Re: [Xen-devel] Re: BUG with Xen 4.0.1 and PVOPS 2.6.32.21 / acpi_ex_system_memory_space_handler

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Mon, Sep 06, 2010 at 01:09:57PM +0300, Pasi Kärkkäinen wrote:
> On Mon, Sep 06, 2010 at 12:05:01PM +0200, Carsten Schiers wrote:
> >    Hi,
> > 
> >    I did setup a new testing system for Xen/Pvops. It's an Asrock P5B-DE 
> > with
> >    E2200 CPU.
> >    I installed Debian Lenny 5.0.5 64 Bit and compiled Xen 4.0.1 according to
> >    Pasi's Xen4
> >    XenWiki page, fetched latest 2.6.32 pvops Kernel according to the PvOps
> >    XenWiki
> >    page, which was a 2.6.32.18 and is now a 2.6.32.21.
> > 
> >    I managed to set up serial debugging, so that I can provide the attached
> >    logs. If you need
> >    more, let me know.
> > 
> >    I sent this already to Jeremy, but Pasi recommended to send it to
> >    Xen-Devel also. Jeremy,
> >    sorry, I mixed numbers a bit. We are speaking about 2.6.32 (xen/stable, I
> >    guess).
> > 
> 
> Yeah, _looks_ like something that should be easy to sort out.
> Did you take a look at that code from the kernel source? 

This looks vagualy familiar. 

(XEN) mm.c:860:d0 Error getting mfn 80000 (pfn 5555555555555555) from L1 entry 
8000000080000473 for l1e_owner=0, pg_owner=32753^M

If I remember right there was a similar issue where the DSDT had instructions to
poke at the IOAPIC or the northbridge. If you can perhaps follow (under 
baremetal?)
what is under MFN/PFN 80000 it might help.

Or maybe the kernel just failed to setup an ioremap.

> 
> -- Pasi
> 
> 
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