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From "Salikh Zakirov (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-3044) [drlvm][thread manager] smoke test gc.LOS hangs from time to time on SUSE9 Linux x86 and x86_64
Date Mon, 19 Feb 2007 14:38:05 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-3044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12474186
] 

Salikh Zakirov commented on HARMONY-3044:
-----------------------------------------

I've managed to reproduce deadlock on the 167th iteration of running gc.LOS.
However, the process died when I tried to attach a debugger, so I couldn't look closely what
was the cause of the deadlock.

Anyway, I will run the same loop with the fix and see if it will hang in a long run.

> [drlvm][thread manager] smoke test gc.LOS hangs from time to time on SUSE9 Linux x86
and x86_64
> -----------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-3044
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3044
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>            Reporter: Elena Semukhina
>         Attachments: x86_64_info_thr.txt
>
>
> I saw the hangs on 2xXeon machines in JIT mode.
> To reproduce the hang please run the test iteratively as follows:
> while true; do $DRLVM -cp <classpath> gc.LOS; echo $i; i=$[i+1]; done &
> It usually needs no more than 100 iterations to hang.

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