Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen support

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

Ingo Molnar wrote:
> * Ingo Molnar <mingo@xxxxxxx> wrote:
>
>   
> > * Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:
> >
> >     
> > > Ingo Molnar wrote:
> > >       
> > > > with this config:
> > > >
> > > >   http://redhat.com/~mingo/misc/config-Sun_Jun_29_10_29_11_CEST_2008.bad
> > > >
> > > > i've saved the merged 2.6.26-rc8-tip-00241-gc6c8cb2-dirty tree into  
> > > > tip/tmp.x86.xen-64bit.Sun_Jun_29_10 and pushed it out, so you can test  
> > > > that exact version.
> > > >         
> > > Looks like the setup.c unification missed the early_ioremap init from 
> > > the early_ioremap unification.  Unconditionally call 
> > > early_ioremap_init().
> > >       
> > applied to tip/x86/unify-setup - thanks Jeremy.
> >
> > I've reactived the x86/xen-64bit branch and i'm testing it currently.
> >     
> -tip auto-testing found pagetable corruption (CPA self-test failure):
>
> [   32.956015] CPA self-test:
> [   32.958822]  4k 2048 large 508 gb 0 x 
> 2556[ffff880000000000-ffff88003fe00000] miss 0
> [   32.964000] CPA ffff88001d54e000: bad pte 1d4000e3
> [   32.968000] CPA ffff88001d54e000: unexpected level 2
> [   32.972000] CPA ffff880022c5d000: bad pte 22c000e3
> [   32.976000] CPA ffff880022c5d000: unexpected level 2
> [   32.980000] CPA ffff8800200ce000: bad pte 200000e3
> [   32.984000] CPA ffff8800200ce000: unexpected level 2
> [   32.988000] CPA ffff8800210f0000: bad pte 210000e3
>
> config and full log can be found at:
>
>  http://redhat.com/~mingo/misc/config-Mon_Jun_30_11_11_51_CEST_2008.bad
>   
This config doesn't have CONFIG_DEBUG_KERNEL enabled, let alone 
CONFIG_CPA_DEBUG.  I've noticed this seems to happen quite a lot: 
there's a disconnect between the log file and the config which is 
supposed to have built the kernel.  Is there a bug in your test 
infrastructure?
   J

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