Ingo Molnar wrote:
quoted text
> * 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
>   

That config doesn't build for me.  When I put it in place and do "make 
oldconfig" it still asks for lots of config options (which I just set to 
default).  But when I build it fails with:

  CC      arch/x86/kernel/asm-offsets.s
In file included from include2/asm/page.h:40,
                 from include2/asm/pda.h:8,
                 from include2/asm/current.h:19,
                 from include2/asm/processor.h:15,
                 from /home/jeremy/hg/xen/paravirt/linux/include/linux/prefetch.h:14,
                 from /home/jeremy/hg/xen/paravirt/linux/include/linux/list.h:6,
                 from /home/jeremy/hg/xen/paravirt/linux/include/linux/module.h:9,
                 from /home/jeremy/hg/xen/paravirt/linux/include/linux/crypto.h:21,
                 from /home/jeremy/hg/xen/paravirt/linux/arch/x86/kernel/asm-offsets_64.c:7,
                 from /home/jeremy/hg/xen/paravirt/linux/arch/x86/kernel/asm-offsets.c:4:
include2/asm/page_64.h:46:2: error: #error "CONFIG_PHYSICAL_START must be a multiple of 2MB"
make[3]: *** [arch/x86/kernel/asm-offsets.s] Error 1

I can fix that, of course, but it doesn't give me confidence I'm testing 
what you are...

    J
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