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From "Elena Semukhina (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-3010) [drlvm][thread manager] VM crashes with seg fault on the recursive call of a synchronized method
Date Tue, 30 Jan 2007 13:32:33 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-3010?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12468607
] 

Elena Semukhina commented on HARMONY-3010:
------------------------------------------

Pavel,
my last suggestion is to limit stack size with ulimit -s 8192 if it is unlimited on your machine
:). Although the test crashes for me even with unlimited stack size. If this does not help
you to see the crash, I'll investigate this more thouroughly to see where I'm possibly wrong.

> [drlvm][thread manager] VM crashes with seg fault on the recursive call of a synchronized
method
> ------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-3010
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3010
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>            Reporter: Elena Semukhina
>         Attachments: MyStack.java, MyStack2.java
>
>
> The attached test crashes with the following message on Linux SUSE9 ia32:
> SIGSEGV in VM code.
> Stack trace:
>         1: locktable_get_fat_monitor (/nfs/ins/proj/drl/coreapi/esemukhi/svn/drlvm/trunk/vm/thread/src/thread_native_thin_monitor.c:655)
>         2: hythread_thin_monitor_try_enter (/nfs/ins/proj/drl/coreapi/esemukhi/svn/drlvm/trunk/vm/thread/src/thread_native_thin_monitor.c:310)
>         3: IP is 0x416A05BD <native code>
>         4: ?? (??:-1)
> <end of stack trace>
> Segmentation fault
> If to remove the "synchronized" modifier from the "test()" method declaration, the test
passes.
> On SUSE9 Linux em64t the crash does not depend on the "synchronized" modifier: it just
crashes with the wording:
> Segmentation fault
> (see HARMONY-2972)
> The attached test is the slightly modified smoke test stress.Stack.

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