Re: [uml-devel] What's different about building for x86-64?

[Blaisorblade <blaisorblade@yahoo.it>]

On Friday 04 November 2005 16:38, Rob Landley wrote:
> On Friday 04 November 2005 10:04, Jeff Dike wrote:
> > On Fri, Nov 04, 2005 at 08:07:03AM -0600, Rob Landley wrote:
> > > My build is basically extracting the 2.6.14 tarball, adding the
> > > squashfs patch, and then doing this:
> > >
> > > make ARCH=um O=../linux-build allnoconfig &&
> >
> > I would start with a make defconfig.  This smacks of a mangled
> > configuration.

> Actually, he turned out to be using an older version of my firmware linux
> build script (the one with the 2.6.13.2 kernel, from the website), and the
> problem he was seeing is that building on an x86-64 machine in 32 bit
> emulation mode gets confused.

> Once he started building in 64 bit mode, he got past that, but then hit the
> 3 level page tables leak from 2.6.13 shortly thereafter.

Don't you know that I maintain a kernel tree exactly for this purpose?

The fix is included starting from 2.6.13-bs1. And I've even merged it upstream 
in -stable (even if it was merged in .4 only).

> I sent him a new 
> build script using 2.6.14 and still am waiting to hear back...

-- 
Inform me of my mistakes, so I can keep imitating Homer Simpson's "Doh!".
Paolo Giarrusso, aka Blaisorblade (Skype ID "PaoloGiarrusso", ICQ 215621894)
http://www.user-mode-linux.org/~blaisorblade


		
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