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From "Chunrong Lai (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-6022) [drlvm][gc] (irreproducible) assertion failure in semi-space GC
Date Tue, 18 Nov 2008 04:03:44 GMT
[drlvm][gc] (irreproducible) assertion failure in semi-space GC
---------------------------------------------------------------

                 Key: HARMONY-6022
                 URL: https://issues.apache.org/jira/browse/HARMONY-6022
             Project: Harmony
          Issue Type: Bug
          Components: DRLVM
         Environment: Linux32
            Reporter: Chunrong Lai



 The integrity testing cycle reports an irreproducible error from the semispace GC.
 Here are the error info:

Exit code: 134 Err: java: /home/laichunrong/harmony.regularcc/infra/build/checkouts/hdk/working_vm/vm/gc_gen/src/semi_space/sspace.cpp:309:
sspace_reset_after_collection: Assertion `0' failed.   
   
Signal reported: ABORT   
   
Registers info is absent   
   
Command line:   
/home/laichunrong/harmony.regularcc/infra/build/checkouts/hdk/target/hdk/jdk/jre/bin/java
-Xem:jet -XX:-vm.assert_dialog -Djava.library.path=/home/laichunrong/harmony.regularcc/infra/build/checkouts/hdk/working_vm/build/linux_x86_gcc_debug/tests/smoke.tests/natives/stress
-classpath /home/laichunrong/harmony.regularcc/infra/build/checkouts/hdk/working_vm/build/linux_x86_gcc_debug/tests/smoke.tests/classes
stress.Intern    
   
Working directory:   
/home/laichunrong/harmony.regularcc/infra/build/checkouts/hdk/working_vm/build/linux_x86_gcc_debug/tests/smoke.tests
  

 
    I checked the code and saw some comments below
 
    /* Check if sspace has no enough blocks to hold tospace. */                   
    if( sspace->tospace_first_idx - sspace->first_block_idx <= num_tospace_blocks
){
      /* this case shold never happen right after minor collection, might happen after nos_boundary
adjusted */        
      assert(0); 
      num_tospace_blocks = (sspace->tospace_first_idx - sspace->first_block_idx) >>
3;
      num_fromspace_blocks = sspace->num_managed_blocks - num_tospace_blocks;
    }



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