From: ewheeler <kvm@ew.ewheeler.org>
To: Avi Kivity <avi@redhat.com>
Cc: kvm@vger.kernel.org, Chris Wright <chrisw@redhat.com>
Subject: Re: KVM + VTd on a DX58SO reports No IOMMU found.
Date: Tue, 29 Jun 2010 07:53:01 -0700 [thread overview]
Message-ID: <1277823181.2736.1.camel@geektop> (raw)
In-Reply-To: <4C2A07DC.8010202@redhat.com>
On Tue, 2010-06-29 at 17:49 +0300, Avi Kivity wrote:
> On 06/29/2010 05:11 PM, ewheeler wrote:
> > On Tue, 2010-06-29 at 12:42 +0300, Avi Kivity wrote:
> >
> >> On 06/29/2010 07:49 AM, ewheeler wrote:
> >>
> >>> KVM reports that I
> >>> do not have an IOMMU, however, dmesg reports both DMAR and IOMMU. In
> >>> addition, I know that this board supports VT-d.
> >>>
> >>> Specific details are available here:
> >>> http://pastebin.com/dp1tb5bf
> >>>
> >> Does your kernel .config actually include iommu support?
>
> CONFIG_DMAR.
>
/boot/config-2.6.35-6-server:# CONFIG_DMAR is not set
Sure enough, it is disabled. I'll build my own and see what happens.
Thanks!
-Eric
prev parent reply other threads:[~2010-06-29 14:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-29 4:49 KVM + VTd on a DX58SO reports No IOMMU found ewheeler
2010-06-29 9:42 ` Avi Kivity
2010-06-29 14:11 ` ewheeler
2010-06-29 14:49 ` Avi Kivity
2010-06-29 14:53 ` ewheeler [this message]
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