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

Ingo Molnar
2008-06-30T09:24:40Z

* Ingo Molnar <mingo@elte.hu> wrote:

>
> * Jeremy Fitzhardinge <jeremy@goop.org> 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
http://redhat.com/~mingo/misc/log-Mon_Jun_30_11_11_51_CEST_2008.bad

i've pushed that tree out into tip/tmp.xen-64bit.Mon_Jun_30_11_11. The
only new item in that tree over a well-tested base is x86/xen-64bit, so
i've taken it out again.

Ingo