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List:       kde-core-devel
Subject:    Re: Deactivate MALLOC_CHECK_ on x86_64
From:       Raphael Kubo da Costa <kubito () gmail ! com>
Date:       2009-11-13 20:46:32
Message-ID: 200911131846.32245.kubito () gmail ! com
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On Friday 13 November 2009 13:11:57 Alex Fiestas wrote:
> Hi
> Seems that MALLOC_CHECK_ feature of glibc is kind of broken in x86_64,
>  giving false positives. In release mode this has no effect to the user,
>  just when you're running KDE in development mode, MALLOC_CHECK_ will be
>  set at 2, which means that malloc will abort the application when one of
>  that false given errors happen.
> 
> So I suggest to deactivate MALLOC_CHECK_ on 64 bits systems, at least until
>  it gets fixed.
> 
> Some applications that usually crash on my system are:
> - digikam (I'm in digikam sprint right now and I've asked gilles and he
> agrees)
> - kdevelop (I'm with apol here and he's concerned about this issue too).
> 
> Everybody agrees with that?
> 
> *http://techbase.kde.org/Development/malloc_check

Are you sure about it being broken only in x86_64? I'm running x86 and always 
get false positives too. I don't remember mpyne or maelcum perceiving it as a 
64-bit-only problem either.
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