[lfs-support] compile 4.17.7 32 bit

Douglas R. Reno renodr2002 at gmail.com
Tue Jul 17 20:42:10 PDT 2018


On Tue, Jul 17, 2018, 10:40 PM Ken Moffat <zarniwhoop at ntlworld.com> wrote:

> On Wed, Jul 18, 2018 at 04:31:47AM +0100, Ken Moffat wrote:
> > > I used a Core2Duo for about 6 years.  It is a native x86_64 system,
> but can
> > > run 32-bit kernels and thus 32-bit systems.
> > >
> > No idea what the bug on x86_64 is, I'm behind on reading lkml, but I
> > think it is likely that 'i386' might mean 'on x86 machines running
> > as 32-bit'.
> >
> > And apparently there is a one patch revision for 4.17.8 due on
> > Thursday, no idea if it might help or not:
> >
> > https://lkml.org/lkml/2018/7/17/443
> >
> >  and
> >
> > https://lkml.org/lkml/2018/7/17/505
> >
> It *does* affect all 32-bit x86 :
>
> https://lkml.org/lkml/2018/7/16/809
>
> > Qemu test results:
> >       total: 171 pass: 159 fail: 12
> > Failed tests:
> >       i386:Broadwell:q35:defconfig:smp:rootfs
> >       i386:Skylake-Client:q35:defconfig:smp:rootfs
> >       i386:SandyBridge:q35:defconfig:smp:rootfs
> >       i386:Haswell:pc:defconfig:smp:rootfs
> >       i386:Nehalem:q35:defconfig:smp:rootfs
> >       i386:phenom:pc:defconfig:smp:rootfs
> >       i386:Opteron_G5:q35:defconfig:smp:initrd
> >       i386:Westmere:q35:defconfig:smp:initrd
> >       i386:core2duo:q35:defconfig:nosmp:rootfs
> >       i386:Conroe:pc:defconfig:nosmp:rootfs
> >       i386:Opteron_G1:pc:defconfig:nosmp:initrd
> >       i386:n270:q35:defconfig:nosmp:rootfs
> >
> > All 32-bit i386 boot tests crash.
>
> And the reply was that the known fix is not yet in Linus's tree, so
> it can't be applied to stable until Linus commits it.
>
> So the one patch in 4.17.8-rc won't help 32-bit.
>
> ĸen
> --
>               Keyboard not found, Press F1 to continue
>

Guys,

Heads up, this is affecting sporadic x86_64 PCs too. A sizable chunk of my
64bit machines refuse to boot with 4.17.7 and even a few 32bit ones with
4.17.6. There is obviously something wrong here that needs fixing.

>
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