Re: [Xen-devel] RE: [Xen-changelog] [PAE] Allow pgdirs above 4GB for paravirt guests.

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 27 May 2006, at 17:23, Nakajima, Jun wrote:

> With that patch, it hangs like that:
>
> Loading scsi_mod.ko module
> (XEN)
>
> I don't see anything after (XEN).
>
> A quick debugging tells me that one processor is waiting at
> smp_call_function and the other one has a bogus CR3, i.e. all four PDPT
> entries are 0. I'll take a look later today if I have time.
I haven't yet reproduced this, but that may be because I've just found 
that SMP boot for domain0 without CONFIG_HOTPLUG_CPU is broken (I end 
up booting domain0 with a single processor, which isn't the behaviour 
we used to have). I'll fix that regression first and then when I have 
SMP domain0 hopefully I'll be able to repro the bug.
 -- Keir


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