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

Ingo Molnar wrote:
* Ingo Molnar <mingo@xxxxxxx> wrote:

* Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:

Ingo Molnar wrote:
with this config:


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:


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/list.h:6,
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...


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