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From "Peter Novodvorsky (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-4279) [drlvm][thread] DRLVM hangs in shutdown
Date Mon, 25 Jun 2007 16:00:37 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-4279?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Peter Novodvorsky updated HARMONY-4279:

    Attachment: ThrSuspTest.java

attached test shows the problem very well.

> [drlvm][thread] DRLVM hangs in shutdown
> ---------------------------------------
>                 Key: HARMONY-4279
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4279
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM, VM
>         Environment: all platforms
>            Reporter: Peter Novodvorsky
>         Attachments: ThrSuspTest.java
> drlvm often hangs in shutdown if the test workload is running daemon threads that don't
get into safepoints often. This happens because DRLVM often kills daemon these daemon threads
while they are holding important locks (see vm_shutdown.cpp, vm waits for daemon threads to
shutdown and if they don't shutdown in time, they are killed).  After that we try to detach
the main thread, and can't get through about phantom locked locks.

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