni.tests.java.lang.ClassTest.
> To reproduce:
> > java -cp junit.jar:$classlib/modules/luni/bin/test:$classlib/deploy/build/test/support.jar junit.textui.TestRunner org.apache.harmony.luni.tests.java.lang.ClassTest
> SIGSEGV in VM code.
> Stack trace:
> 1: Jitrino::TypeManager::toInternalType(Jitrino::Type*) (??:-1)
> 2: Jitrino::JavaLabelPrepass::JavaLabelPrepass(Jitrino::MemoryManager&, Jitrino::TypeManager&, Jitrino::MemoryManager&, Jitrino::MethodDesc&, Jitrino::CompilationInterface&, Jitrino::Opnd**) (??:-1)
> 3: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 4: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 5: ?? (??:-1)
> 6: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 7: Jitrino::Tree::computeNodeOrder(Jitrino::TreeNode*, unsigned int&, unsigned int&) (??:-1)
> 8: ?? (??:-1)
> 9: ?? (??:-1)
> 10: Jitrino::JavaByteCodeTranslator::JavaByteCodeTranslator(Jitrino::CompilationInterface&, Jitrino::MemoryManager&, Jitrino::IRBuilder&, Jitrino::ByteCodeParser&, Jitrino::MethodDesc&, Jitrino::TypeManager&, Jitrino::JavaFlowGraphBuilder&) (??:-1)
> 11: ?? (0015d890:15)
> 12: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 13: ?? (??:-1)
> 14: Jitrino::JavaFlowGraphBuilder::JavaFlowGraphBuilder(Jitrino::MemoryManager&, Jitrino::IRBuilder&) (??:-1)
> 15: method_get_byte_code_addr (/nfs/ins/proj/drl/coreapi/avarlamo/harmony/linux.ia32/svn-repo/drlvm/vm/vmcore/src/class_support/C_Interface.cpp:365)
> 16: ?? (??:-1)
> 17: ?? (??:-1)
> 18: Jitrino::JavaTranslator::translateMethod(Jitrino::CompilationInterface&, Jitrino::MethodDesc&, Jitrino::IRBuilder&) (??:-1)
> <end of stack trace>
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[jira] Commented: (HARMONY-1688) [DRLVM] Jitrino.OPT crashes on
ClassTest
Posted by "Egor Pasko (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1688?page=comments#action_12440874 ]
Egor Pasko commented on HARMONY-1688:
-------------------------------------
> >JIT must not assume it has everything to be able to compile a method
> Yes, I vote to fix it in JIT once and forget about this problem forever. Otherwise it won't be the last time we discuss this problem.
sounds reasonable, but there are a lot of other reasons...
It is not one place to fix, there are many assumptions on how VM should behave (especially verifier) the fix will increase the uglyness of the OPT.translator and I am not feeling like it helps somebody. A similar issue: turning verifier OFF will lead to a crash in JIT on many synthetic bytecodes. Fixing would take a lot of effort and is the thing nobody will benefit from, IMHO.
> 2) JITs should resolve on execution path - not at the time of compilation.
a) not easy to do
b) that will lead to performance degradation.
Do we really need it? I would vote not to touch the resolution strategy og OPT like that until there is a perfect reason not to resolve so eagerly. Currently I see no reason in inserting extra resolution helpers, performing more recompilations when references are actually resolved, etc.
> [DRLVM] Jitrino.OPT crashes on ClassTest
> ----------------------------------------
>
> Key: HARMONY-1688
> URL: http://issues.apache.org/jira/browse/HARMONY-1688
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: debug gcc 3.3.3 DRLVM r452709
> SLES 9 32-bit SP2; CPU 2xXeon x64 (Clovertown B, 4cores)
> Reporter: Alexey Varlamov
>
> The Jitrino.OPT fails with segmentation fault on org.apache.harmony.luni.tests.java.lang.ClassTest.
> To reproduce:
> > java -cp junit.jar:$classlib/modules/luni/bin/test:$classlib/deploy/build/test/support.jar junit.textui.TestRunner org.apache.harmony.luni.tests.java.lang.ClassTest
> SIGSEGV in VM code.
> Stack trace:
> 1: Jitrino::TypeManager::toInternalType(Jitrino::Type*) (??:-1)
> 2: Jitrino::JavaLabelPrepass::JavaLabelPrepass(Jitrino::MemoryManager&, Jitrino::TypeManager&, Jitrino::MemoryManager&, Jitrino::MethodDesc&, Jitrino::CompilationInterface&, Jitrino::Opnd**) (??:-1)
> 3: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 4: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 5: ?? (??:-1)
> 6: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 7: Jitrino::Tree::computeNodeOrder(Jitrino::TreeNode*, unsigned int&, unsigned int&) (??:-1)
> 8: ?? (??:-1)
> 9: ?? (??:-1)
> 10: Jitrino::JavaByteCodeTranslator::JavaByteCodeTranslator(Jitrino::CompilationInterface&, Jitrino::MemoryManager&, Jitrino::IRBuilder&, Jitrino::ByteCodeParser&, Jitrino::MethodDesc&, Jitrino::TypeManager&, Jitrino::JavaFlowGraphBuilder&) (??:-1)
> 11: ?? (0015d890:15)
> 12: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 13: ?? (??:-1)
> 14: Jitrino::JavaFlowGraphBuilder::JavaFlowGraphBuilder(Jitrino::MemoryManager&, Jitrino::IRBuilder&) (??:-1)
> 15: method_get_byte_code_addr (/nfs/ins/proj/drl/coreapi/avarlamo/harmony/linux.ia32/svn-repo/drlvm/vm/vmcore/src/class_support/C_Interface.cpp:365)
> 16: ?? (??:-1)
> 17: ?? (??:-1)
> 18: Jitrino::JavaTranslator::translateMethod(Jitrino::CompilationInterface&, Jitrino::MethodDesc&, Jitrino::IRBuilder&) (??:-1)
> <end of stack trace>
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[jira] Updated: (HARMONY-1688) [DRLVM] Jitrino.OPT crashes on
ClassTest
Posted by "Alexey Varlamov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1688?page=all ]
Alexey Varlamov updated HARMONY-1688:
-------------------------------------
Attachment: H-1688.ClassTest.patch
Here is the fix for the test, better handling of recursion in security machinery. This eliminates issue (2) above.
> [DRLVM] Jitrino.OPT crashes on ClassTest
> ----------------------------------------
>
> Key: HARMONY-1688
> URL: http://issues.apache.org/jira/browse/HARMONY-1688
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: debug gcc 3.3.3 DRLVM r452709
> SLES 9 32-bit SP2; CPU 2xXeon x64 (Clovertown B, 4cores)
> Reporter: Alexey Varlamov
> Attachments: H-1688.ClassTest.patch
>
>
> The Jitrino.OPT fails with segmentation fault on org.apache.harmony.luni.tests.java.lang.ClassTest.
> To reproduce:
> > java -cp junit.jar:$classlib/modules/luni/bin/test:$classlib/deploy/build/test/support.jar junit.textui.TestRunner org.apache.harmony.luni.tests.java.lang.ClassTest
> SIGSEGV in VM code.
> Stack trace:
> 1: Jitrino::TypeManager::toInternalType(Jitrino::Type*) (??:-1)
> 2: Jitrino::JavaLabelPrepass::JavaLabelPrepass(Jitrino::MemoryManager&, Jitrino::TypeManager&, Jitrino::MemoryManager&, Jitrino::MethodDesc&, Jitrino::CompilationInterface&, Jitrino::Opnd**) (??:-1)
> 3: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 4: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 5: ?? (??:-1)
> 6: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 7: Jitrino::Tree::computeNodeOrder(Jitrino::TreeNode*, unsigned int&, unsigned int&) (??:-1)
> 8: ?? (??:-1)
> 9: ?? (??:-1)
> 10: Jitrino::JavaByteCodeTranslator::JavaByteCodeTranslator(Jitrino::CompilationInterface&, Jitrino::MemoryManager&, Jitrino::IRBuilder&, Jitrino::ByteCodeParser&, Jitrino::MethodDesc&, Jitrino::TypeManager&, Jitrino::JavaFlowGraphBuilder&) (??:-1)
> 11: ?? (0015d890:15)
> 12: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 13: ?? (??:-1)
> 14: Jitrino::JavaFlowGraphBuilder::JavaFlowGraphBuilder(Jitrino::MemoryManager&, Jitrino::IRBuilder&) (??:-1)
> 15: method_get_byte_code_addr (/nfs/ins/proj/drl/coreapi/avarlamo/harmony/linux.ia32/svn-repo/drlvm/vm/vmcore/src/class_support/C_Interface.cpp:365)
> 16: ?? (??:-1)
> 17: ?? (??:-1)
> 18: Jitrino::JavaTranslator::translateMethod(Jitrino::CompilationInterface&, Jitrino::MethodDesc&, Jitrino::IRBuilder&) (??:-1)
> <end of stack trace>
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[jira] Closed: (HARMONY-1688) [DRLVM] Jitrino.OPT crashes on
ClassTest
Posted by "Geir Magnusson Jr (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1688?page=all ]
Geir Magnusson Jr closed HARMONY-1688.
--------------------------------------
closing - please take classlib test to new JIRA
> [DRLVM] Jitrino.OPT crashes on ClassTest
> ----------------------------------------
>
> Key: HARMONY-1688
> URL: http://issues.apache.org/jira/browse/HARMONY-1688
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: debug gcc 3.3.3 DRLVM r452709
> SLES 9 32-bit SP2; CPU 2xXeon x64 (Clovertown B, 4cores)
> Reporter: Alexey Varlamov
> Assigned To: Geir Magnusson Jr
> Attachments: H-1688.ClassTest.patch, H-1688_VM-initiating-loaders-support.patch
>
>
> The Jitrino.OPT fails with segmentation fault on org.apache.harmony.luni.tests.java.lang.ClassTest.
> To reproduce:
> > java -cp junit.jar:$classlib/modules/luni/bin/test:$classlib/deploy/build/test/support.jar junit.textui.TestRunner org.apache.harmony.luni.tests.java.lang.ClassTest
> SIGSEGV in VM code.
> Stack trace:
> 1: Jitrino::TypeManager::toInternalType(Jitrino::Type*) (??:-1)
> 2: Jitrino::JavaLabelPrepass::JavaLabelPrepass(Jitrino::MemoryManager&, Jitrino::TypeManager&, Jitrino::MemoryManager&, Jitrino::MethodDesc&, Jitrino::CompilationInterface&, Jitrino::Opnd**) (??:-1)
> 3: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 4: Jitrino::alloc_arena(Jitrino::Arena*, unsigned int) (??:-1)
> 5: ?? (??:-1)
> 6: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 7: Jitrino::Tree::computeNodeOrder(Jitrino::TreeNode*, unsigned int&, unsigned int&) (??:-1)
> 8: ?? (??:-1)
> 9: ?? (??:-1)
> 10: Jitrino::JavaByteCodeTranslator::JavaByteCodeTranslator(Jitrino::CompilationInterface&, Jitrino::MemoryManager&, Jitrino::IRBuilder&, Jitrino::ByteCodeParser&, Jitrino::MethodDesc&, Jitrino::TypeManager&, Jitrino::JavaFlowGraphBuilder&) (??:-1)
> 11: ?? (0015d890:15)
> 12: Jitrino::MemoryManager::alloc(unsigned int) (??:-1)
> 13: ?? (??:-1)
> 14: Jitrino::JavaFlowGraphBuilder::JavaFlowGraphBuilder(Jitrino::MemoryManager&, Jitrino::IRBuilder&) (??:-1)
> 15: method_get_byte_code_addr (/nfs/ins/proj/drl/coreapi/avarlamo/harmony/linux.ia32/svn-repo/drlvm/vm/vmcore/src/class_support/C_Interface.cpp:365)
> 16: ?? (??:-1)
> 17: ?? (??:-1)
> 18: Jitrino::JavaTranslator::translateMethod(Jitrino::CompilationInterface&, Jitrino::MethodDesc&, Jitrino::IRBuilder&) (??:-1)
> <end of stack trace>
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