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

[Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx>]

> > > > 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.
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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