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Date: Tue, 14 Aug 2007 19:25:31 -0700 (PDT)
From: "Yu-Nan He (JIRA)" <jira@apache.org>
To: commits@harmony.apache.org
Subject: [jira] Commented: (HARMONY-4215) [drlvm][reliability] assert in JIT
 while unwinding stack (during enumeration)
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    [ https://issues.apache.org/jira/browse/HARMONY-4215?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12519838 ] 

Yu-Nan He commented on HARMONY-4215:
------------------------------------

I wrote a small function to check the root set before tracing. 

void check_root_set(GC* gc)
{
  GC_Metadata* metadata = gc->metadata;
  pool_iterator_init(metadata->gc_rootset_pool);
  Vector_Block* root_set = pool_iterator_next(metadata->gc_rootset_pool);

  while(root_set){
    POINTER_SIZE_INT* iter = vector_block_iterator_init(root_set);
    while(!vector_block_iterator_end(root_set,iter)){
      REF *p_ref = (REF *)*iter;
      /* root ref cann't be NULL */
      assert(*p_ref); 
      iter = vector_block_iterator_advance(root_set, iter);
    } 
    root_set = pool_iterator_next(metadata->gc_rootset_pool);
  }
}

(You can place this function in gc_metadata.cpp)

If you want to check the root set, please call this function after enumeration. 

In gc_common.cpp :

  ......
  gc_reset_rootset(gc);  
  vm_enumerate_root_set_all_threads();
  gc_copy_interior_pointer_table_to_rootset();
  gc_set_rootset(gc); 

  check_root_set(gc);     <-----function call is placed here.
  ......


> [drlvm][reliability] assert in JIT while unwinding stack (during enumeration)
> -----------------------------------------------------------------------------
>
>                 Key: HARMONY-4215
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4215
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: Win 2003
>            Reporter: Aleksey Ignatenko
>         Attachments: 2rel_tests_fail.dmp, test.zip, util.Date_int.out.err
>
>
> 2 reliablity tests failed on assertion in jit:
> 1. CharsetSyncCacheTest
> 2. ZlibTest
> svn rev 548320
> Call stack:
>  	jitrino.dll!_assert(const char * expr=0x01ba9f08, const char * filename=0x01ba9eb0, unsigned int lineno=0x000000ac)  Line 295	C
> >	jitrino.dll!Jitrino::Ia32::StackInfo::read(Jitrino::MethodDesc * pMethodDesc=0x03bef720, unsigned int eip=0x00000000, bool isFirst=false)  Line 172 + 0x1a	C++
>  	jitrino.dll!Jitrino::Ia32::RuntimeInterface::unwindStack(Jitrino::MethodDesc * methodDesc=0x03bef720, JitFrameContext * context=0x02de90d4, bool isFirst=false)  Line 40	C++
>  	jitrino.dll!Jitrino::Jitrino::UnwindStack(Jitrino::MethodDesc * methodDesc=0x03bef720, JitFrameContext * context=0x02de90d4, bool isFirst=false)  Line 280 + 0x1e	C++
>  	jitrino.dll!JIT_unwind_stack_frame(void * jit=0x012a6a48, Method * method=0x02cb3668, JitFrameContext * context=0x02de90d4)  Line 362 + 0x18	C++
>  	harmonyvm.dll!Dll_JIT::unwind_stack_frame(Method * method=0x02cb3668, JitFrameContext * context=0x02de90d4)  Line 94 + 0x14	C++
>  	harmonyvm.dll!si_goto_previous(StackIterator * si=0x02de90d0, bool over_popped=false)  Line 315 + 0x32	C++
>  	harmonyvm.dll!vm_enumerate_root_set_single_thread_on_stack(StackIterator * si=0x02de90d0)  Line 339 + 0xb	C++
>  	harmonyvm.dll!vm_enumerate_thread(VM_thread * thread=0x02d7e088)  Line 224 + 0x9	C++
>  	harmonyvm.dll!stop_the_world_root_set_enumeration()  Line 110 + 0xc	C++
>  	harmonyvm.dll!vm_enumerate_root_set_all_threads()  Line 150	C++
>  	gc_gen.dll!gc_reclaim_heap(GC * gc=0x014d5de8, unsigned int gc_cause=0x00000003)  Line 295 + 0x8	C++
>  	gc_gen.dll!gc_force_gc()  Line 138 + 0xd	C++
>  	harmonyvm.dll!Java_java_lang_VMMemoryManager_runGC(JNIEnv_External * __formal=0x02d9e240, JNIEnv_External * __formal=0x02d9e240)  Line 138 + 0x8	C++
>  	03bf33ef()	
>  	harmonyvm.dll!get_vm_thread(HyThread * thr=0x03bef9ec)  Line 193 + 0xb	C++
>  	harmonyvm.dll!get_vm_thread(HyThread * thr=0x00000001)  Line 194 + 0x7	C++
> To reproduce onee needs to run these tests with 30 min cycle (set     <property name="test.duration" value="1800" />  parameter in build.xml of reliablity tests).

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