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Re: FC6 x86_64: Trying to debug Transgaming/wineHQ wine



On Thu, 2007-02-08 at 08:44 +0000, Kevin Kofler wrote:
> Sean Bruno <sean.bruno <at> dsl-only.net> writes:
> > What is the relationship between 'Execshield hardware NX/XD bit support'
> > and a x86_64 version of linux?  I'm not sure I followed your statement,
> > but I would like to know more.
> 
> The NX/XD bit is only supported if you have both:
> * an x86_64 or i686 PAE kernel (not a regular i686 one),
> * a CPU which supports that bit, most of which are 64-bit.
> 
> As to why only Fedora, Fedora has kernel patches (ExecShield), which might 
> change how the bit is used, though I'm not sure about that. (Apparently, some 
> hardware NX/XD support is in the upstream kernel, just not approximation by the 
> code segment limit on non-NX/XD-enabled x86.) Another reason may be that other 
> distributions ship older kernels than Fedora does (which might also explain why 
> it works on FC5).
> 
> But it might not be an NX/XD issue at all, as I said, it's just a wild guess.
> 
>         Kevin Kofler
> 
Thanks for the explanation.  If I wanted to test this, would I just grab
2.6.19 or .20 from kernel.org and compile/install it using my fedora
kernel config?

Sean


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