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From "Pavel Afremov (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-2972) [drlvm][smoke] stress.Stack causes segmentation fault on SUSE9 linux em64t
Date Thu, 27 Sep 2007 16:25:51 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-2972?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Pavel Afremov updated HARMONY-2972:

    Attachment: 0001-Fix-bug-in-stack-check-function.patch

The source of the second bug was masked by bug in VM function check_stack_size_enough_for_exception_catch.

Function check_stack_size_enough_for_exception_catch(void * sp) returns true instead false
in the case when sp is smaller guard page address. Source of the bug was in incorrect signed
/ usigned transforms. This patch fixes it.

Main source of the bug is the same, "insufficient stack size for first catch block for SOE".

> [drlvm][smoke] stress.Stack causes segmentation fault on SUSE9 linux em64t
> --------------------------------------------------------------------------
>                 Key: HARMONY-2972
>                 URL: https://issues.apache.org/jira/browse/HARMONY-2972
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>            Reporter: Elena Semukhina
>         Attachments: 0001-Fix-bug-in-stack-check-function.patch
> The test is excluded from the "build test" runs on linux em64t JIT mode because it fails
as follows:
> 1
> 2
> ....
> 286647
> 286648
> not enough reserved space for roots
> log4cxx: No appender could be found for logger (port.old).
> log4cxx: Please initialize the log4cxx system properly.
> Segmentation fault
> The test is very simple and just nvokes a method recursively and normally should get
StackOverflowError. The printed values are iteration numbers.
> The test is also excluded on this platform for the interpreter mode for some reason but
it passes for me.

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