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Re: Bug#708070: enable x32 support for the amd64 kernels



On Sat, 2014-07-26 at 21:05 +0100, Robert de Bath wrote:
> On Sat, 26 Jul 2014, Ben Hutchings wrote:
> 
> > On Sat, 2014-07-26 at 10:52 +0100, Robert de Bath wrote:
> >> On Fri, 25 Jul 2014, Robert de Bath wrote:
> >>
> >>> On Fri, 25 Jul 2014, Ben Hutchings wrote:
> >>>
> > What do you mean, reinstate?  This is the same behaviour you get at
> > present.  Well, here's a new version that might do that.
> I was sure ... hmmm, segfault? ... Oh I see.
> 
> I'd copied the (static) exe to a wheezy (3.2 kernel) machine; that's
> where it gives a 'cannot execute' error.

Linux 3.2 predates addition of x32 support.

> I suppose that means it's an upstream 'bug'.

Yes, I would say so.

> Okay, the new patch is good for me. I've again tried it with the flag
> both ways. It runs the executables correctly when the flag is set and
> gives a reasonably nice (and quite specific) error when it's not. ("Exec
> format error")
> 
> I also have a i386 userspace running happily.
> 
> I'd say it's good to go.

Great!

But I should maybe add the config option you suggested, so people can
build custom kernels from Debian source that won't need this parameter.

Ben.

-- 
Ben Hutchings
The generation of random numbers is too important to be left to chance.
                                                            - Robert Coveyou

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