From: Christian Tramnitz <chris.ace@gmx.net>
To: xen-devel@lists.xensource.com
Subject: Re: [pvops xen/next ][iommu] attenpt to passthrough PCI-e usb controllor to PV domU: (XEN) traps.c:2309:d1 Domain attempted WRMSR 000000000000008b from 00000a07:00000000 to 00000000:00000000.
Date: Mon, 22 Mar 2010 10:22:16 +0100 [thread overview]
Message-ID: <ho7ctt$76r$1@dough.gmane.org> (raw)
In-Reply-To: <20100322091917.GB1878@reaktio.net>
At 22.03.2010 10:19, Pasi Kärkkäinen wrote:
>
> Yeah, that's what I meant. Ok.
>
> I thought it was also possible to use VT-d for a PV guest? no?
>
> -- Pasi
It is, but this requires iommu=pv as hypervisor boot flag.
With iommu=1 you can see in the hypervisor log that VTd will be disabled
for PV.
Best regards,
Christian
next prev parent reply other threads:[~2010-03-22 9:22 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-21 21:19 [pvops xen/next ][iommu] attenpt to passthrough PCI-e usb controllor to PV domU: (XEN) traps.c:2309:d1 Domain attempted WRMSR 000000000000008b from 00000a07:00000000 to 00000000:00000000 Sander Eikelenboom
2010-03-22 8:04 ` Han, Weidong
2010-03-22 9:04 ` Pasi Kärkkäinen
2010-03-22 9:13 ` Weidong Han
2010-03-22 9:19 ` Pasi Kärkkäinen
2010-03-22 9:22 ` Christian Tramnitz [this message]
2010-03-22 9:55 ` Pasi Kärkkäinen
2010-03-22 9:25 ` Weidong Han
2010-03-22 9:29 ` Pasi Kärkkäinen
2010-03-22 9:32 ` Weidong Han
2010-03-22 9:30 ` Sander Eikelenboom
2010-03-22 10:15 ` Sander Eikelenboom
2010-03-22 10:58 ` Jan Beulich
2010-03-22 13:14 ` Re: [pvops xen/next ] attenpt to passthrough PCI-e usb controllor to PV domU Sander Eikelenboom
2010-03-22 19:12 ` [pvops xen/next ][iommu] attenpt to passthrough PCI-e usb controllor to PV domU: (XEN) traps.c:2309:d1 Domain attempted WRMSR 000000000000008b from 00000a07:00000000 to 00000000:00000000 Konrad Rzeszutek Wilk
2010-03-22 20:35 ` [pvops xen/next ][iommu] attenpt to passthrough PCI-e usb controllor to PV domU SUCCESS :-) Sander Eikelenboom
2010-03-22 20:30 ` Konrad Rzeszutek Wilk
2010-03-22 20:49 ` Pasi Kärkkäinen
2010-03-22 21:23 ` Sander Eikelenboom
2010-03-22 21:26 ` Pasi Kärkkäinen
2010-03-22 21:12 ` Konrad Rzeszutek Wilk
2010-03-23 7:05 ` Pasi Kärkkäinen
2010-03-23 10:16 ` Jan Beulich
2010-03-23 10:23 ` Sander Eikelenboom
2010-03-23 11:23 ` Jan Beulich
2010-03-23 11:24 ` Pasi Kärkkäinen
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