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From "Elena Semukhina (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-3235) [drlvm][thread manager] smoke test gc.ThreadSuspension hangs from time to time on SUSE9 Linux x86 and x86_64
Date Fri, 09 Mar 2007 08:35:24 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-3235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12479531
] 

Elena Semukhina commented on HARMONY-3235:
------------------------------------------

Today I cannot reproduce the hang of gc.ThreadSuspension on linux x86_64 but see the following
crash instead:

-- starting unsuspendable computation --
-- starting suspendable computation --
forcing gc after 1 s delay
java: /nfs/ins/proj/drl/coreapi/esemukhi/em64/drlvm/trunk/vm/vmcore/src/class_support/C_Interface.cpp:1680:
Method_Signature* method_get_signature(Method*): Assertion `mh' failed.
Fatal error


> [drlvm][thread manager] smoke test gc.ThreadSuspension hangs from time to time on SUSE9
Linux x86 and x86_64
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-3235
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3235
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>            Reporter: Elena Semukhina
>         Attachments: classloader_ExceptionInInitializerTest_x86.txt, gc_ThreadSuspension_fail_x86_64.txt,
gc_ThreadSuspension_pass_x86.txt
>
>
> The test hangs intermittently and should be run in the loop as follows:
>  test=gc.ThreadSuspension; while true; do $DRLVM -cp <calsspath> $test; echo $i
$test; i=$[i+1]; done
> Sometimes the test fails and then hangs:
> -- starting unsuspendable computation --
> -- starting suspendable computation --
> forcing gc after 1 s delay
> FAIL
> gc completed
> Please see stack traces in gc_ThreadSuspension_fail_x86_64.txt attachment for the above
hang on x86_64.
> Sometimes it passes and hangs:
> gc.ThreadSuspension
> -- starting suspendable computation --
> -- starting unsuspendable computation --
> forcing gc after 1 s delay
> gc completed
> PASS
> Please see stack traces in gc_ThreadSuspension_pass_x86.txt attachment for the hang on
x86.

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