[uml-devel] Re: 2.6.14-bs1

[Blaisorblade <blaisorblade@yahoo.it>]

On Friday 11 November 2005 21:49, Antoine Martin wrote:
> > However, I just remembered I have an Ubuntu with GCC 4.0... so I could
> > test the thing.

> Or you could use a gentoo chroot. (if you leave it to build overnight..)
I have Gentoo installed, no problem... it's that actually they don't support 
4.0 yet and I agree with them.

However, I _did_ test with that GCC and things work ok. So it's definitely the 
hardening patches.

However, I _can_ test them:

gentoo # gcc-config -l
 [1] x86_64-pc-linux-gnu-3.4.4 *
 [2] x86_64-pc-linux-gnu-3.4.4-hardened
 [3] x86_64-pc-linux-gnu-3.4.4-hardenednopie
 [4] x86_64-pc-linux-gnu-3.4.4-hardenednopiessp
 [5] x86_64-pc-linux-gnu-3.4.4-hardenednossp

I will test the whole thing tomorrow.

> > > I've had quite a few problems with 2.6.14 not booting on 2.6.13 and
> > > 2.6.14 hosts. (errors have been reported by other users - unfortunately
> > > the strace isn't very useful)
> >
> > I've not looked deeply at the strace, but I don't see anything much
> > clear.
> >
> > Also, I suppose the problem is with SKAS0 and no regression is seen in
> > other modes.
> >
> > However, given that you're having this compilation problem (caused by
> > uml-fix-misassembling-skas0-stub-segv, which you can unapply for
> > testing),
>
> I tried removing this patch (and its sibling ^segv^) but patch -R moaned
> at me, 

Strange - the proper order is remove "-segv" and then (if needed but it 
shouldn't) remove the other - the proper patch order is documented in the 
"series" file.

Indeed, I missed that you should also remove (first)
patches/uml-fix-64compile-misassembling-skas0-stub-segv

Using quilt makes that fast, however:

*) untar the broken-out tarball

*) mv the directory to "patches

*) $ quilt pop patches/uml-fix-misassembling-skas0-stub-segv

*) (comment the patch out in patches/series)

*) $ quilt push bs-extraversion-bs1 (or quilt push -a, should be the same).

> and after unmerging it by hand I still got the same error so I 
> gave up (for now anyway)

-- 
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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