Re: [Xen-devel] Ping: Re: [PATCH] Boot PV guests with more than 128GB (v2) for 3.7

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 06.09.12 at 23:03, Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx> wrote:
> On Mon, Sep 03, 2012 at 07:33:24AM +0100, Jan Beulich wrote:
>> >>> On 13.08.12 at 09:54, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:
>> >>>> On 03.08.12 at 16:46, Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx> wrote:
>> >> Didn't get to it yet. Sorry for top posting. If you have a patch ready I
>> >> can test it on Monday - travelling now.
>> > 
>> > So here's what I was thinking of (compile tested only).
>> 
>> Obviously, if this works, I'd like to see this included in 4.2 (and
>> 4.1-testing).
> 
> No luck. I still get:
> 
> (XEN) Pagetable walk from ffff8800443da070:
> (XEN)  L4[0x110] = 0000009342f95067 0000000000001a0c
> (XEN)  L3[0x001] = 0000000000000000 ffffffffffffffff

And I can't see why. I wasn't able to track down the original
stack trace you saw on the archives - was that identical to
this one (i.e. nothing changed at all)? If so (please forgive
that I'm asking, I just know that I happen to fall into this trap
once in a while myself), did you indeed build and install the
patched tools? In that case, adding some logging to the code
in question is presumably the only alternative, short of
anyone else seeing anything further wrong with that code.

Jan


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