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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] IOMMU and AMD 890fx
Hi All, I have send a mail to a number of motherboard manufacturers about the IOMMU support in their bioses. At the moment MSI has replied (in Dutch) that the MSI 890FXA-GD70 should support it. But it would be nice if it has user confirmation. I'm thinking about putting a table on the wiki, stating the replies from tech. supports, and a column with user experiences. -- Sander Thursday, June 10, 2010, 9:12:03 AM, you wrote: > Hi! > I ordered a Asus Crosshair Formula IV for testing. Will report next week > if it works. > And I contacted Asrock support again and told them that Asus supports > it. They will give the informations to their bios-team in Taiwan. > Meanwhile there is a very good and active discussion in the forum > http://forums.tweaktown.com/f69/ga-890fxa-ud5-iommu-bios-switch-39801/index7.html > > about boards with 890fx and iommu. > Jens > Am 09.06.2010 22:26, schrieb Wei Huang: >> Hi, >> >> We talked with AMD client managers. They believe all 890FX platforms >> should be capable of supporting IOMMU. There must be mis-communication >> with motherboard vendors. We are in the process of contacting with them. >> Hopefully the vendors will turn on this feature soon. For now, please >> just purchase the motherboards with IOMMU enabled (I think Joerg pointed >> out ASUS at least. I can't verify it myself though.). >> >> Best, >> -Wei >> >> Sander Eikelenboom wrote: >>> So in principle they would like to support it , but they can't / don't >>> know how. >>> Very interested at AMD's answer then, unfortunately Wei Huang seems to >>> be on vacation until June 7th. >>> >>> For what i understood in the past was that AMD's solution would not >>> depend on cpu support (as intel's vt-d does). >>> And with vga passthrough, iommu on the desktop looks like a good use >>> of an iommu in my opinion. >>> -- >>> Sander >>> >>> >>> Thursday, June 3, 2010, 12:51:23 PM, you wrote: >>> >>> >>>> I got this answer from asrock support: >>> >>> >>> >>>> <answer> >>> >>>> So, I get more/final answer from Taiwan department: >>> >>> >>> >>>> For H/W part: >>> >>>> From chipset spec, RD890(890FX) did support IOMMU. >>> >>>> But IOMMU also need CPU to support. Till now, AMD has no plan to support >>> >>>> IOMMU on desktop CPU (AM3 socket). >>> >>>> It only support with server CPU. >>> >>> >>> >>>> For BIOS part: >>> >>>> AMD has removed IOMMU related registers. >>> >>>> So there is no chance to let IOMMU work on our 890FX board unless AMD >>>> can >>> >>>> provide such a process, and registers. >>> >>> >>> >>>> Best regards, >>> >>>> ASRock Support >>> >>>> </answer> >>> >>> >>> >>>> So they say it is AMD's fault. :-( >>> >>> >>> >>>> Regards, >>> >>>> Jens >>> >>> >>> >>> >>> >>> >>> >>>> On Thu, 3 Jun 2010 11:23:10 +0200, Sander Eikelenboom >>> >>>> <linux@xxxxxxxxxxxxxx> wrote: >>> >>>>> Thursday, June 3, 2010, 10:53:29 AM, you wrote: >>> >>> >>>>>> The ASRock 890FX Deluxe3 doesn't support the IOMMU technology too. >>> >>>>>> http://forums.amd.com/forum/messageview.cfm?catid=383&threadid=134410 >>> >>> >>>>>> I'm very disappointed that main board manufacturers don't enable all >>> >>>>>> features for the processor and main board. >>> >>> >>> >>>>>> On Thu, June 3, 2010 10:19 am, Sander Eikelenboom wrote: >>> >>>>>>> Thx for the forum threads, i have changed the wiki about >>>>>>> vt-d/iommu to >>> >>>>>>> reflect these new experiences. >>> >>> >>>>>>> I was hoping AMD would be able to do a better job than Intel, and >>>>>>> have >>> >>>>>>> learned from the BIOS missery Intel has with there VT-d, and >>> >>>>>>> instruct/help >>> >>>>>>> the manafacturers getting their bioses right. >>> >>> >>>>>> I have a feeling that it's not AMD but the main board manufacturers >>>>>> who >>> >>>>>> don't enable IOMMU in the BIOS. (It might be a hidden feature, for >>> >>>> people >>> >>>>>> who want to hack the BIOS at your own risk). >>> >>>>>> http://www.rebelshavenforum.com/sis-bin/ultimatebb.cgi >>> >>> >>>>> Ofcourse you are right, but as chipset manufacturer I would be pretty >>> >>>>> pissed and contact them. >>> >>>>> Also I don't know how hard AMD and Intel make it to implement the >>> >>>> feature >>> >>>>> in the bios. Since most of the time it's or disabled or broken. >>> >>>>> On the other hand, they only support "microsoft windows" and that >>> >>>> doesn't >>> >>>>> do a lot with an IOMMU. So in essence it's an unsupported feature. >>> >>> >>>>> It's too bad though, it seemed to be a very nice virtualization >>> >>>> platform, >>> >>>>> 6 cores, iommu, affordable ... >>> >>> >>>>> Hmm guess i'm going to write every manufacturer if they supported, >>> >>>> and/or >>> >>>>> if there are plans to support it. >>> >>>>> Hopefully one will do it in the end ... >>> >>> >>>>> -- >>> >>>>> Sander >>> >>> >>>>>>> It's a pity that a nice feature isn't supported. No sense in >>>>>>> upgrading >>> >>>>>>> my >>> >>>>>>> setup then to a six core and mobo with IOMMU. :( >>> >>> >>> >>>>>>> -- >>> >>>>>>> Sander >>> >>> >>> >>> >>>>>>>> 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 >>> >>>>>>>> <linux@xxxxxxxxxxxxxx>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@xxxxxxxxxxxxxxxxxxx [mailto: >>> >>>>>>>>> xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Leonardo >>> >>>> Prosperi >>> >>>>>>>>>> Sent: Sunday, May 09, 2010 1:02 PM >>> >>>>>>>>>> To: xen-devel@xxxxxxxxxxxxxxxxxxx >>> >>>>>>>>>> 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@xxxxxxxxxxxxxx >>> >>> >>> >>> >>> >>> >>>>>>> -- >>> >>>>>>> Best regards, >>> >>>>>>> Sander mailto:linux@xxxxxxxxxxxxxx >>> >>> >>> >>>>>>> _______________________________________________ >>> >>>>>>> Xen-devel mailing list >>> >>>>>>> Xen-devel@xxxxxxxxxxxxxxxxxxx >>> >>>>>>> http://lists.xensource.com/xen-devel >>> >>> >>> >>> >> >> -- Best regards, Sander mailto:linux@xxxxxxxxxxxxxx _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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