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From "Mikhail Fursov (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-3993) [drlvm][jit] Enumeration error when running Dacapo lusearch
Date Tue, 05 Jun 2007 07:38:26 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-3993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12501475

Mikhail Fursov commented on HARMONY-3993:

With a current build the crach is not reproducible in my environment.
I can reproduce it with r522129 with gc_gen only (a hour with gc_cc testing did not show any

Applying patches I found that the problem is not reproduced after this commit:

"[r542523] HAEMONY-3941: [drlvm][gc_gen] EUT suite &#39;ui&#39; crashes during stress
test execution when gc_gen is used with Out of Memory. This patch
gives a fix in two folds: to reserve more space in MOS when LOS
extension; to slide-compact LOS during los_alloc failure. This patch
also enhances the GC verifier to catch the corner case bug."

if the problem is not reproduced in your environment I suggest closing the issue.

> [drlvm][jit] Enumeration error when running Dacapo lusearch
> -----------------------------------------------------------
>                 Key: HARMONY-3993
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3993
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: Win32, debug version
>            Reporter: Qi Ji
> I found the vm reports assertion failure when doing enumeration recently. 
> To reproduce the bug easily, you can check out revision 542129 to get the code that is
easy to reproduce the bug. Change one line of code in gc_common.cpp (line:49) to permit a
16MB minimal heap size, which helps to reproduce the bug:
> - POINTER_SIZE_INT min_heap_size_bytes = 32 * MB;
> +POINTER_SIZE_INT min_heap_size_bytes = 16 * MB;
> and use the following command line:
> java.exe -Xms16m -Xmx16m -cp . -s large lusearch

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