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Re: [Xen-devel] 2.6.38 PV Guest boot failure - error while pinning mfn..

To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Subject: Re: [Xen-devel] 2.6.38 PV Guest boot failure - error while pinning mfn..
From: Shriram Rajagopalan <rshriram@xxxxxxxxx>
Date: Sun, 20 Mar 2011 14:05:30 -0700
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On Sun, Mar 20, 2011 at 1:45 PM, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote:
On Sun, Mar 20, 2011 at 04:05:43PM -0400, Konrad Rzeszutek Wilk wrote:
> On Sat, Mar 19, 2011 at 06:22:17PM -0700, Shriram Rajagopalan wrote:
> > The kernel is built from konrad's tree, devel/next-2.6.39
> > commit:f4ddaaf4338999227b3f724615d8aecbe88d3f04

Ok. So you got Stefano's latest goodies:

* devel/bootup-fixes.v3:
     watchdog, SP5100: Check if firmware has set correct value in tcobase.
     xen: update mask_rw_pte after kernel page tables init changes
     xen: set max_pfn_mapped to the last pfn mapped
     x86: Cleanup highmap after brk is concluded

> >
> > 64 bit PV guest, 64 bit dom0, xen 4.1.0-rc7-pre

Is the 64-bit dom0 kernel == 64-bit domu kernel?
no. dom0 is 2.6.32.27 (from xenbits pvops tree).

> > I have not been able to boot a pv domU, with the above kernel.
>
> You might need this git commit:
> 31fd38842ab07b95440f24c6180d9a2c14b35111
>
> tc/cmos: Check if ACPI is disabled, and if so don't attempt
>
> If you pull my tree, you should be able to cherrypick.

Did that. No use. Still same error.
FYI, this throws a warning
linux-2.6/drivers/rtc/rtc-cmos.c:1000: warning: ‘return’ with no value, in function returning non-void
 
Also do 'earlyprintk=xenboot' in your PV guest and see what it tells you
(if anything).

No extra messages in xen's log.

shriram
>
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