This is coming from memory as I won't be in front of the machine
experiencing the issue for another three weeks. Gotta love paternity
leave. :)
From what I recall, if I leave VT-d enabled in the BIOS, I experience
the dom0 crash I had sent earlier as a .gz file. I can verify this at
a later date.
Ideally, I am looking to have the ability to assign the NVidia cards
to the individual domU machines for CUDA development. We want to see
how virtualization affects CUDA performance among other things.
The patch that you provided earlier now allows the machine to boot no
matter what the NX setting is in the BIOS.
Does that help clarify the situation?
Charles
On Sep 21, 2009, at 3:07 PM, "Jeremy Fitzhardinge" <jeremy@xxxxxxxx>
wrote:
Just a final note, I do need to make sure VT-d is disabled in the
BIOS, and then I can boot. This was obviously not addressed in this
patch nor was it requested to be. It would be nice to have it
working
at some point as this machine will hopefully have a bunch of NVidia
cards in it that will need to be dedicated to each of the domU's for
CUDA research.
Just to clarify this a bit:
Are you saying that if you leave VT-d enabled in BIOS something bad
happens? Does it crash?
But ideally you'd like to enable it and have it working to allow
NVidia cards work, which require it?
Thanks,
J
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