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 07:11:17 -0700 [thread overview]
Message-ID: <1277820677.19284.1.camel@geektop> (raw)
In-Reply-To: <4C29BFF2.3030501@redhat.com>
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?
>
Is it a config other than any of these? Which one supports VT-d?
root@ubuntu:/boot# grep IOMMU config-2.6.35-6-server
CONFIG_GART_IOMMU=y
CONFIG_CALGARY_IOMMU=y
CONFIG_CALGARY_IOMMU_ENABLED_BY_DEFAULT=y
CONFIG_AMD_IOMMU=y
CONFIG_AMD_IOMMU_STATS=y
CONFIG_IOMMU_HELPER=y
CONFIG_IOMMU_API=y
# CONFIG_IOMMU_DEBUG is not set
# CONFIG_IOMMU_STRESS is not set
-Eric
next prev parent reply other threads:[~2010-06-29 14:11 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 [this message]
2010-06-29 14:49 ` Avi Kivity
2010-06-29 14:53 ` ewheeler
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