Problem with vmexit on mtrap

Martin Steegmanns martin at steegmanns.net
Tue Aug 19 09:06:50 UTC 2014


On Mon, Aug 18, 2014 at 08:59:28PM -0700, Neel Natu wrote:
> > I wonder if a vmexit caused by the MTF could overlay with another
> > vmexit. With the MTF bit set, I expect the guest system to
> > behave exactly as without the MTF bit. Of course slower due to
> > single stepping :).
> 
> On my Xeon E5-2650 running at 2.0GHz a single vcpu VM is still not at
> the login prompt after 7+ hours with MTRAP enabled.
> 
> However, it is making forward progress and is chugging through the
> /etc/rc startup scripts very slowly.

Thank you! I assumed malfunction because I did no expect it
to be that slow.

Regards,
Martin


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