Re: [Xen-devel] Dom0 Hang for large VCPU counts > PCPU

[Keir Fraser <keir@xxxxxxxxxxxxx>]

On 24/1/07 7:28 pm, "Zulauf, John" <john.zulauf@xxxxxxxxx> wrote:

> Clarifying the initial report:
> 
> Host is 2 core (Core 2 Duo/965 chipset) box with VPCU=PCPU for Dom0.
> Issue occurs when attempting to start an HVM DomU with VCPU >= 24 (though we
> haven't checked 21-23 yet).
> The DomU never(apparently) starts, and Dom0 hard hangs. (i.e. not even the
> numlock key works)
> 
> Given that Dom0 hangs hard when this occurs, we don't have any ideas as to the
> exact cause of death.

Sorry, I misread the initial report.

So the HVM guest doesn't get as far as running hvmloader as far as you know?

Do the Xen debug keys work? (requires you to have a serial line connected)

 -- Keir


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