From mint-bounce@lists.fishpool.fi  Thu Feb 19 14:34:08 2009
Message-ID: <499DB360.4050103@atari-source.org>
Date: Thu, 19 Feb 2009 14:30:40 -0500
From: Mark Duckworth <mduckworth@atari-source.org>
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To: Petr Stehlik <pstehlik@sophics.cz>
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        mint <mint@fishpool.com>
Subject: Re: [MiNT] malloc bug
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Petr Stehlik wrote:
> Vincent Rivière píše v Čt 19. 02. 2009 v 15:11 +0100:
>   
>> Mark Duckworth wrote:
>>     
>>> This is on aranym but it will happen on my CT60 too in a similar 
>>> manner.  Right now I am getting whole system freeze after a big compile 
>>> which isn't looking good.
>>>       
>> You could try ARAnyM MMU instead of JIT in order to see what happens?
>>     
>
> That's what I've been suggesting last time Mark reported problems. The
> JIT is really fast but is also very fragile. Any wild pointer or memory
> overflow can (and will) cause serious problems that only the host memory
> protection can catch (and that is usually too late).
>
> If you want a real stable sandbox then go for standard ARAnyM (non-JIT)
> which should never be killed by a program running inside it - and if
> you'd like real memory protection against stack overflows then let
> FreeMiNT handle memory errors - run it under aranym-mmu and enable the
> memory protection in FreeMiNT.
>
> Petr
>
>   
No such luck.  I checked the docs.  Am I missing something?  This is a 
CVS mint aranym kernel under 0.9.7beta MMU.  It boots fine without 
enabling memory protection.

http://aoi.atari-source.org/~mduckworth/crashola.png

Thanks,
Mark