From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leonardo Prosperi Subject: Re: IOMMU and AMD 890fx Date: Wed, 2 Jun 2010 21:07:30 -0700 Message-ID: References: <3399D2269986104B959D31B7E919313C06E2BD8E@SAUSEXMBP01.amd.com> <4410545273.20100510083852@eikelenboom.it> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1521672850==" Return-path: In-Reply-To: <4410545273.20100510083852@eikelenboom.it> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Sander Eikelenboom Cc: "Huang2, Wei" , "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org --===============1521672850== Content-Type: multipart/alternative; boundary=00c09f923262928a95048818598c --00c09f923262928a95048818598c Content-Type: text/plain; charset=ISO-8859-1 Gigabyte motherboards don't support IOMMU: http://forums.tweaktown.com/f69/ga-890fxa-ud5-iommu-bios-switch-39801/ MSI boards have the same problems: http://comments.gmane.org/gmane.comp.emulators.xen.user/58630 ASUS Crosshair IV Formula has IOMMU, but I cannot find if it works with Xen. On Sun, May 9, 2010 at 11:38 PM, Sander Eikelenboom wrote: > Hello Wei, > > I hope motherboard manufacturers do a better job with supporting this iommu > in the bios than they did with intel's. Especially Asus made a mess of it, > and hasn't fixed it in newer bioses for multiple motherboards. > And since all motherboard reviews don't mention nor test the iommu it's > hard to know upfront if it's supported :-( > > -- > > Sander > > > Leonardo, > > > I can confirm that AMD 890FX supports IOMMU v1.22. It was briefly > mentioned by external sites, such as > http://techreport.com/articles.x/18825. It looks like Asus, Gigabyte and > MSI will ship motherboards with 890FX chipset. Xen 4.0 fully supports AMD > IOMMU v1.2. Note that IOMMU needs support from BIOS (ACPI IVRS table). > Please pay a bit attention to this area. > > > -Wei > > > From: xen-devel-bounces@lists.xensource.com [mailto: > xen-devel-bounces@lists.xensource.com] On Behalf Of Leonardo Prosperi > > Sent: Sunday, May 09, 2010 1:02 PM > > To: xen-devel@lists.xensource.com > > Subject: [Xen-devel] IOMMU and AMD 890fx > > > > Hi, > > All the reviews for the AMD 890fx chipset reported that it supports IOMMU > v1.2. > > But I cannot find any mention of that on AMD site. > > > Does 890fx support IOMMU? > > Do 890fx motherboards with IOMMU exist? > > Does Xen support 890fx? > > > Regards, > > Leonardo > > > > > -- > Best regards, > Sander mailto:linux@eikelenboom.it > > --00c09f923262928a95048818598c Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Gigabyte motherboards don't support IOMMU:
http://forums.twe= aktown.com/f69/ga-890fxa-ud5-iommu-bios-switch-39801/

MSI boards= have the same problems:
h= ttp://comments.gmane.org/gmane.comp.emulators.xen.user/58630

ASU= S Crosshair IV Formula has IOMMU, but I cannot find if it works with Xen.



On Sun, May 9, 2010 at 11:38 PM,= Sander Eikelenboom <linux@eikelenboom.it> wrote:
Hello Wei,

I hope motherboard manufacturers do a better job with supporting this iommu= in the bios than they did with intel's. Especially Asus made a mess of= it, and hasn't fixed it in newer bioses for multiple motherboards.
And since all motherboard reviews don't mention nor test the iommu it&#= 39;s hard to know upfront if it's supported :-(

--

Sander

> Leonardo,

> I can confirm that AMD 890FX supports IOMMU v1.22. It was briefly ment= ioned by external sites, such as http://techreport.com/articles.x/18825. It l= ooks like Asus, Gigabyte and MSI will ship motherboards with 890FX chipset.= Xen 4.0 fully supports AMD IOMMU v1.2. Note that IOMMU needs support from = BIOS (ACPI IVRS table). Please pay a bit attention to this area.

> -Wei

> From: xen-dev= el-bounces@lists.xensource.com [mailto:xen-devel-bounces@lists.xensource.com] On Beha= lf Of Leonardo Prosperi
> Sent: Sunday, May 09, 2010 1:02 PM
> To: xen-devel@lists.x= ensource.com
> Subject: [Xen-devel] IOMMU and AMD 890fx


> Hi,
> All the reviews for the AMD 890fx chipset reported that it supports IO= MMU v1.2.
> But I cannot find any mention of that on AMD site.

> Does 890fx support IOMMU?
> Do 890fx motherboards with IOMMU exist?
> Does Xen support 890fx?

> Regards,
> Leonardo




--
Best regards,
=A0Sander =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0mailto:linux@eikelenboom.it


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