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From "Chunrong Lai (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-6022) [drlvm][gc] (irreproducible) assertion failure in semi-space GC
Date Tue, 18 Nov 2008 04:05:44 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-6022?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chunrong Lai updated HARMONY-6022:
----------------------------------

    Attachment: index.html

> [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
>         Attachments: index.html
>
>
>  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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