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xen-devel
[Xen-devel] RE: VT-d issues
> Hi Kamala,
>
> Our nightly testing didn't encounter issue 1) before, but we didn't
test
> on the same machine you attached. Anyway, we will investigate it. And
> also, can you try out adding "hap=0" in your hvm.conf?
Adding "hap=0" to the conf file did not help, unfortunately;
crashes at the same place. Let me know if I can try something else or
get any further info you need to help solve this issue.
Thanks,
Kamala
> For issue 2), I think it's already fixed by c/s 17584.
>
> Randy (Weidong)
>
> Kamala Narasimhan wrote:
> > I tried VT-d pass-through with the latest xen-unstable and encounter
> > the following issue(s) -
> >
> > 1) When I pass through a network adapter (doesn't matter which
kind),
> > while I see the device within guest OS (tested with Vista and XP
> > guest), I encounter a machine reset when the driver for the passed
> > through network adapter is being installed (either through plug and
> > play or by manual installation). I have attached information about
> > the system in question. Has anyone tried pass-through on a system
> > with the exact configuration provided in the attachment (including
> > stepping; Note - network pass-through works on a machine with almost
> > similar configuration except for stepping # difference)? Also,
> > attached is bug check info if that is useful.
> > 2) On a different machine, I encounter a bugcheck similar to the one
> > entered in
http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1244
> > only when I shutdown a domain that pass-through a Intel 82566DM-2
> > network adapter. As the bug report wasn't specific about the device
> > that is passed through when the machine reset happens, thought I
would
> > mention in case this helps narrow down the problem.
> >
> > Thanks,
> > Kamala
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