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Re: amd64 as default architecture

On Tue, May 22, 2012 at 09:18:21PM +0200, Sven Joachim wrote:
> On 2012-05-22 20:40 +0200, Simon McVittie wrote:
> > On 22/05/12 19:24, Sven Joachim wrote:
> >
> >> and anything that uses libx86 won't work either (#492470).
> >
> > Is this the right bug? According to the reporter's reportbug System
> > Information, he's running libx86/i386 on one of the i386 kernel
> > flavours,
> Oh, indeed.
> > and I don't see any indication that amd64 is involved at all.
> The lrmi backend uses vm86 mode which is not supported under an x86_64
> kernel.
So the x86emu backend should be built too if there are any 64-bit
systems that need libx86 - and maybe for other reasons as well.
That's not a big deal, though, surely?

By the way, lack of VM86 mode under Long Mode is a restriction of the
AMD64 architecture definition and not a kernel limitation.


Ben Hutchings
We get into the habit of living before acquiring the habit of thinking.
                                                              - Albert Camus

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