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From "Gregory Shimansky (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-3002) [drlvm] Race condition in leads to VM crash on SMP systems on HARMONY-2386
Date Wed, 24 Jan 2007 11:53:50 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-3002?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12467007

Gregory Shimansky commented on HARMONY-3002:

I've reproduced the crash in 2 different places, but the problem in both cases seems to be
an absent write barrier somewhere in lock reservation/unreservation code.

> [drlvm] Race condition in leads to VM crash on SMP systems on HARMONY-2386
> --------------------------------------------------------------------------
>                 Key: HARMONY-3002
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3002
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: Linux ia32, windows ia32
>            Reporter: Gregory Shimansky
> I am not sure this is a class loader bug, but the crash happens on class loader code
in class_initialize. When running the test in HARMONY-2386 many times in a loop it crashes
after some time. The fat monitor which is used for synchronization in Class::initialize appears
to be uninitialized or corrupted. It could be a thread manager bug or enumeration problem
as well.

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