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From "Alexey Varlamov (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-3649) [drlvm][jit] SPECjbb2005 intermittently fails on EM64T in server mode
Date Tue, 04 Dec 2007 07:16:43 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-3649?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12548157
] 

Alexey Varlamov commented on HARMONY-3649:
------------------------------------------

Evgueni, nice catch! 
I just wonder why you kept copying of the UseSets instead of using references - apparent waste
of resources here.

> [drlvm][jit] SPECjbb2005 intermittently fails on EM64T in server mode
> ---------------------------------------------------------------------
>
>                 Key: HARMONY-3649
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3649
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: EM64T
>            Reporter: George Timoshenko
>            Assignee: Alexey Varlamov
>         Attachments: H3649.patch, H3649.patch, stack
>
>
> The failure is very unstable.
> You can get only 1 failure from 10 runs.
> Or see 3 failures in a row.
> The failure allways looks like a segfault when some new object is being allocated in
STL code. (iterator, new item in a container, just a new std::string...)
> Usually the STL code is being called from execution manager or Jitrino.OPT code. But
the caller's code is OK and does not give any clue.
> the first time the failure was observed is April 4.

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