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

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 03.08.12 at 15:30, Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx> wrote:
>> > > > Note it is is 0xffffffffc30b4000 - so already past the
>> > > > level2_kernel_pgt (L3[510]
>> > > > and in level2_fixmap_pgt territory (L3[511]).
>> > > > 
>> > > > At that stage we are still operating using the Xen provided
>> > > > pagetable - which look to have the L4[511][511] empty! Which
>> > > > sounds to me like a Xen tool-stack problem? Jan, have you seen
>> > > > something similar to this?
>> > > 
>> > > No we haven't, but I also don't think anyone tried to create as
>> > > big a DomU. I was, however, under the impression that DomU-s
>> > > this big had been created at Oracle before. Or was that only up
>> > > to 256Gb perhaps?
>> > 
>> > Mukesh do you recall? Was it with OVM2.2.2 which was 3.4 based?
>> > It might be that we did not have the 1TB hardware at that time yet.
>> 
>> Yes, in ovm2.x, I debugged/booted upto 500GB domU. So something
>> got broken after it looks like. I can debug later if it becomes hot. 
> 
> I got the kernel part fixed but its the toolstack that got bugs in it.

So did you try the suggested fix? Or are you waiting for me to
put this in patch form?

Jan

> If you recall - where there any patches in the toolstack for this or
> did you just concentrate on the kernel?
> Thanks!




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